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Gravity bends marble paths
Age 10 · Science
Gravity makes objects pull toward each other. A heavy ball can bend the paths of small marbles so they roll around it.
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Age 10: open this week
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In the picture
- The central steel ball: a heavy mass that pulls the sheet down and attracts nearby marbles.
- The curved groove of a marble: a path bent around the heavy ball by its pull.
- The deepest part of the dip: where the pull toward the heavy ball is strongest.
Examples
- Earth travelling around the Sun.
- The Moon travelling around Earth.
Key takeaways
- Every object with mass pulls on other objects.
- A sideways-moving object can keep falling around a larger body in an orbit.
Quiz: Gravity bends marble paths (Age 10)
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What does gravity make objects with mass do?
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What can a sideways-moving object do around a larger body?
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Why can a heavy ball bend the paths of small marbles so they roll around it?
The answers, each with its explanation, are in the app. This lesson has left the free week, so its quiz is part of the subscription.
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