Science stuff

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Across
  1. 2. were do you find upthrust?
  2. 6. what are forces measured in?
  3. 7. what do parachutes use?
  4. 8. who discovered gravity?
Down
  1. 1. BONUS QUESTION type the word 'moments'
  2. 3. WHAT IS IT CALLED WHEN SOMETHING Gets FASTER?
  3. 4. what is the subject were you study forces?
  4. 5. what do you call it when two magnets come together
  5. 9. annoying energy that makes balloons stick to you?