15.1 Section review

12345678910111213141516171819
Across
  1. 5. Part where the particles are spread apart in a longitudinal wave
  2. 8. not at right angles
  3. 12. Light waves are __________________ waves
  4. 13. Bottom part of a transverse wave
  5. 14. waves transfer ___________
  6. 15. _________ waves need a medium
  7. 17. the plural of medium
  8. 18. Top part of a transverse wave
  9. 19. a periodic disturbance in a solid, liquid, or gas as energy is transmitted through a medium
Down
  1. 1. at right angles
  2. 2. part where the particles are crowded in a longitudinal wave
  3. 3. the movement back and fourth
  4. 4. a physical environment in which phenomena occur
  5. 6. Electromagnetic waves travel through ______ to reach Earth.
  6. 7. _________ waves that need a medium, only travel through water
  7. 9. ______________ waves move back and forth
  8. 10. Waves created by earthquakes
  9. 11. ______________ waves move up and down
  10. 15. __________ waves are a combination of longitudinal and transverse waves
  11. 16. Waves that need a medium are called _______________ waves