wades assignment 4 crossword

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Across
  1. 2. s=d/t
  2. 4. electromagnetic radiation with wavelengths longer than those of visible light.
  3. 5. speed=distance/time
  4. 6. x-rays
  5. 7. change in some quantity or difference in something
  6. 10. average position of the force of gravity on an object.
  7. 11. the throwing back by a body or surface of light, heat, or sound without absorbing it.
  8. 14. SI base unit of length
Down
  1. 1. the opposite of acceleration
  2. 3. how far abject's points are
  3. 8. change in velocity
  4. 9. when a object changes positions
  5. 12. third letter in the Greek alphabet
  6. 13. a push or pull