Across
- 1. Process by which nitrogen is converted to many chemical forms in the atmosphere, land, and sea.
- 3. The ability to do work.
- 5. The energy that results from splitting atoms.
- 6. Absorbs water from the land and sea, and causes rain.
- 7. When a liquid turns into gas.
- 9. When a gas turns into a liquid.
Down
- 2. The energy stored on the chemical bonds of molecules, which is released during a chemical reaction.
- 4. The trapping of energy on Earth, resulting in a warmer planet.
- 8. The source of all energy on Earth.
