Light, Sound, and Other Waves

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Across
  1. 3. These types of objects allow NO light to pass through the object.
  2. 4. Bouncing of a light wave off of a surface.
  3. 8. When light waves traveling in one direction are made to travel in many other directions once hitting an object.
  4. 9. Mechanical waves travel fastest through _________.
  5. 10. Light is considered an ____________ wave that can travel through a vacuum at a speed of 300,000 km/s.
  6. 13. Change in the direction of a light wave that occurs as the wave changes speed when moving from one medium to another.
  7. 14. Sound waves are ______________ mechanical waves that can only travel through matter.
Down
  1. 1. Color of light depends on the frequency and ___________ of light.
  2. 2. The human sensation of how much energy a sound wave carries.
  3. 5. Transfer of energy by a light wave to the medium through which it travels.
  4. 6. This color of visible light has the longest wavelength and lowest frequency.
  5. 7. The perception of how high or low a sound seems.
  6. 11. Passage of light through an object - 3 types are transparent, translucent, or opaque objects.
  7. 12. Electromagnetic waves travel fastest through a ____________.