S2 Electromagnetic Spectrum

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