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In this demonstration about force and motion, learners will explore the forces that affect a pendulum A simple model pendulum comprised of a ball and string demonstrates how pendulums work as well as

$1 - $5 per student Ages 4 - 11 5 to 10 minutes
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Learners make their own acid-base indicator from red cabbage. They use this indicator to test substances around the house.

$1 - $5 per student Ages 6 - 14 10 to 30 minutes
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In this activity, learners build a seesaw powered by magnets.

$1 - $5 per student Ages 6 - 14 30 to 45 minutes
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In this activity, learners explore sound by constructing their very own banjo out of a coffee can. Learners experiment with the canjo to change the instrument's pitch and timbre.

$1 - $5 per student Ages 6 - 18 45 to 60 minutes
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In this activity, learners build mini catapults using paint paddles and a spoon. Use this activity to introduce learners to forces and projectile motion.

$1 - $5 per student Ages 6 - 18 10 to 30 minutes
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In this activity, learners separate materials based on their special properties to mimic the way recyclables are sorted at recycling centers.

$1 - $5 per student Ages 6 - 11 10 to 30 minutes
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Students design and build their own parachutes in this hands-on engineering project.

$1 - $5 per group Ages 6 - 11 45 to 60 minutes
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In this activity, learners make a helium balloon "flink"--neither float away nor sink to the ground. Use this activity to introduce physics concepts related to gravity, density, and weight.

$1 - $5 per student Ages 6 - 11 10 to 30 minutes
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This activity provides instructions for using cornstarch and water to make an ooze which has the properties of both a solid and liquid.

$1 - $5 per student Ages 4 - 11 10 to 30 minutes
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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?

$1 - $5 per group Ages 4 - 11 10 to 30 minutes
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In this activity, learners explore the flexibility of polymer chains by pushing sharpened pencils through a Ziploc bag.

$1 - $5 per group Ages 6 - 18 5 to 10 minutes
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In this activity, learners will explore density and it's relationship with mass.

$1 - $5 per group Ages 4 - 11 10 to 30 minutes
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In this activity, learners will explore how and why weight distribution works.

$1 - $5 per group Ages 4 - adult 10 to 30 minutes
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In this activity, learners will "paint" their own crystal artwork by creating a picture with a super saturated salt solution.

$1 - $5 per student Ages 4 - 11 2 to 4 hours
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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.

$1 - $5 per student Ages 4 - 8 10 to 30 minutes
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Investigate the interaction of liquids of different densities and experiment with wave patterns with this hands-on activity.

$1 - $5 per group Ages 6 - 11 5 to 10 minutes
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In this activity, learners will explore how water affects marker on filter paper. Learners will use science process skills such as making observations and predictions as they explore color.

$1 - $5 per student Ages 4 - 8 5 to 10 minutes
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In this activity, learners investigate soil erosion. Learners set up a simulation to observe how water can change the land and move nutrients from one place to another.

$1 - $5 per student Ages 6 - 11 10 to 30 minutes
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In this activity, learners discover that there is space between molecules even in a cup "full" of water. They first fill a cup with marbles, and then add sand to fill the gaps between the marbles.

$1 - $5 per group Ages 6 - 14 10 to 30 minutes
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In this tasty activity, learners make their own ice cream any day of the year in an exploration of heat and cold. Highlights include freezing and melting and the transition from liquid to solid.

$1 - $5 per student Ages 6 - 11 45 to 60 minutes