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In this activity (page 2 of PDF under GPS: Glaciers Activity), learners will measure the rate at which water streams out of a leaky cup.

$1 - $5 per group Ages 8 - 14 45 to 60 minutes
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Learners experiment with a 2-liter plastic bottle containing water and four “divers." The divers consist of open, transparent containers with the opening points downward.

1 cent - $1 per group Ages 6 - adult 10 to 30 minutes
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In this activity, learners use cheap, thin plastic garbage bags to quickly build a solar hot air balloon. In doing so, learners will explore why hot air rises.

$1 - $5 per group Ages 8 - 14 10 to 30 minutes
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This activity uses Jell-O(R) to introduce learners to microfluidics, the flow of fluids through microscopic channels.

$10 - $20 per group Ages 8 - adult 45 to 60 minutes
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In this classic reaction, learners baking soda and vinegar in a soda bottle to produce carbon dioxide (CO2) gas. This gas inflates a balloon.

$1 - $5 per student Ages 6 - 14 5 to 10 minutes
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Learners demonstrate how water can distort, refract and magnify light.

$1 - $5 per group Ages 8 - 14 1 to 2 hours
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Learners use M&Ms® (or any other multi-color, equally-sized small candy or pieces) to create a pie graph that expresses the composition of air.

$1 - $5 per group Ages 8 - 14 10 to 30 minutes
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In this chemistry activity, learners are asked to form a hypothesis about the behavior of milk as household detergents act upon it.

$1 - $5 per group Ages 8 - 18 Under 5 minutes
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In this activity, learners simulate what happens to a human spine in space by making Sponge Spool Spines (alternating sponge pieces and spools threaded on a pipe cleaner).

$5 - $10 per group Ages 8 - 14 10 to 30 minutes
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Learners smell balloons filled with different scents to guess what's inside. From this, they infer the presence and motion of scented molecules.

$5 - $10 per group Ages 4 - 14 10 to 30 minutes
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In this activity, dry ice and other items are used to construct a demonstration model of a comet that illustrates the comet nucleus, coma, and tails.

$10 - $20 per group Ages 8 - 14 30 to 45 minutes
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In this demonstration, learners compare the relative sizes and masses of scale models of the planets as represented by fruits and other foods.

$10 - $20 per group Ages 8 - 14 30 to 45 minutes
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In this simple demonstration, learners investigate the properties of air pressure. Learners place an index card on top of a glass full of water, then invert the glass.

free Ages 8 - 14 5 to 10 minutes
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In this activity, learners try pouring water out of a regular cup and a miniature cup. It’s harder than it sounds! Learners discover that different forces dominate at different size scales.

$5 - $10 per group Ages 4 - adult 5 to 10 minutes
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In this activity, learners explore how changes in fluid pressure affect the buoyancy of a Cartesian diver inside a plastic soda bottle.

$1 - $5 per student Ages 8 - 14 10 to 30 minutes
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In this activity, learners experiment and observe how the color of materials that cover the Earth affects the amounts of sunlight our planet absorbs.

1 cent - $1 per group Ages 8 - 18 30 to 45 minutes
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Learners are challenged to discover the relative densities of colored liquids to create a rainbow pattern in a test tube.

$5 - $10 per group Ages 4 - 14 10 to 30 minutes
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In this activity, learners use chemistry to “self-assemble” gummy shapes. Learners discover that self-assembly is a process by which molecules and cells form themselves into functional structures.

$10 - $20 per group Ages 4 - adult 10 to 30 minutes
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In this activity, learners explore how various energy sources can be used to cause a turbine to rotate.

$1 - $5 per group Ages 8 - 14 1 to 2 hours
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Learners conduct an experiment to determine the rate at which two materials, sand and water, heat up and cool down.

$5 - $10 per group Ages 11 - 14 45 to 60 minutes