| Term | Definition |
| organism | a living plant or animal |
| environment | everything that surrounds and influences (changes) an organism |
| terrestrial | earth like, belonging to the earth |
| germinate | the beginning process of a seed becoming a plant |
| leaves | main food making part of the plant |
| stems | supports leaves and flowers |
| roots | anchor the plant and store/absorb water and minerals |
| photosynthesis | the process of turning carbon dioxide, sun, and water into food |
| chlorophyll | the green material in plants that capture energy from the sun |
| controlled experiment | a set of compared investigations in which one variable is changed by steps while all others are controlled stay the same |
| optimum | the conditions most favorable to growth and development |
| tolerance | the ability of an organism to survive under a set of conditions |
| variable | any factor that may affect the outcome of an experiment |
| 5 things plants must have to grow | sun, water, nutrients, carbon dioxide, space |
| Why did we plant terrariums? | to learn how plants grow |
| Why is observing such an important part of the scientific method? | observing helps us learn! |
| Why is it important for a scientist to record their procedures, observations, and results? | so other scientists can repeat your experiment |