| A | B |
| visible spectrum | The range of colors that make up white light |
| wavelengths | the distance between one wave crest and the next |
| absorbtion spectrum | the wavelengths that are absorbed by chlorophyll |
| caroteniods | pigments that absorb green and yellow light |
| thylakoid membrane | a molecule of the chloroplasts |
| stroma | where sugars are synthesized |
| Grana | stacks of thylakoid membranes |
| light reactions | a series of changes that turn light into energy |
| calvin cycle | the process of synthesizing sugars |
| chlorophyll | the green liquid that changes light into energy |