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No Pressure
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In this activity, learners observe what would happen to their bodies if they went to outer space without a space suit.

How to Learn Basic Shapes by Making a Shape Mobile
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In this activity, caregivers and young learners work together to craft and talk about shapes and relative positions of such shapes by creating a mobile.

Polymers are Chains (K-2)
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In this activity, learners make a paper model of a polymer, then make Silly Putty, an actual polymer.

Comparing the Density of Different Liquids
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Learners carefully pour vegetable oil, water, and corn syrup in any order into a cup and discover that regardless of the order they are poured, the liquids arrange themselves in layers the same way.

Animal House
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The goal of this activity is to design, build and test a house or toy for an animal.

Aluminum-Air Battery: Foiled again!
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Construct a simple battery that's able to power a small light or motor out of foil, salt water, and charcoal. A helpful video, produced by the Exploratorium, guides you along on this activity.

Orange Pop
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In this activity, learners surprisingly pop balloons without touching them using orange peels. This Mr.

Hidden Color Chemistry
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In this activity, learners will discover what colors are in different markers, and may be surprised at the results.

Bouncing Balloons
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In this sports-themed engineering activity, learners create super bouncy balls out of balloons. Learners brainstorm, test their designs, and share results.

Cool Hot Rod
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If you have access to a copper metal tube, this activity does a great job demonstrating what happens to matter when it's heated or cooled. This activity requires some lab equipment.

Get the Porridge Just Right
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Learners set up three different bowls, each with a different mass of oatmeal. Learners monitor the temperature of the oatmeal and find that larger masses take longer to cool.

Water Molds (Oomycetes)
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In this laboratory activity, learners use a simple procedure to bait oomycetes from water and/ or soil and then examine these fungus-like organisms with the microscope to see how they look.

Rubber Band Thermodynamics
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In this demonstration, learners explore the thermal properties of rubber. Learners investigate whether a rubber band contracts or expands when heated.

Lagging Sound
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In this group activity, learners see and hear the speed of sound. A learner designated the "gonger" hits a gong, once every second, as the rest of the group watches and listens from a distance.
Big and Little Cups
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In this indoor or outdoor water activity, learners pour water from small cups to large cups and containers. In doing so, they discover water takes the shape of its container.

Twirling in the Breeze
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In this engineering activity, learners build a device (an anemometer) to measure how fast the wind is blowing.

Big Wave
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This is an activity about waves. Using marbles, paper clips and rubber bands, learners explore how waves behave.

Temperature Time Warp
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In this activity, learners explore the behavior of cold-blooded animals. Learners discover what happens when they change a fly's temperature.

Waterless Snow Globe
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In this activity, learners will investigate static electricity as they create waterless snow globes.

Chemical Change
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In this chemistry activity, learners explore the amount of copper in a new penny. Learners use toilet bowl cleaner to hollow out the interior of a penny with zinc inside.