| A | B |
| Biome | Large land and water systems with specific climate conditions and common characteristics |
| Ecosystem | A community of living and non-living things |
| Habitat | The natural home or environment of an animal, plant, or other organism |
| Population | Living things of the same species |
| Community | A group of different organisms all living int he same ecosystem |
| Water | H20 |
| Properties of water | clear, colorless, odorless, tasteless |
| Three forms of water | Ice, Liquid, Vapor |
| Evaporation | When liquid water turns into vapor |
| Transpiration | When plants pull water up through their leaves and release it as water vapor |
| Respiration | When animals breath out water vapor |
| Condensation | When water goes from the vapor form to the liquid form |
| Precipitation | When clouds become too heavy and release their water |
| Collection | When water precipitation falls into a pond, lake, or ocean |
| Run-off | When precipitatin falls into a river or stream |
| Ground Water | When precipitation is soaked up by the soil |