Physical Science

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Across
  1. 3. a disturbance that travels
  2. 5. directional speed of an object
  3. 8. chemical element
  4. 9. move away
  5. 12. reflects sound
  6. 13. chemical compound
  7. 14. move towards
  8. 15. circular path around another objects
Down
  1. 1. made two or more atoms
  2. 2. H
  3. 4. compares the loudness of different sounds
  4. 6. hot energy
  5. 7. pulls down
  6. 10. reflects light from the surface
  7. 11. motion depending on mass