1) What type of radiation is stopped by paper or a small amount of air? a) Alpha b) Beta c) Gamma d) X-Ray e) Nuclear 2) Which of these types of radiation is used to treat cancerous cells? a) Alpha b) Beta c) Gamma 3) Which of these types of radiation is used in smoke alarms? a) Alpha b) Beta c) Gamma d) X-Ray 4) Which of these is the most ionizing? (It has the most power to knock electrons out of their shells). a) Alpha b) Beta c) Gamma d) X-Rays 5) Which of these is an electron? a) Alpha b) Beta c) Gamma d) X-Rays 6) Which of these is an electromagnetic wave? a) Alpha b) Beta c) Gamma 7) Which of these is a helium nucleus? a) Alpha b) Beta c) Gamma d) X-Ray 8) Which of these is the most dangerous if a source were to get inside our body? a) Alpha b) Beta c) Gamma 9) Which one of these is used to sterilise food? (Hint: Think about which is least dangerous inside your body). a) Alpha b) Beta c) Gamma 10) True/False: Gamma radiation is all around us, as most things are mildly radioactive. a) True b) False

y11 summary quiz

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