science crossword

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Across
  1. 3. To see or image something without actually seeing it.
  2. 5. The earths ______ is flipped.
  3. 6. To pass something on from one place or person to another.
  4. 8. The distance between crest in a wave.
  5. 13. The thing that makes things visible.
  6. 14. Is made up of all the colors of the rainbow.
  7. 15. Disturbances in space and time.
  8. 18. The colors that make black. Are made up of the primary colors.
  9. 20. To soak something up or take something in.
Down
  1. 1. The waves that heat food in a microwave
  2. 2. Relating to or using signals or information represented by a continuously variable physical quantity such as spatial position.
  3. 4. The bending of light rays.
  4. 7. waves that require a medium in order to transfer energy away from their source.
  5. 9. To produce or discharge something.
  6. 10. The rate at which something occurs or is repeated over a particular period of time or in a given sample.
  7. 11. The source of the thing that makes things visible.
  8. 12. The first letters of the three colors of all the colors on a digital device.
  9. 16. To push something back to where it came from.
  10. 17. The most dangerous thing on the electro magnetic spectrum.
  11. 19. A piece of glass or other transparent material cut with precise angles and plane faces, useful for analyzing and reflecting light.