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Activity
PBS

Pbs Teachers: Daredevil Ball Jump Experiment

For Students Pre-K - 1st
Construct a device to measure the height of a bounced ball, then compare the bouncing heights of various types of balls. Record the results on a chart.
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Lesson Plan
Science Education Resource Center at Carleton College

Serc: Mn Step: Slow the Ball

For Teachers 3rd - 8th
For this experiment, students will design a track for a rolling ball to try to have the longest roll time possible. They will, in the process, apply their understanding of kinetic and potential energy, and acceleration and deceleration.
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Activity
Other

Science House: Ice Cream

For Teachers 9th - 10th
Experiment shows students how to use the lowered freezing point of water to chill another mixture (ice cream) to the solid state. Teacher's notes provide background information.
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Activity
Museum of Science

Museum of Science and Industry Chicago: Online Science: Drop Eggs Into Cups

For Students 3rd - 8th
Step-by-step illustrated instructions showing how to drop four eggs into four cups without touching them. Demonstrates the concept of inertia according to Newton's first law of motion.