{"id":52467,"date":"2020-04-09T12:20:23","date_gmt":"2020-04-09T16:20:23","guid":{"rendered":"https:\/\/naturalsciences.org\/calendar\/?post_type=news&#038;p=52467"},"modified":"2020-04-29T10:52:52","modified_gmt":"2020-04-29T14:52:52","slug":"science-at-home-water-density-experiment","status":"publish","type":"news","link":"https:\/\/naturalsciences.org\/calendar\/news\/science-at-home-water-density-experiment\/","title":{"rendered":"Science At Home! Water Density Experiment"},"content":{"rendered":"<p>Looking for something to keep your brain active and engaged? We&#8217;re here to help with Science at Home! Over the next few weeks, we&#8217;ll be providing you with fun science experiments you can conduct using commonly found items. You can also visit us at the Museum&#8217;s <a href=\"https:\/\/naturalsciences.org\/calendar\/science-at-home\/\" target=\"_blank\" rel=\"noopener noreferrer\">Science at Home page<\/a> for additional resources.<\/p>\n<p><a href=\"https:\/\/naturalsciences.org\/calendar\/wp-content\/uploads\/2020\/04\/Science-At-Home_Water-Density.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">Find a print-out version of this science experiment here!<\/a><\/p>\n<h3><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-52871\" src=\"https:\/\/naturalsciences.org\/calendar\/wp-content\/uploads\/2020\/04\/materials_water_density.jpg\" alt=\"materials for water density experiment.\" width=\"700\" height=\"525\" srcset=\"https:\/\/naturalsciences.org\/calendar\/wp-content\/uploads\/2020\/04\/materials_water_density.jpg 700w, https:\/\/naturalsciences.org\/calendar\/wp-content\/uploads\/2020\/04\/materials_water_density-300x225.jpg 300w, https:\/\/naturalsciences.org\/calendar\/wp-content\/uploads\/2020\/04\/materials_water_density-500x375.jpg 500w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/h3>\n<h3>Materials Needed:<\/h3>\n<p><span style=\"font-weight: 400;\">Table salt<br \/>\n<\/span><span style=\"font-weight: 400;\">Spoon<br \/>\n<\/span><span style=\"font-weight: 400;\">Container of water<br \/>\n<\/span><span style=\"font-weight: 400;\">Red and blue food color<br \/>\n<\/span><span style=\"font-weight: 400;\">2 clear plastic cups<br \/>\n<\/span><span style=\"font-weight: 400;\">Large baking pan<br \/>\n<\/span><span style=\"font-weight: 400;\">Dish towel or paper towels<\/span><\/p>\n<h3>Experiment Instructions:<\/h3>\n<p><img decoding=\"async\" class=\"img-responsive\" src=\"https:\/\/naturalsciences.org\/calendar\/wp-content\/uploads\/2020\/04\/Step1_salt.jpg\" alt=\"Step 1: adding salt to cup.\" \/><\/p>\n<p><span style=\"font-weight: 400;\"><strong>Step 1:<\/strong> Place one tablespoon of salt in one of the empty cups.<\/span><\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"img-responsive\" src=\"https:\/\/naturalsciences.org\/calendar\/wp-content\/uploads\/2020\/04\/Step-2.jpg\" alt=\"Someone pours water into a smaller cup of salty water.\" width=\"700\" height=\"525\" \/><\/p>\n<p><span style=\"font-weight: 400;\"><strong>Step 2:<\/strong> Fill one cup between 1\/2 to 2\/3rds full with water.<\/span><\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"img-responsive\" src=\"https:\/\/naturalsciences.org\/calendar\/wp-content\/uploads\/2020\/04\/Step-3.jpg\" alt=\"The person drips red dye into the cup of salty water.\" width=\"700\" height=\"525\" \/><\/p>\n<p><span style=\"font-weight: 400;\"><strong>Step 3:<\/strong> Place several drops of red food color into the same cup and stir well.<\/span><\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"img-responsive\" src=\"https:\/\/naturalsciences.org\/calendar\/wp-content\/uploads\/2020\/04\/Step-5.jpg\" alt=\"The person puts blue dye into a SECOND cup of water without salt.\" width=\"700\" height=\"525\" \/><\/p>\n<p><span style=\"font-weight: 400;\"><strong>Step 4:<\/strong> Fill the second plastic cup about half full with water and add a few drops of blue food color, then stir. Note: do not add salt in this cup!<\/span><\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"img-responsive\" src=\"https:\/\/naturalsciences.org\/calendar\/wp-content\/uploads\/2020\/04\/Step-6.jpg\" alt=\"The person slowly drips the blue water into the spoon.\" width=\"700\" height=\"525\" \/><\/p>\n<p><span style=\"font-weight: 400;\"><strong>Step 5:<\/strong> Slowly and gently, hold the spoon on the surface of the saltwater while touching the inside of the cup. Drip the blue water onto the spoon. Note: It is important to do this slowly to keep the freshwater from mixing with the saltwater.<\/span><\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"img-responsive\" src=\"https:\/\/naturalsciences.org\/calendar\/wp-content\/uploads\/2020\/04\/Step-7.jpg\" alt=\"The blue water reaches the top of the cup.\" width=\"700\" height=\"525\" \/><\/p>\n<p><span style=\"font-weight: 400;\"><strong>Step 6:<\/strong> Continue to add the blue fresh water in this manner until you\u2019ve reached the top of the cup.<\/span><\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"img-responsive\" src=\"https:\/\/naturalsciences.org\/calendar\/wp-content\/uploads\/2020\/04\/Step-8.jpg\" alt=\"There is a clear seperation of red water and blue water!\" width=\"700\" height=\"525\" \/><\/p>\n<p><span style=\"font-weight: 400;\"><strong>Step 7:<\/strong> Step back and admire your creation!<\/span><\/p>\n<h3>What We&#8217;ve Learned<\/h3>\n<p><span style=\"font-weight: 400;\">Freshwater is able to &#8220;float&#8221; on saltwater because saltwater is more dense: i<\/span><span style=\"font-weight: 400;\">t contains water molecules like freshwater, plus sodium and chlorine ions!<\/span><\/p>\n<h3>Natural Connections<\/h3>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"alignnone size-full wp-image-52862\" src=\"https:\/\/naturalsciences.org\/calendar\/wp-content\/uploads\/2020\/04\/GettyImages-1024882276_SM.jpg\" alt=\"Docked ship at sunset.\" width=\"724\" height=\"482\" srcset=\"https:\/\/naturalsciences.org\/calendar\/wp-content\/uploads\/2020\/04\/GettyImages-1024882276_SM.jpg 724w, https:\/\/naturalsciences.org\/calendar\/wp-content\/uploads\/2020\/04\/GettyImages-1024882276_SM-300x200.jpg 300w, https:\/\/naturalsciences.org\/calendar\/wp-content\/uploads\/2020\/04\/GettyImages-1024882276_SM-500x333.jpg 500w\" sizes=\"(max-width: 724px) 100vw, 724px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">Imagine you&#8217;re a captain of a ship sailing from one sea to another or moving from a large body of freshwater to the ocean.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">You would need to be careful to load your cargo to reflect the different densities between these bodies of water. Failure to do so could \u2014 and has \u2014 ended up in ships capsizing!<\/span><\/p>\n<p><span style=\"font-weight: 400;\">A ship in saltwater will float higher than one in freshwater. Just like you will!<\/span><\/p>\n<p>&nbsp;<\/p>\n<h3>Having Fun?<\/h3>\n<p><span style=\"font-weight: 400;\">We want to see! Tag @naturalsciences on social media so we can see you and your loved ones enjoying our Science at Home experiments.<\/span><\/p>\n<h3>Want More Experiments?<\/h3>\n<p><a href=\"https:\/\/naturalsciences.org\/calendar\/news\/science-at-home-water-tension-experiment\/\" target=\"_blank\" rel=\"noopener noreferrer\">Try this one about water tension!<\/a><\/p>\n<p><a href=\"https:\/\/naturalsciences.org\/calendar\/news\/science-at-home-an-eggs-celent-adventure\/\" target=\"_blank\" rel=\"noopener noreferrer\">Try making a &#8220;rubber&#8221; egg!<\/a><\/p>\n<hr \/>\n<p><em>For more information about our upcoming activities, conservation news and ground-breaking research, follow @NaturalSciences on\u00a0<\/em><em><a href=\"https:\/\/www.instagram.com\/naturalsciences\/\">Instagram<\/a><\/em><em>,\u00a0<\/em><em><a href=\"https:\/\/twitter.com\/naturalsciences\">Twitter<\/a><\/em><em>\u00a0and\u00a0<\/em><em><a href=\"https:\/\/www.facebook.com\/naturalsciences\/\">Facebook<\/a><\/em><em>.\u00a0Join the conversation with #visitNCMNS.<\/em><\/p>\n","protected":false},"author":2,"featured_media":52475,"menu_order":0,"template":"","format":"standard","meta":{"_links_to":"","_links_to_target":""},"acf":[],"_links":{"self":[{"href":"https:\/\/naturalsciences.org\/calendar\/wp-json\/wp\/v2\/news\/52467"}],"collection":[{"href":"https:\/\/naturalsciences.org\/calendar\/wp-json\/wp\/v2\/news"}],"about":[{"href":"https:\/\/naturalsciences.org\/calendar\/wp-json\/wp\/v2\/types\/news"}],"author":[{"embeddable":true,"href":"https:\/\/naturalsciences.org\/calendar\/wp-json\/wp\/v2\/users\/2"}],"version-history":[{"count":0,"href":"https:\/\/naturalsciences.org\/calendar\/wp-json\/wp\/v2\/news\/52467\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/naturalsciences.org\/calendar\/wp-json\/wp\/v2\/media\/52475"}],"wp:attachment":[{"href":"https:\/\/naturalsciences.org\/calendar\/wp-json\/wp\/v2\/media?parent=52467"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}