Electromagnetic Spectrum

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Across
  1. 4. This Scottish scientist predicted the existence of wavelengths beyond the purple end of visible light.
  2. 9. This British astronomer used a prism to separate light and measured the temperature of the resultant colors.
  3. 10. This type of radiation causes chemical bonds to release heat.
  4. 11. ___________ ________ come from hugely energetic events, such as colliding neutron stars.
  5. 12. Lower frequency radiation has much ____________ wavelengths.
  6. 13. Electromagnetic radiation was discovered more than a _____________ ago.
  7. 14. There are __________ groups of the electromagnetic spectrum.
  8. 15. Higher frequency radiation has very _________ wavelengths.
Down
  1. 1. This type of radiation is useful for cooking, because their frequencies can be easily absorbed by the molecules found inside food.
  2. 2. The lowest frequency form of radiation with the longest wavelengths.
  3. 3. The type of radiation that our eyes can detect.
  4. 5. The name given to the collection of all electromagnetic radiation in the universe.
  5. 6. The last form of radiation to be discovered. Discovered by Ernest Rutherford.
  6. 7. Radio waves and _______________, with their long wavelengths, allow scientists to see into dense molecular clouds where stars are born.
  7. 8. This radiation from the sun can be harmful in large quantities.