Physical science

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Across
  1. 3. Movement of an object around a fixed point
  2. 4. A combination of linear motion and rotation
  3. 5. The amount of matter in an object
  4. 6. A force that opposes motion
  5. 7. Is a type of atom with the same number of protons
  6. 9. A push or a pull
Down
  1. 1. basic building block of matter
  2. 2. When two objects come into physical contact with each other
  3. 5. The movement of an object
  4. 8. The ability to do work