SCIENCE REVIEW

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Across
  1. 6. This planet is closest to the sun.
  2. 8. All forces have speed and __________.
  3. 9. The only planet known to have life.
  4. 11. Measures sound waves.
  5. 13. Known for it's 'rings'.
  6. 15. A push or a pull.
  7. 16. Discovered the 3 laws of motion.
Down
  1. 1. Genius
  2. 2. The largest planet.
  3. 3. Sound is caused by ____________.
  4. 4. This planet is farthest from the sun.
  5. 5. The reflection of sound waves off of a hard surface.
  6. 7. The number of planets in our solar system.
  7. 10. A measure of a sound's volume.
  8. 12. Fear of heights
  9. 13. The only star in our Solar System.
  10. 14. Two surfaces rubbing against each other.