Nuclear energy

5. Uranium-238 is stacked into fuel ____ to be used in power plants.
8. The ______ of uranium is dangerous.
9. This many neutrons fly out after a fission reaction.
11. One of these gets shot into a large nucleus to begin fission.
12. If it happens with fission in a nuclear power plant, it could be disastrous.
13. The waste produced by power plants is difficult to _____ of.
16. Produced during certain radioactive decay. Its symbol looks like a lowercase v with a line above it.
18. Used in fusion; this is an isotope of hydrogen with a mass number of 2.
20. Fission and fusion both produce this.
22. The largest particle that can result from radioactive decay. It is the least dangerous and is stopped by paper. It takes the form of helium-4.
23. The time it takes for half of a nuclear sample to decay.

1. When a neutron is shot into a large nucleus, breaking it into 2 smaller ones and 3 neutrons. This process powers nuclear power plants.
2. When 2 lighter nuclei combine to make a bigger one. This process occurs in stars.
3. Produced during certain radioactive decay. Its symbol looks like a lowercase v.
4. Produced in fission and has 36 protons.
5. A drawback to using uranium-238, it does not have this property.
6. The most commonly used element used to power nuclear power plants.
7. The smallest particle that can result from radioactive decay. It is somewhat dangerous and is stopped by wood. It takes the form of an electron.
10. Uranium is in the ____ series on the periodic table.
12. A very famous nuclear power plant disaster that spread tons of radioactivity across Europe.
14. The only product of radioactive decay that is a ray and not a particle. Is the most dangerous and can be stopped by lead or concrete.
15. Produced in fusion along with energy and a neutron
17. Used in fusion; this is an isotope of hydrogen with a mass number of 3.
19. Produced in fission and has 56 protons.
21. This spins turbines in power plants.