Waves: Science

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Across
  1. 1. A straight line showing the path of light
  2. 3. Specific wavelength of light reflected
  3. 4. When waves pass through materials
  4. 8. Needs medium to travel through
  5. 9. Energy that allows us to see
  6. 10. Anything with mass and volume
  7. 11. A disturbance that moves energy
  8. 12. Distance between wave peaks
  9. 13. Reflects color
  10. 16. A reflected sound wave
  11. 17. When light bends as it changes mediums
  12. 19. Material that is clear enough for light to pass through
  13. 20. The colors humans can see
Down
  1. 2. Wave height
  2. 5. A vibration heard by the ear
  3. 6. The intensity of light
  4. 7. Can travel through empty space
  5. 8. The material a wave travels through
  6. 14. Bouncing off a surface
  7. 15. When a material absorbs the waves energy
  8. 18. How many waves pass per second