| A | B |
| Adenosine Triphosphate (ATP) | Usable energy for cells. |
| Cellular Respiration | Process of releasing energy from food. |
| Energy | Ability to do work (life processes). |
| Metabolism | All the chemical reactions in the body. |
| Photosynthesis | The process of turning light energy into usable energy. |
| Thermodynamics | The study of energy. |
| Calvin Cycle | Step of photosynthesis that makes glucose. |
| Granum | Stack of thylakoids. |
| NADP+ | Energy carrying molecule. |
| Pigment | Light aborbing color. |
| Stroma | The space inside the chloroplast. |
| Thylakoid | Part of the chloroplast that contains the chlorophyll. |