1
2
3
4
5
6
7
8
Across
- 3. A pure substance made of only one type of atom
- 6. The molecule inside cells that carries instructions for life
- 8. A thread-like structure in cells that carries genetic information
Down
- 1. The process of making new living things
- 2. A form of energy that makes things warm
- 4. The wearing away of land by water, wind, or ice
- 5. A tool for measuring temperature
- 7. The smallest piece of matter that makes up everything