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In this demonstration, learners observe vinegar and baking soda reacting to form carbon dioxide (CO2) gas.

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

In this activity, learners discover how to determine the distance to a lightning strike or nearby thunderstorm.

The "Rocket Reactions" activity is an exciting way to learn about how materials interact, behave, and change.

In "Exploring the Solar System: Stomp Rockets," participants learn about how some rockets carry science tools—not scientists—into space, and how a special kind of rocket called "sounding rockets" can

In this activity, learners work in pairs to measure each other's ankles with lengths of string.