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| 9670452603 | Isotope | two atoms of the same element with different numbers of neutrons | 0 | |
| 9670452604 | Radioactive isotope | An atom with too many protons or neutrons that spontaneously emits particles from its nucleus | 1 | |
| 9670452605 | Alpha particles | Type of radioactive decay, is a helium nuclei, stopped by skin | 2 | |
| 9670452606 | Beta particles | Type of radioactive decay, electrons stopped by clothing, glass, or aluminum | 3 | |
| 9670452607 | Gamma rays | Type of radioactive decay, the most harmful type of energy, electromagnetic radiation that can go through the body, several centimeters of lead or a meter of concrete | 4 | |
| 9670452608 | Absorbed Dose | The amount of energy absorbed by a person (measured in grays) | 5 | |
| 9670452609 | Half-life | Time it takes for half of a radioactive substance to decay | 6 | |
| 9670452610 | Hot isotope | Has a short half-life, is an immediate/serious threat, and decays into a stable element sooner | 7 | |
| 9670452611 | Cold isotope | Has a long half-life, is a non-immediate threat, and has a long term storage problem | 8 | |
| 9670452612 | How radiation creates free radicals | Ionizing radiation damages cells by stealing electrons from their atoms which creates free radicals-turns them into ions | 9 | |
| 9670452613 | Three ways radiation exposure effects human health | Massive cell death, genetic mutations, cancers | 10 | |
| 9670452614 | Radiation risk assessment | The type of energy, how long the half-life is, the phase or state it is in, and its daughter isotopes | 11 | |
| 9670452615 | the worst phase or state of radioactive energy | Gas | 12 | |
| 9670452616 | the worst daughter isotopes | radioactive | 13 | |
| 9670452617 | Fission | Splitting an atom with a neutron | 14 | |
| 9670452618 | Names of radioactive isotopes that can be split | U-235 and Pu-239 | 15 | |
| 9670452619 | radioactive isotope that cannot be split | U-238 | 16 | |
| 9670452620 | How is fission in a nuclear bomb different than fission in a nuclear power plant? | In a bomb, the chain reaction is not controlled | 17 | |
| 9670452621 | Boiling water reactor | In this reactor, the same loop serves as a moderator, coolant for the core, and a steam source for the turbine. Has 1 loop |  | 18 |
| 9670452622 | Pressurized water reactor | In this reactor, the water which flows through the reactor core is isolated from the turbine. Has 2 loops |  | 19 |
| 9670452623 | Liquid metal fast breeder reactor | In this reactor, a fission reaction occurs that produces heat to run a turbine while at the same time breeding plutonium for the reaction. Has 3 loops |  | 20 |
| 9670452624 | Nuclear Fuel Cycle | Mining and Milling, Conversion, Enrichment, Fuel Fabrication, Nuclear Power Station, Storage, Reprocessing, Vitrification, Final Disposal | 21 | |
| 9670452625 | Why is nuclear power neither cheap nor fossil free? | Processing ore into concentrated fuel uses huge amounts of FFs. Processing/transport/long term storage also uses FFs and is dangerous and expensive. The governments around the planet have also spent billions on nuclear clean up. | 22 | |
| 9670452626 | Thermal pollution | heating of water reduces O2 levels in lakes, rivers, and the ocean | 23 | |
| 9670452627 | Three Mile Island | This nuclear accident was a partial meltdown and vented waste into the air. Happened in Harrisburg, PA ,1979. | 24 | |
| 9670452628 | Chernobyl | In this nuclear accident the reactor blew up and resulted in a full meltdown. | 25 | |
| 9670452629 | Chernobyl Exclusion Zone | The 1000 square miles in Ukraine around the nuclear reactor that no one is allowed to live within. | 26 | |
| 9670452630 | Fukushima Daiichi | This nuclear accident was a partial meltdown with a massive release of fallout and contaminated seawater. | 27 | |
| 9670452631 | decommissioning | The process of dismantling and burying nuclear power plants. Although, Nuclear power plants last 20-30 years and are highly radioactive at the end of their lives and before they can be decommissioned you have to wait 100 years. This is costly for future generations. | 28 | |
| 9670452632 | High level waste and location | Fuel rods are this and are supposed to be stored in Yucca Mountain. | 29 | |
| 9670452633 | Low level waste and location | Gloves count as this kind of waste and they are located in Washington, South Carolina, and Nevada | 30 | |
| 9670452634 | Yucca Mountain | The mountain that the government wants to store high level nuclear waste in, but it has not been completed because Nevada does not want it in their "backyard". | 31 | |
| 9670452635 | Fusion | Nuclear reaction in which two or more atomic nuclei collide at a very high speed to form a new type of atomic nucleus. The same process as in stars. | 32 |
