Gravity Crossword

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Across
  1. 4. Gravity affects anything in the universe
  2. 6. A force pulling objects toward each other
  3. 8. All of space and matter
  4. 9. A group of planets orbiting around a star/sun
  5. 10. Orbits around the solar system
Down
  1. 1. objects to stay in motion, or at rest
  2. 2. Planet of Life
  3. 3. Amount of gravitational force on an object
  4. 5. A Scientist who discovered why objects fall
  5. 7. Amount of matter in an object