Across
- 4. one or more substances changes to create different substances
- 5. A chemical reaction where plants produce sugar and oxygen
- 7. a sugar produced during photosynthesis
Down
- 1. the movement of carbon through a repeated series of events
- 2. an organelle that is where photosynthesis takes place
- 3. substance that takes part in and changes during a chemical reaction
- 5. substance produced during a chemical reaction
- 6. the ability of a system to do work, required for changes within a system