Space

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Across
  1. 3. how much matter an object is made up of.
  2. 4. ___ of universal gravitation- what Newton realized.
  3. 8. another thing that affects gravity.
  4. 9. A rocky planet formed in the middle of a dust cloud.
  5. 10. One thing that made the Earth.
Down
  1. 1. the scientist who said that if you drop a 5 and 10 pound ball at the same time from the Leaning Tower of Pisa, they would hit the ground at almost the same time.
  2. 2. the force that pulls objects toward each other.
  3. 5. the gravitational pull on the object.
  4. 6. something that affects gravity.
  5. 7. Isaac ______ was the man who discovered gravity.