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Explore the effects of gravity on a slowly falling object: a parachute you make out of plastic bags, string and stones.

1 cent - $1 per student Ages 6 - 11 5 to 10 minutes
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In this activity (on page 2 of the PDF), the learner places a golf ball between salt water and colored fresh water. The golf ball is not as dense as the saltwater.

$1 - $5 per student Ages 6 - 14 5 to 10 minutes
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In this activity, learners explore how water behaves differently when it comes in contact with "nano sand" and regular sand.

$10 - $20 per group Ages 4 - adult 5 to 10 minutes
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In this activity, learners discover that as the salinity of water increases, the density increases as well. Learners prove this by attempting to float fresh eggs in saltwater and freshwater.

1 cent - $1 per group Ages 6 - 14 5 to 10 minutes
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In this activity, explore chromatography and the various colors that make up the ink in markers. Use this activity to investigate cohesion and adhesion.

1 cent - $1 per student Ages 6 - 11 5 to 10 minutes
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In this activity, learners sniff out scents hidden in balloons! After investigating, learners discover we sometimes can use another sense (smell) to detect things too small to see.

$5 - $10 per group Ages 4 - adult 5 to 10 minutes
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In this chemistry activity, learners use guar gum to make slime. Use this activity to introduce learners to polymers, viscosity, and colloids.

$5 - $10 per group Ages 11 - 18 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 investigate diffusion by creating underwater "fireworks" using food coloring, oil and water.

$1 - $5 per student Ages 6 - 11 5 to 10 minutes
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In this activity, challenge learners to float a paper clip in a cup of water. Learners discover that a paper clip will sink in a cup of water, except when it is placed on a piece of paper towel.

1 cent - $1 per student Ages 6 - 11 5 to 10 minutes
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In this activity, learners explore the forces at work in water. Learners experiment to find out what happens to pepper in water when they touch it with bar soap and liquid detergent.

$1 - $5 per student Ages 8 - 18 5 to 10 minutes
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In this quick activity, learners observe how wind creates ocean currents.

$1 - $5 per group Ages 6 - 14 5 to 10 minutes
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In this activity, learners explore the properties of paper by constructing and modifying paper airplanes.

1 cent - $1 per student Ages 8 - 14 5 to 10 minutes
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This is a highly visual demonstration that illustrates both the effects of density and chemical reactions.

$1 - $5 per group Ages 4 - adult 5 to 10 minutes
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In this activity, learners work in pairs to measure each other's ankles with lengths of string.

$1 - $5 per group Ages 8 - 14 5 to 10 minutes
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In this chemistry activity, learners make a slimy non-Newtonian fluid called "Gluep." Use this activity to introduce learners to polymers and viscosity.

$1 - $5 per group Ages 4 - 18 5 to 10 minutes
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In this demonstration, learners investigate mass, gravity, and acceleration by dropping a wooden bar with a balloon attached to its underside, a mass suspended from it by rubber bands, and a sharp-poi

$5 - $10 per group Ages 11 - 18 5 to 10 minutes
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With a coffee filter, a black marker, and a cup of water, discover the secret colors hidden in black ink.

1 cent - $1 per student Ages 8 - 18 5 to 10 minutes
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In this chemistry activity, learners observe a combustion reaction and deduce the components necessary for the reaction to occur.

1 cent - $1 per group Ages 11 - 18 5 to 10 minutes
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In this activity, learners discover how a super-absorbing material can be used to move a straw.

$10 - $20 per group Ages 4 - adult 5 to 10 minutes