Light Waves

123456789101112
Across
  1. 2. A range of light waves organized by frequency and wavelength
  2. 4. A dark area where light is blocked
  3. 5. Make objects visible in dark settings
  4. 6. Some of the longest wavelengths and lowest frequencies in the electromagnetic spectrum
  5. 9. A type of wave that forms an S shape
  6. 11. Part of the energy that comes from the sun, can burn the skin, and cause skin cancer
  7. 12. Have very short wavelengths
Down
  1. 1. A range of light waves organized by frequency and wavelength
  2. 3. A beam of light focused in only one direction
  3. 7. Has intermediate wavelengths and frequencies near the middle of the electromagnetic spectrum. Helps humans see the world
  4. 8. The direction energy is carried as a light wave moves forward
  5. 10. Have wavelengths as long as several football fields