Alex Wardill-Forces crossword

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Across
  1. 3. an upward force acting on a liquid when it is less dense than another liquid
  2. 5. if your opinion is not biased or if a see-saw is levelled it is .......
  3. 8. how heavy something is
  4. 11. the action of speeding up
  5. 12. to push something upwards, to raise it
  6. 13. a downwards acting force
Down
  1. 1. when an object is moved from its usual place
  2. 2. a brief period of time
  3. 4. the propulsion force produced by a jet engine
  4. 6. to pull something with difficulty
  5. 7. the speed of something in a given direction
  6. 9. how fast something is would be its .....
  7. 10. the force acting around the Earth