Microwaves

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Across
  1. 4. When the frequency of a wave appears to change due to the relative motion between the course of the wave and the observer.
  2. 7. A faint radiation that permeates the entire universe.
  3. 8. A system used to detect and locate objects.
  4. 9. A type of radiation that has enough energy to remove tightly bound electrons from atoms creating charged particle called ions
Down
  1. 1. A type of radiation that doesn’t have enough energy to remove tightly bound electrons from atoms and create ions
  2. 2. A type of electromagnetic radiation with wavelengths longer than those of visible light but shorter than radio waves.
  3. 3. Something taking in or soaking up another substance or energy.
  4. 5. (Abreviation)A government agency that regulates communication systems, such as radio, television, and telecommunications
  5. 6. Energy that comes from heat