Across
- 1. Number of waves passing a point per second
- 4. A disturbance that transfers energy through matter or space
- 6. The amount of matter in an object
- 8. Electric potential difference
- 9. A force associated with magnetic fields
- 10. A force that opposes motion between two surfaces
- 11. Force applied over a distance
- 12. The study of heat and energy transfer
- 15. Height of a wave from rest position
- 16. Speed with direction
- 17. Flow of electric charge
- 18. The force of attraction between objects with mass
- 19. The rate at which work is done
- 20. A push or pull that can change an object's motion
Down
- 2. Smallest possible discrete unit of any physical property
- 3. The capacity to do work
- 5. Mass times velocity
- 7. Resistance to change in motion
- 13. Opposition to the flow of electric current
- 14. The rate of change of velocity