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Gravity

Gravity. What is it?. http://www.fi.edu/pieces/cych/apollo%2010/story/hoi/ball3.html. http://www.fi.edu/pieces/cych/apollo 10/story/hoi/ball.html. Gravity is …. A natural force that pulls all objects toward the center of the earth. WHAT IS A FORCE?. A pull or a push on an object.

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Gravity

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  1. Gravity What is it? http://www.fi.edu/pieces/cych/apollo%2010/story/hoi/ball3.html http://www.fi.edu/pieces/cych/apollo 10/story/hoi/ball.html

  2. Gravityis… • A natural force that pulls all objects toward the center of the earth.

  3. WHAT IS A FORCE? A pull or a push on an object

  4. Which do you think would fall first? • A bouncyball Try It! Or a marble

  5. They fall at the same rate of speed, but the marble has more mass (weight) and so gravity makes it fall harder!Gravity has a stronger force on things with more mass!

  6. It takes a force to overcome gravity! Throw a bean bag in the air and then… Throw a basketball in the air. Which one was harder to throw?

  7. You had to use more force to throw the basketball because it has more mass (weight)

  8. This powerpoint was kindly donated to www.worldofteaching.com http://www.worldofteaching.com is home to over a thousand powerpoints submitted by teachers. This is a completely free site and requires no registration. Please visit and I hope it will help in your teaching.

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