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6. People living in what location are more likely to get higher levels of background radiation?
- Countryside
- High altitude
- Inner city
7. Half life is the time the amount of what halves?
- Emissions
- Nuclei
- Electrons
8. Which of these particles has a negative charge?
9. When do isotopes emit radiation?
- When they are reacting
- When they decay
- When they are stable
10. What absorbs radiation?
11. What measures radiation?
- Geiger Muller Tube
- Van der Graff Generator
12. If a cell gets damaged by radiation, what happens?
- They multiply into a tumour
- They die
- Nothing
13. What percentage light speed do beta particles travel at?
14. What percentage of background radiation is by natural sources?
15. When did the Rutherford Scattering Experiment take place?
16. Why did some of these particles deflect?
- They repelled the core of the gold atoms
- They bounced off the core of the gold atoms