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In this activity learners compare the bounciness of warm and cold racquetballs to see if temperature makes a difference in how well they bounce.

In this online activity, learners use a realistic mass and spring laboratory. They hang masses from springs and adjust the spring stiffness and damping.

In this activity on page 5 of the PDF, learners use their knowledge of energy and batteries to create homemade flashlights.

In two separate bags, learners mix water with Epsom salts and detergent.