Across
- 2. to focus
- 3. something that costs a lot
- 6. a study of geological places
- 7. the word for splitting something into 2 or more
- 9. multiple of a nucleus
- 10. a type of energy involving heat
Down
- 1. a unit of energy
- 4. a type of energy including the splitting of atoms
- 5. energy involved with water
- 8. energy of the sun