S2 electromagnetism

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Across
  1. 2. This type of radiation passes through most materials easily but is mostly absorbed by lead
  2. 6. Used for communication and TV
  3. 7. A circuit with only one loop
  4. 10. Units of current
  5. 12. Microwaves can do this to your food
  6. 14. used to detect broken bones
  7. 15. The length of one wave
  8. 18. the unit of measurement of frequency
  9. 20. A coil of wire around an iron core
  10. 21. 2 North or 2 South poles do this
  11. 22. A circuit with multiple loops
  12. 23. the types of radiation that makes chemical fluoresce on bank notes
Down
  1. 1. The colour photographic film turns when x-rays hit it
  2. 3. The force produced by magnets
  3. 4. Magnetic field lines always point from North to….
  4. 5. Infrared is used in this technology to find people in the dark
  5. 8. If you spend too long in the Sun you might get this from the ultraviolet radiation
  6. 9. Units of voltage
  7. 11. The number of waves passing a point in one second
  8. 13. North and south poles do this
  9. 16. Equipment used to measure current
  10. 17. Equipment used to measure voltage
  11. 19. Made up of 2 or more cells