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Background Radiation

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  • What is Back Ground Radiation. Arial. Front size 60 down to 60 By George Ellis, White arial and black background.
  • Transcript

    • 1. Ba ckgro und Ra diat ion
    • 2. What is Back Ground Radiation?
    • 3.
      • Background Radiation is all around us.
    • 4.
      • We can do little to avoid it.
      • Most background radiation comes from natural sources .
    • 5. These Natural Sources Are
    • 6. Cosmic Rays
      • Which is radiation that gets to the earth from outer space.
    • 7. Animals
      • Animals to produce natural levels of Radiation
    • 8. Rocks
      • Some rocks give away radioactive radon gas.
    • 9. Soil and Plants
      • The radioactive materials from rocks absorbed by soil and therefore on to plants
    • 10.
      • While most artificial radiation comes from medical examinations such as X-ray photographs.
      Artificial Radiation
    • 11. How Do Rocks Contain Radioactivity
    • 12.
      • Some rocks contain radioactive substances that produce a radioactive gas called radon.
    • 13.
      • The pie chart shows the % of the different sources of background radiation that the public are exposed to.
    • 14.  
    • 15. What Is Radon?
    • 16.
      • Radon is a natural radioactive gas.
    • 17. It comes from an extremely small amount of uranium that is naturally found in all rocks + soil
    • 18. What is Radon Detector?
    • 19. A radon detector is a machine used to detect the presence of radon gas.
    • 20. Facts about Background Radiation
    • 21.
      • Is Radon Present in All
      • Parts of Italy?
    • 22.
      • Yes Radon is present in all parts of Italy, but the gas disperses outside so the levels of radon is normally very low.
    • 23. 2. Is Radon bad in our Lungs
    • 24.
      • The air we breathe also contains small amounts of isotopes which are one of two atoms having the same atomic number but a different mass number.
    • 25. This produces radioactivity in our lungs
    • 26. 3 . Is career conected to background Radiation?
    • 27. There is lots of career connected to B.R. for example; there is lots of physics and science for example
    • 28. They are…
      • Building Materials and Background Radiation
    • 29.
      • Ionizing Radiation
    • 30.
      • Maximum Work Environment Exposure
    • 31. Background Radiation The End