Unit #1 Crossword Puzzle

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Across
  1. 2. heat waves that are absorbed, transmitted, or reflected
  2. 3. waves that stop bacteria from replicating
  3. 4. lowest point of a wave
  4. 6. no light rays pass through this medium
  5. 8. distance from sea level to bottom of a trough
  6. 12. reveals objects that humans cannot see
  7. 13. measured through a fixed time per second
Down
  1. 1. spectrum that humans can see
  2. 2. lowest frequency
  3. 4. a type of imaging that captures internal heat
  4. 5. highest frequency, highest energy
  5. 7. used to measure speed of raindrops
  6. 9. light or sound waves bending around an object
  7. 10. radiation from a system that has a high temperature
  8. 11. space between two successive crests