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Weather Stations: Temperature and Pressure
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In this activity, learners discover the relationship between temperature and pressure in the lower atmospheres of Jupiter and Earth.
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Molecules in Motion
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In this activity, learners add food coloring to hot and cold water to see whether heating or cooling affects the speed of water molecules.
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3-2-1 POP!
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In this physics activity, learners build their own rockets out of film canisters and construction paper.
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Mapping Sea Level Rise
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In this activity related to climate change, learners create and explore topographical maps as a means of studying sea level rise.
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Temperature Affects the Solubility of Gases
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In this activity, learners heat and cool carbonated water to find out whether temperature has an effect on how fast the dissolved gas leaves carbonated water.
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Trash Traits
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In this activity on page 24, learners perform experiments to examine whether or not trash can float, blow around, or wash away.
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Lighting Up Celery Stalks
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In this activity, learners conduct a series of hands-on experiments that demonstrate how the working of plants' veins, known as capillary action, enables water to travel throughout the length of a pla
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Submersibles and Marshmallows
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In this activity, learners discover the difficulty of ocean exploration by human beings as they investigate water pressure.
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That's the Way the Ball Bounces: Level 1
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In this activity, learners prepare four polymer elastomers and then compare their physical properties, such as texture, color, size, and bounce height.
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From Gas to Liquid to Solid
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What causes frost to form on the outside of a cold container? In this activity, learners discover that liquid water can change states and freeze to become ice.
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Diving Submarine
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Learners use a commercially available toy to experiment with density. They fill a chamber in the toy submarine with baking powder and release it into a tank of water.
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Tempest in a Teacup
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In this hands-on activity, learners determine the types of chemical reactions achieved when combining different household products.
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Miscibility
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Learners observe a bottle containing water and oil. They are invited to pick up the bottle and mix the contents together.
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COSI Quicksand
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In this chemistry experiment, learners get to make a very bizarre substance using corn starch and water. Is it a solid? Is it a liquid? Or is it a different kind of substance entirely?
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Atoms and Matter (K-2)
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In this activity, learners explore atoms as the smallest building blocks of matter. With adult help, learners start by dividing play dough in half, over and over again.
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COSI's Bubble Recipe
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Everybody loves bubbles, and this is the best bubble recipe ever!
Build a Borneo Glider
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In this inquiry-based activity, learners investigate the basic forces of flight as they construct their own paper glider that represents a rainforest creature from Borneo (large, tropical island in So
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Convection Demonstration
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In this quick activity (located on page 2 of the PDF under GPS: Balloon Fiesta Activity), learners will see the effects of convection and understand what makes hot air balloons rise.
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The Pressure's On
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In this chemistry activity, learners explore chemical reactions and their effects, including the kind of reaction in the human body that makes people burp!
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The China Hammer Mystery
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In this activity, learners are asked to examine the differences between two materials in a pair.