Background Radiation

• What is background radiation?

  A low level of radiation which is around at all times
• What are the natural sources of background radiation?

  Cosmic Rays

  Rocks

  Living Things
• What are the man-made sources of background radiation?

  X-Rays

  Nuclear Power Stations

  Nuclear Weapons
• Why is an increasing level of background radiation dangerous?

  Links between radiation exposure and cell mutation diseases like cancer