gravity [1] [video clips] [appearing pictures with questions]

• 1. These are screenshots taken from the video clip to help you understand the topic.
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• 2. Why is gravity so important?
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• 3. What is gravity like?
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• 4. How does it work?
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• 5. Do all of the planets have the same gravity?
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• 6. Why is Jupiter different?
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• 7. Which planet has just the right amount of gravity?
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• 8. What type of force is gravity?
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• 9. How did apples become part of the story?.
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• 10. Why does mass matter?
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• 11. When does gravity get weaker?
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• 12. Where on our bodies is gravity the strongest?
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• 13. What objects have gravity?
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• 14. Why when you drop something does it fall on to the ground?
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• 15. How does gravity and the Sun connect with the planets?
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• 16. Which word describes the path of a planet around the Sun caused by gravity?
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• 17. What is the difference between weight and mass?
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• 18. If your weight on Earth is 490 N what would it be on the Moon?
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• 19. When can you escape Earth's gravity and reach space?
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• 20. At what speed does this happen?
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• 21. Which British scientist is famous for his laws on motion and gravity?
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• 22. What is gravity also known to cause?
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• 23. How many times a day does this occur?
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