Across
- 2. change in which new substances produced
- 5. chemical made of amino acids to repair cells
- 7. atoms that have lost or gained electrons
- 9. smallest unit with all properties of substance
- 10. a unit for measuring temperature
- 11. chemical reaction that produce light and heat
Down
- 1. sets freezing at 32°, boiling point 212°
- 2. sets 0 freezing and 100 boiling point
- 3. sugar and starch - chemical energy
- 4. reaction that breaks down chemicals
- 6. chemical transformation or change
- 8. degree of hotness or coldness