1
2
3
4
5
6
Across
- 1. All the chemical processes in your body that keep you alive
- 6. A material that electricity or heat can pass through easily
Down
- 2. Two or more substances mixed together but not chemically joined
- 3. A sample of something used for study
- 4. The steps followed to do an experiment
- 5. The part of an experiment that stays the same for comparison