CROSSWORD ACTIVITY

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Across
  1. 1. force that attracts mass
  2. 4. the SI unit of energy
  3. 5. the fourth state of matter
  4. 6. rotational twisting force
  5. 7. measure of system disorder
Down
  1. 2. quantity with magnitude and direction
  2. 3. Resistance to change in motion
  3. 5. A particle of light