Waves Crossword Puzzle

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Across
  1. 4. are like the outside of a bowl and causes objects to appear smaller--car rearview mirror
  2. 5. when a wave travels through a medium
  3. 7. a material that reflects or absorbs all of the light that strikes it
  4. 8. a material that transmits most of the light it strikes--window
  5. 10. determined by the distance it travels in a given time
  6. 11. travel perpendicular to the direction of the source's motion--light
  7. 14. any disturbance that transfers energy from place to place
  8. 17. when waves are completely blocked and bounce off to head in a different direction
  9. 18. a change in frequency and pitch as a sound wave moves in relation to an observer(two words)
  10. 20. a material that scatters the light that passes through it--jello
Down
  1. 1. are like the inside of a bowl; if the object is close it appears larger; if it is far away it appears inverted--binoculars
  2. 2. wave that transfers
  3. 3. travel in the same direction as the vibrations--sound
  4. 6. the distance between the highest crest and the resting position
  5. 9. when the energy of a wave is transferred to a material it encounters
  6. 12. when light waves are transmitted from one medium into another causing them to bend
  7. 13. wave that moves through some type of matter
  8. 15. the material or matter through which a wave travels
  9. 16. the distance a wave travels before it starts to repeat
  10. 19. the number of times a wave repeats in a given amount of time