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Swinging Yo-Yo
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Learners build a pendulum from a yo-yo, and then design their own experiment to determine what affects the pendulum's period of swing.
Designer Seeds
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In this activity, learners will examine a variety of seeds, describe them, and determine how they are dispersed.
Pollution Diffusion
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Learners design their own experiment to investigate how pollution diffuses through ground material.
Racing M&M Colors
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Learners design their own experiment to determine which M&M color dissolves the fastest in water.
Does Your Chewing Gum Lose Its Flavor?
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Each learner chews a piece of gum until it loses its flavor, and then leaves the gum to dry for several days.
What's Hiding in the Air?: Rubber Band Air Test
Learners build devices from rubber bands to test for invisible air pollutants.
Production of a Gas: Controlling a Chemical Reaction
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Learners mix vinegar and baking soda to produce a gas. With the addition of a bit of liquid soap, the gas becomes trapped in measurable bubbles.