Gravity

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Across
  1. 4. One of the two factors gravity's affected by, having to do with mass and how big something is
  2. 5. A force that pulls anything with mass towards each other
  3. 8. One of the two factors gravity is affected by, has to do with how close something is to another
  4. 10. What the Earth orbits
  5. 11. The Sun's gravity and Earth's ____ keep Earth in a stable orbit around the Sun
Down
  1. 1. The measured amount of force gravity has on an object
  2. 2. The first name of man that is credited with the discovery of gravity
  3. 3. The last name of man that is credited with the discovery of gravity
  4. 6. The path an object (in this case normally a planet) follows around another object
  5. 7. What orbits the Earth
  6. 9. The amount of matter something is made up of