11.03 Nuclear Radiation (2)

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Across
  1. 3. The alpha particles condense the alcohol vapour in the _________ chamber to produce visible tracks
  2. 4. The radiation from the environment around us is known as ______________ radiation.
  3. 7. The greater the intensity and the longer the ___________ time, the greater the risk of harm from nuclear radiation.
  4. 9. Nuclear radiation can cause __________ in human cells due to the upset of chemical instructions
  5. 10. Radioactive _______ and dust are dangerous because they can be inhaled or taken into our body through food and drink.
Down
  1. 1. _____________ radiation is the most harmful within a human body because it is the most ionising.
  2. 2. In some areas, most background radiation comes from radioactive _________ gas seeping out of rocks.
  3. 5. This device is connected to the GM tube to provide the nuclear particle counts per second.
  4. 6. The GM _________ is a device for detecting nuclear radiation.
  5. 8. ___________ radiation is the most harmful outside the body because it can penetrate through our skins into our organs.