When Sabrina jumped into the air, she ___
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  • floated away
  • landed on her feet
  • landed on her head
  • moved sideways
What force pulls everything toward the ground, including you?
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  • gravity
  • friction
  • elasticity
  • electrical force
A push or pull acting on an object is called ___
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  • a lever
  • a pusher
  • a force
  • a puller
Everything would fly off into space, without ___
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  • frictional forces
  • french fries
  • water
  • the force of gravity
Which English scientist was the first person to seriously study gravity?
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  • Michael Faraday
  • Charles Darwin
  • Albert Einstein
  • Isaac Newton
What event led to an "Aha!" moment for Sir Isaac Newton? 
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  • He was hit by a falling apple
  • He awoke from a deep sleep
  • He had a dream about gravity
  • He ate a delicious apple
Which type of objects are pulled toward Earth?
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  • only apples
  • only light objects
  • only heavy objects
  • all objects
If you are holding an apple, a bowling ball, and a feather, then let go of them, ___
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  • they're all going down
  • the feather will stay put
  • only the bowling ball falls
  • only the heavy objects fall
Sir Isaac determined that "what goes up ___"
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  • isn't affected by gravity
  • stays up
  • must come down
  • goes into orbit
A thrown ball will go up or sideways for a little bit ___
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  • then keep going
  • then come back
  • while it's not affected by gravity
  • then will fall to the ground
Near the surface of the Earth, gravity is the cause that produces the effect of ___
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  • all unsupported objects falling down
  • supported objects falling down
  • all unsupported objects falling up
  • supported objects falling up
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