Across
- 3. a group of atoms bonded together
- 5. a substance that is part of a reaction
- 10. green stuff needed for photosynthesis
- 11. aka blue-green algae
- 12. where chemical energy is stored
- 14. cycle that is a sequence of reactions in cellular respiration
- 15. photosynthetic aquatic microorganism
Down
- 1. needed to sustain life; 2 hydrogens and 1 oxygen
- 2. living things too small to be seen
- 3. power house where cellular respiration happens
- 4. small holes absorb carbon dioxide
- 6. uses photosynthesis to make its own food
- 7. a substance formed after a reaction occurs
- 8. organelle that contains chlorophyll
- 9. part of a cell with a specific function
- 13. chemical reaction combines CO2, H2O, and sun