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Hydrosphere and Bios
3.1 Hydrosphere and Biosphere Interactions 5th grade
| Term | Definition |
|---|---|
| hydrosphere | all of the water on, under, and above the Earth |
| biosphere | that part of Earth in which life can exist |
| ecosystems | An ecosystem is a community of living things (including plants, animals, and people), the environment that surrounds them (including soil, water, and air), and how they interact. |
| ocean ecosystem (oceans) | a large body of salt water that covers most of Earth occurring in large low areas; very deep saltwater, very cold temperatures at the bottom layer, and rough currents; is large enough to contain many ecosystems |
| estuary ecosystem (estuaries) | a coastal body of water where fresh water from a river mixes with salt water from the ocean; were river basins before they flooded |
| salinity | the total quantity of dissolved salts in water; how much salt is present |
| wetlands | an area of land where there is water on the surface or where the soil is completely filled with water for at least part of the year; will form at the edge of water where the water is shallow |
| tundra | extremely cold climate located near the North and South Poles and on the tops of mountains; receives very little precipitation and has no trees |
| grassland | an area of land covered mostly with grass with few bushes or trees |
| water ecosystem | rivers, streams, ponds, lakes, marshes, estuaries, and oceans |
| current | the movement of electric charges through a material; the speed at which electric charges move through a material; the movement of liquid through a passageway or through another other liquid |
| lakes | large, and often deep, inland bodies of fresh standing water |
| rainforest | a forest that is humid and rainy for much of a year |
| oceans on Earth | there are 5: The Arctic Ocean, the Southern Ocean, the Indian Ocean, the Atlantic Ocean, the Pacific Ocean |
| atmosphere | layers of gas that surround a planet |
| geosphere | Earth's crust, both beneath the oceans and continents, as well as the mantle and inner and outer core |
| intertidal zone | shallow area along the ocean between the high tide and the low tide |
| abyssal zone | the zone of deep ocean below a depth of 4000 meters |
| brackish | mixture of salt and freshwater |
| biomes | all regions of the world with similar climates, plant and animals |
Created by:
ledee.workman
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