Gravity

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 3. The largest planet and the 5th from the sun (7)
  2. 5. Italian astronomer and mathematician who was the first to use a telescope to study the stars (7)
  3. 7. Having the sun as the center (12)
  4. 9. The planet we live on (5)
  5. 10. An area in which something acts or operates or has power or control: "the range of a supersonic jet" (5)
  6. 11. How much matter something contains (4)

Down

  1. 1. Force that pulls objects toward the Earth (7)
  2. 2. The sun with the celestial bodies that revolve around it in its gravitational field (11)
  3. 4. Any of the nine large celestial bodies in the solar system that revolve around the sun and shine (6)
  4. 6. The vertical force exerted by a mass as a result of gravity (6)
  5. 8. Natural satellite that orbits the Earth (4)
  6. 12. The star our planet orbits (3)