physics homework

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Across
  1. 1. how heavy
  2. 5. what can change or stay the same
  3. 7. how to measure speed
  4. 9. how heavy
Down
  1. 2. measured by time divided by distance
  2. 3. what keeps everything on the ground
  3. 4. happens when two things rub againt each other
  4. 5. how fast it changes positon
  5. 6. what you use to record your work
  6. 8. the process of moving
  7. 10. what you use to present your work