Across
- 3. the ability of a system to do work; required for changes to happen within a system
- 6. a substance produced during a chemical reaction
- 7. the movement of elements or molecules through a repeated sequence of events
- 8. a chemical reaction during which plants convert radiant energy from the Sun to chemical energy; the reaction converts carbon dioxide and water into sugar (glucose) and oxygen
- 9. microscopic plants that live in aquatic environments and perform photosynthesis
- 10. an organism that is too small to be seen with the naked eye
Down
- 1. a membrane-bound organelle in plants that is the site of photosynthesis
- 2. the process by which one or more substances change to produce one or more different substances
- 4. a sugar composed of six carbon atoms that is the preferred energy source for most cells; produced by photosynthesis
- 5. a substance that takes part in and undergoes change during a chemical reaction