Across
- 3. how much matter a substance contains
- 4. standard international unit of measure for temperature
- 6. new substance formed by a chemical reaction
- 8. tool used to measure the mass of matter
- 9. chemical reaction absorbing energy from the surroundings
- 10. chemical reaction that gives off energy
Down
- 1. objects that float in water or other fluids
- 2. substance with a density of 1
- 5. how much space matter takes up
- 7. substance that is being changed in a chemical reaction