| Hint | Answer |
| A positive subatomic particle in an atomic nucleus ... | |
| A neutral subatomic particle in an atomic nucleus ... | |
| The first person to split an atom ... | |
| The process of splitting an atom ... | |
| The process of combining two atoms into one ... | |
| One of two primary elements used in nuclear power ... | |
| The World War II attempt to develop an atomic weapon ... | |
| The U.S. nuclear power plant which had a meltdown in 1979 ... | |
| The Soviet Union nuclear power plant which exploded in 1986 ... | |
| The group that wants to regulate nuclear power ... | |