Across
- 1. a typical star that is the source of light and heat for the plants in the solar system
- 2. the green pigment found in plant cells, essential to photosynthesis
- 3. plastid containing chlorophyll and other pigments in plants that carry out photosynthesis
- 7. a process used by plants and other organism to convert light energy
Down
- 1. the rays of the sun
- 2. a heavy, colorless, odorless gas
- 4. energy energy that you can actually see directly
- 5. a sweat crystalline substance found in plants: your body uses to store energy
- 6. plants, something that produce their own food
- 8. colorless and odorless gas that people need to breath
