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8th Grade - Science
Water Test
| Question | Answer |
|---|---|
| evaporation | turns water into water vapor by absorbing energy |
| buoyancy | fluid force pushes opposite of water. (pushes up against gravity to make object stay afloat) |
| density (formula) | d = m / v |
| eutrophication | nutrient grow algae and kill the pond/lake (ponds dying) |
| watershed | area drained by river and all of its tributaries |
| divide | the spot that splits whether rivers flow east or west |
| aquifer | underground water storage (an underground layer of rock or soil that holds water) |
| tributary | river, stream, creek flowing into a main river (the little streams that run into big river) |
| delta | form oceans, need erosion and a crescent shaped lake is formed when meander changes river flow |
| flood plain | land area that usually floods |
| wetland | land area that is covered with shallow water |
| saturated | soil that can't hold any more water |