phun with physics

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Across
  1. 2. A material that allows electric current to pass through easily. INSULATOR: A material that does not allow electric current to pass through easily.
  2. 6. The force exerted by magnets.
  3. 7. A closed path for an electric current.
  4. 8. A push or pull on an object.
  5. 11. A disturbance that transfers energy.
  6. 12. The speed of an object in a given direction.
  7. 13. The quantity of motion of a moving body, measured as the product of its mass and velocity.
  8. 15. Opposition to the flow of current.
  9. 18. Electromagnetic radiation.
  10. 19. When an object moves or changes location.
  11. 20. The basic unit of matter.
  12. 21. A force that resists motion between surfaces in contact.
  13. 23. The distance between successive crests of a wave
Down
  1. 1. A positively charged subatomic particle.
  2. 2. The flow of electric charge.
  3. 3. A neutral subatomic particle.
  4. 4. An optical device that refracts light.
  5. 5. The force of attraction between objects with mass.
  6. 9. The bending of light as it passes through a medium.
  7. 10. The capacity to do work.
  8. 14. A measure of the amount of matter in an object.
  9. 16. A negatively charged subatomic particle.
  10. 17. The number of waves that pass a point in a given time.
  11. 22. The unit for measuring force.