Across
- 2. A process that absorbs heat
- 6. Is in the lithosphere and is divided into plates
- 7. Anything that has mass and takes up space
- 8. The thing that undergoes a change during a reaction
- 9. Chemical reactions in the body that produce energy from food
Down
- 1. A process that releases heat
- 3. Symbols and chemical formulas written to represent a reaction
- 4. The thing that is produced during a reaction
- 5. Physical and chemical characteristics
- 10. A measure of how much matter is in a substance