Across
- 5. Part where the particles are spread apart in a longitudinal wave
- 8. not at right angles
- 12. Light waves are __________________ waves
- 13. Bottom part of a transverse wave
- 14. waves transfer ___________
- 15. _________ waves need a medium
- 17. the plural of medium
- 18. Top part of a transverse wave
- 19. a periodic disturbance in a solid, liquid, or gas as energy is transmitted through a medium
Down
- 1. at right angles
- 2. part where the particles are crowded in a longitudinal wave
- 3. the movement back and fourth
- 4. a physical environment in which phenomena occur
- 6. Electromagnetic waves travel through ______ to reach Earth.
- 7. _________ waves that need a medium, only travel through water
- 9. ______________ waves move back and forth
- 10. Waves created by earthquakes
- 11. ______________ waves move up and down
- 15. __________ waves are a combination of longitudinal and transverse waves
- 16. Waves that need a medium are called _______________ waves