Across
- 3. A green pigment responsible for the absorption of light that provides energy for photosynthesis.
- 6. Gas absorbed from the air by plants in photosynthesis.
- 7. Plants consume carbon dioxide and ________ is released.
- 8. ________ energy is emitted by the sun.
- 10. Colored chemicals that plants make to respond to light.
Down
- 1. Plant pigment that plants use to measure the length of the day.
- 2. Carotenoid reflects _______ and orange light.
- 4. Anthocyanin reflects ______ light.
- 5. The process that plants use to make food.
- 9. __________ is composed of a spectrum of all the colors of the rainbow.