Gravity is a force that pulls everything down., Everything on Earth is affected by gravity., Without gravity, we could just float away into space., A watermelon stays on a table because gravity pulls it down., Gravity is what keeps everything in place., Light things are pulled down by gravity, too., Isaac Newton is a scientist that studied gravity., Isaac Newton saw an apple fall off a tree and started thinking about why it fell., Even if you throw something up, gravity still pulls it down., People could not go down a slide, or play basketball without the force of gravity.

Gravity

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