Summary
Bill shows that gravity is the same force pulling an apple, a skydiver, and the Moon. Drops, ramps, and a falling-objects demo make the invisible pull obvious.
Viewer safety
All ages
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Teaching resources
Discussion questions
Discussion
Bill shows that gravity is the same force pulling an apple, a skydiver, and the Moon.
- Which way does gravity pull things, no matter where you stand on Earth?
- Do heavier objects fall faster than light ones? How could you test it?
- What keeps you from floating off the ground?
Quick work-a-long
Vocabulary: gravity, weight, force.
Try it: Drop a crumpled paper ball and a flat sheet at the same time and explain what you observe.