Across
- 4. a substance made from a chemical reaction
- 7. a chemical reaction between a fuel and oxygen
- 8. how far something is
- 10. useable power such as heat or electricity
Down
- 1. a rearrangement of atoms into new substances
- 2. send into the air
- 3. the basic unit of matter
- 5. the substances that combine in a chemical reaction
- 6. anything having mass and taking up space
- 9. they show variation in data on a graph