2. 1. What is ionising radiation? 1.Radiation which detaches electrons 2.Radiation which fuses iron nuclei 3.Radiation emitted by the moon Io 4.Radiation used in dry cleaners to iron shirts

3. 2. Which is not a type of ionising radiation? 1.Gamma radiation 2.X-ray 3.Ultra-violet 4.Infra-red

4. 3. What is an alpha particle? 1.An electron 2.A positive electron 3.A helium nucleus 4.A hydrogen atom

5. 4. What is the odd radiation out? 1.Alpha 2.Beta 3.Gamma 4.Neutron

6. 5. What type of radiation is most penetrating? 1.Alpha 2.Beta 3.Gamma 4.Neutron

7. 6. What is the relative charge of beta radiation? 1.0 2.+4 3.+2 4.-1

8. 7. What radiation is the most ionising? 1.Alpha 2.Beta 3.Gamma 4.Neutrino

9. 8. Which is not a beneficial use of ionising radiation? 1.Nuclear reactors 2.Food sterilisation 3.Smoke detectors 4.Cosmic ray exposure

10. 9. What is the unit of absorbed dose of ionising radiation? 1.Sievert 2.Gray 3.Rayner 4.Einstein

11. 10. What particles are not present in the nucleus? 1.Proton 2.Neutron 3.Electrons 4.Gluons

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13. 11. What happens to the nucleon number of an atom during alpha decay? 1.Increases by 1 2.Increases by 2 3.Decreases by 2 4.Decreases by 4

14. 12. What happens to the proton number during beta decay? 1.Increases by 1 2.Increases by 2 3.Decreases by 2 4.Decreases by 4

15. 13.What is the difference between isotopes of the same element? 1.The number of protons 2.The number of electrons 3.The number of neutrons 4.The number of atoms

16. 14. What is half-life? 1.The time taken for half a sample to decay 2.The greatest video game series of all time 3.The time taken for a sample to decay 4.The time taken for a sample to decay in half the time

17. 15. What is nuclear fission? 1.Nuclei join together 2.Nuclei split apart 3.Nuclei formation 4.Nuclei oscillation

18. 16. What is nuclear fusion? 1.Nuclei join together 2.Nuclei split apart 3.Nuclei formation 4.Nuclei oscillation

19. 17. What is ‘probability x consequence’ 1.Risk 2.Reward 3.Safety 4.Value

20. 18. What isotope of uranium is used for nuclear fission? 1.234 2.235 3.236 4.237

21. 19. What must neutrons be to be captured in nuclear fission? 1.Fast 2.Energetic 3.Slow 4.Vibrating

22. 20. What process powers the sun? 1.Fusion 2.Fission 3.Emission 4.Tomography

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