Across
- 2. The thing we DON'T breathe out.
- 3. We need this to live, so do plants.
- 5. A cells power/control center.
- 7. The name of the thing we DON'T breathe in.
- 9. The name of the thing in sweets.
Down
- 1. The process that plants go through ALL the time.
- 4. Something you will find in a sewer.
- 6. The thing we do to keep things the same.
- 7. A gooey green substance that traps light energy.
- 8. Little do you know, you're doing this right now!