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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?

  • Gamma
  • Beta
  • Alpha

9. When do isotopes emit radiation?

  • When they are reacting
  • When they decay
  • When they are stable

10. What absorbs radiation?

  • Copper
  • Lead
  • Iron

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?

  • Light speed
  • 50%
  • 5%

14. What percentage of background radiation is by natural sources?

  • 10%
  • 90%
  • 50%

15. When did the Rutherford Scattering Experiment take place?

  • 1909
  • 1809
  • 1990

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