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