Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturday — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Bob Alderink, Head of Exhibit Hall Experiences, strikes two aluminum-covered objects together to generate sparks.

Join us for an entertaining half hour of science experiments and demonstrations. Day-to-day topics vary but often include physics and chemistry demonstrations on inertia, buoyancy and electromagnetism. Enjoy natural science topics such as the incredible composition of beaver teeth or the amazing design and strength of birds’ eggs.

This walk-up program is offered:

  • Wednesdays — 1:30pm (Starting January 3, 2024)
  • Fridays — 1:30pm
  • Saturdays — 2pm
  • Saturdays — 3pm

Location: Windows on the World on the 3rd floor of the Nature Exploration Center.

Designed for ages 7 and up. No registration required.


Natural Sciences Classroom blue dino

How do bears catch fish? They use their bear hands! What is a bear’s favorite dessert? Blue-beary pie! Okay, okay … enough with the jokes. Bear with us as we celebrate November with a focus on bears! We’ll learn about bear cubs, bear myths and the bears in our back yard!

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Natural Science Classroom occurs on Zoom once a month September-May. We recommend this program for ages 8 and up, but all ages are welcome. Parents and teachers are invited to participate with their children or students.

Natural Sciences Classroom blue dino

Have you ever examined a drop of pondwater under a microscope? This droplet contains a variety of living creatures, including protists. Protists are not an animal, plant, or fungi…so what exactly are they? Using a compound microscope, we will zoom in and explore the magical world of protists!

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Natural Science Classroom occurs on Zoom once a month September-May. We recommend this program for ages 8 and up, but all ages are welcome. Parents and teachers are invited to participate with their children or students.

Natural Sciences Classroom blue dino

Join us to learn the basics of turtle biology, with a special focus on sea turtles! We’ll see why they are important, how climate change is affecting turtles around the globe, and what scientists are doing to help them.

This program features Dr. Boris Tezak, a Postdoctoral Associate in the Department of Cell Biology at Duke University School of Medicine.

Register Now!


Natural Science Classroom occurs on Zoom once a month September-May. We recommend this program for ages 8 and up, but all ages are welcome. Parents and teachers are invited to participate with their children or students.