Across
- 3. when atoms do not enter or leave the system
- 4. when two or more substances have an effect upon one another
- 5. substance made by a chemical reaction
- 7. rainwater that has certain substances mixed in as factories burn coal
- 9. starting substance in a chemical reaction
Down
- 1. the amount of space something takes up
- 2. the amount of matter in a substance
- 3. a test where only one variable is changed at a time
- 6. the mass in a set volume of a substance
- 8. an independent variable