Across
- 3. PV=constant
- 8. used to measure temperature
- 9. quantity that has both magnitude and direction
- 11. bending of wave when it passes from one medium to another
- 12. gradient of a velocity-time graph
- 13. thermal energy transfer by contact
- 14. S.I unit for forces
- 15. wave produced by vibrations of particles
- 16. both a particle and a wave
Down
- 1. mass divided by volume
- 2. _____________ spectrum
- 4. the distance between corresponding points of two successive waves
- 5. product of the force by the perpendicular distance moved
- 6. amount of energy required to raise the temperature of a substance by one degree
- 7. alternative to fossil fuels
- 10. number of cycles in one second
