Science Revolution Crossword Puzzle

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Across
  1. 3. Newton's Laws of
  2. 6. What keeps you down on Earth
  3. 7. Who published a book about planetary motion
  4. 8. What gives the Earth heat and natural light
  5. 9. Defenition is a sharp change
Down
  1. 1. First name is Galilei
  2. 2. First name is Nicolas
  3. 4. First name is Isaac
  4. 5. What rotates around the Sun
  5. 8. What scientists study