Across
- 3. reactions is a chemical reaction that releases energy as heat.
- 5. complex chemistry in the body
- 7. reaction examples include ripping of paper or melting of ice?
- 11. is the energy needed to start a chemical reaction
- 12. large molecules to small molecules (release energy/ heat)
- 13. A main source of energy for organisms in the form of sugar or starches.
- 14. store long-term energy and form protective barriers
- 15. are complex macromolecules that perform a variety of functions
Down
- 1. reactions that change one substance into another
- 2. are resulting materials at the end of a chemical reaction
- 4. small molecules are built into large molecules (need energy/ heat)
- 6. are starting materials in a chemical reaction
- 8. reaction examples include frying an egg or rusting of metal?
- 9. that transmit genetic information/store directions for making proteins
- 10. reactions is a chemical reaction that absorbs energy.