| Term | Definition |
|---|---|
| Atom | The basic building block of the universe. More than one of these forms a molecule. |
| Molecule | A group of atoms that are held together by chemical bonds. |
| Carbon, Oxygen, Hydrogen | Three atoms that are necessary to carry out life processes. |
| Carbon Dioxide (CO2) | A gas that plants breathe in. This gas is a reactant in photosynthesis and a product of cellular respiration. |
| Carbohydrate | Types of molecules that include sugars, starches, and fiber. |
| Chlorophyll | A green pigment that captures light energy for photosynthesis. |
| Glucose | A molecule of sugar that is a product of photosynthesis and a reactant in cellular respiration. |
| Fossil Fuel | Formed from decomposing plants and animals. |
| Chloroplast | An organelle found in plants and algae where photosynthesis takes place. |
| Mitochondria | An organelle in Eukaryotic cells where cellular respiration occurs. |
| Carbon Cycle | The movement of carbon from the nonliving environment into the living environment and back. |
| Combustion | The process of burning something |
| Consumption | The using up of something. |
| Decomposition | The breakdown of the remains of dead organisms or animals wastes. |
| Law of Conservation of Mass | Mass can not be created or destroyed. |
| Law of Conservation of Energy | Energy can not be created or destroyed. |
| Energy | The capacity to do work. |
| Mass | The measure of how much matter is in an object. |
| Matter | Anything that has mass and takes up space. |
| Reservoir | A body of water used as a water supply. |
| Reactants | What goes into a reaction; the inputs. |
| Products | What come out of the reaction; the outputs. |
