Across
- 4. green plants and other organisms transform light energy into chemical energy
- 5. a sugar made during photosynthesis
- 7. dioxide colourless, odourless gas produced by burning carbon and organic compounds
Down
- 1. needs warm but cold weather to work
- 2. the steps in photosynthesis is used to make sugar
- 3. photosynthesis needs water and...
- 6. tiny openings or pores that enable gaseous exchange