S2 Electromagnetic Spectrum

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Across
  1. 2. The number of waves passing a point in one second
  2. 6. If you spend too long in the Sun you might get this from the ultraviolet radiation
  3. 8. This type of radiation help scientists learn about the Big Bang and the early Universe
  4. 12. The types of radiation that makes chemical fluoresce on bank notes
  5. 14. This type of radiation passes through most materials easily but is mostly absorbed by lead
Down
  1. 1. Microwaves can do this to your food
  2. 3. Infrared is used in this technology to find people in the dark
  3. 4. Another name for heat
  4. 5. Used to detect broken bones
  5. 7. In medicine, this uses gamma to find out whether body organs are doing their job properly
  6. 9. The unit of measurement of frequency
  7. 10. The length of one wave
  8. 11. The colour photographic film turns when x-rays hit it
  9. 13. Used for communication and TV