Across
- 1. Range of light wavelengths absorbed by pigments
- 3. Outdoor large-scale CO₂ enrichment experiment
- 4. Algae, cyanobacteria, and plants all carry out photosynthesis
- 6. Scientific proposal that must be tested experimentally
- 10. Gas absorbed by plants in photosynthesis
- 12. Variable that is deliberately manipulated in an experiment
- 13. Ratio used to identify pigments in chromatography
- 14. Gas enriched in experiments to predict future photosynthesis rates
- 17. Laboratory method to separate photosynthetic pigments
- 18. Variable that is measured as the outcome of an experiment
Down
- 2. Excited particles in pigments that transfer light energy
- 5. Green pigment essential for capturing light energy in plants
- 7. Process that converts light energy to chemical energy in glucose
- 8. Factor such as CO₂, light, or temperature that can limit photosynthesis
- 9. Simple sugar product of photosynthesis
- 11. Graph showing how different wavelengths drive photosynthesis
- 15. Gas released as a by-product of splitting water in photosynthesis
- 16. Controlled environment for plant growth experiments