1
2
3
4
5
6
7
Across
- 2. A hard solid piece of the Earth made of minerals
- 4. A form of energy that allows us to see
- 5. When a gas cools and turns back into a liquid
- 6. A thread-like structure in cells that carries genetic information
- 7. Two or more atoms joined together
Down
- 1. The path water takes as it moves between Earth and sky
- 2. The process of making new living things
- 3. A tiny particle of light energy