Unit 2 Crossword

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Across
  1. 6. an electromagnetic wave with a wavelength in the range 0.001–0.3 m. Used for heating
  2. 9. a region of the electromagnetic radiation spectrum where wavelengths range from about 700 nanometers (nm) to 1 millimeter (mm). Just outside of visible light
  3. 14. the entire range of wavelengths of electromagnetic radiation
  4. 16. transfer of thermal energy by electromagnetic waves
  5. 17. the rate at which a wave travels
Down
  1. 1. electromagnetic radiation or light having a wavelength greater than 100 nm but less than 400 nm. Also known as UV
  2. 2. A material in which a wave travels
  3. 3. electromagnetic radiation of short wavelength produced when high-speed electrons strike a solid target
  4. 4. an electromagnetic wave of a frequency between about 104 and 1011 or 1012 Hz, as used for long-distance communication. Lowest Energy
  5. 5. The change in direction of a wave as it changes speed in moving from one medium to another
  6. 7. a space entirely devoid of matter
  7. 8. The bouncing of a wave off a surface
  8. 10. The distance between one point on a wave and the nearest point just like it
  9. 11. the shortest wavelength of electromagnetic waves. Highest Energy
  10. 12. The number of wavelengths that pass by a point each second
  11. 13. The transfer of energy from a wave to the medium through which it travels
  12. 15. the portion of the electromagnetic spectrum that is visible to the human eye