Electromagnetic Waves and Sound Waves

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Across
  1. 2. Energy that travels in waves and is visible to the human eye.
  2. 3. A repeating disturbance or vibration that transfers energy.
  3. 5. The material (solid, liquid, or gas) through which waves travel.
  4. 9. The bouncing back of light or sound waves when they hit a surface.
  5. 10. Energy that travels as a vibration through a medium like air or water.
Down
  1. 1. The back-and-forth motion that creates sound waves.
  2. 4. The bending of light as it passes through a material of different density.
  3. 6. How fast a wave travels through a medium.
  4. 7. A transparent object that separates light into its spectrum of colors.
  5. 8. The ability to do work or cause change; transferred through waves.