Year 7- Forces Crossword Puzzle

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Across
  1. 2. Force that opposes motion between two surfaces in contact
  2. 3. Forces that are equal and opposite resulting in no change in motion
  3. 5. Air pushing against a moving object
  4. 7. The variable you change in an experiment
  5. 8. The force that pulls objects toward Earths centre
  6. 10. The unit used to measure force
  7. 11. The variable you measure in an experiment
  8. 12. The upward force from a liquid or gas on an object
  9. 13. An object stays still or moves at constant speed unless acted on by this type of force
Down
  1. 1. When thrust is greater than resistance a balloon rocket will do this
  2. 2. A push or pull that acts on an object
  3. 4. Variables kept the same to make a test fair
  4. 6. A pushing force that moves an object forward like escaping air from a balloon
  5. 9. Force through a rope or string when pulled tight