Radiation

4. Gamma radiation is used to _________ medical equipment before surgery to prevent infections.
5. Gamma rays can penetrate almost everything except thick layers of _____.
6. This type of nuclear reaction occurs in all nuclear weapons.
8. All radiation can cause this disease, and help to kill it.
10. Radiation is used as a heating source and generator of electricity for people in ______.
13. The names of the three types of radiation come from the first three letters of the ______ alphabet.
14. When cells are exposed to radiation, their DNA can change and create a _________.
15. This type of nuclear reaction fuses atoms together.
16. Fusion occurs in _______.
17. Gamma rays are the _____ penetrating radiation.
18. This scan uses beta particles to map inside humans.
19. This is a measure of how much a radioactive material will exist over a period of time.
21. The type of radiation represented by β.
23. Another name for a beta particle.

1. This type of nuclear reaction occurs in all nuclear power stations.
2. Fission occurs in these types of power stations and weapons.
3. Radiation exposure is measured in this unit, with the symbol Sv.
4. The americium in a ______________ releases alpha particles that are moved if smoke from a fire is present.
7. The type of radiation represented by α.
8. The _________ nuclear disaster in 1986 released radioactive dust over Europe.
9. The type of radiation represented by γ.
10. The nuclei of an atom is _______ when it does not want to break apart into smaller parts.
11. Alpha particles are the ______ penetrating radiation.
12. The nuclei of an atom is _______ when it want to break apart to become a smaller atom.
15. This type of nuclear reaction breaks atoms apart.
20. The name given to gamma rays when they are used to look inside objects or human beings.
21. Nuclear energy is ______ in Australia.
22. Another name for an alpha particle.