science crossword

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Across
  1. 3. the balanced forces on a skydiver
  2. 8. a force touching something
  3. 10. the tendency of an object to resist movement if still (newtons first law)
  4. 11. magnetic force is a ______??_____ force
  5. 13. forces acting on you mid-jump
  6. 14. a magnet has two poles,___??___and___??___
Down
  1. 1. a push, pull or twist
  2. 2. forces on a still table
  3. 4. ___??___ have a positive charge
  4. 5. the total force acting on an object
  5. 6. electrons have a ____??____ charge
  6. 7. ___??___ electricity is a build up of charge on objects, often due to friction
  7. 9. earth is a magnet due to its ___??___ core
  8. 12. for every action has an equal and opposite ___??___(newtons third law)