Across
- 2. occurs when light passes outward through space without
- 4. electrons move from one bit to another atom
- 6. when a chemical reaction takes in energy
- 8. Resources that people use up faster than nature can replace them
- 10. energy coming from the nucleus of the atom
- 12. when heat rises up
- 13. when heat transfers due to contact
Down
- 1. energy that is stored
- 3. resources that can be replaced by natural processes
- 5. when a chemical reaction gives off energy
- 7. energy in the form of motion
- 9. is energy from the vibrations of atoms
- 11. changing energy levels in an atom