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Where are Fresh water and salt water found on earth.
Terms in this set (37)
Why is water essential for living things?
They need water to grow, reproduce and cary out important processes.
How much of Earth's water is salt ?
97% and it's found in the ocean
How much of Earth's water is fresh ?
3% and most of it is found in huge masses of ice near Earth's poles.
Chemical formula used to represent water's structure.
What does the H2O represent in this formula?
2 hydrogen( H) atoms bonded with one oxygen (O) atom to form a water molecule.
Molecules on surface of water cause a tightness, almost giving water a "skin".
Water is a universal solvent because many substances dissolve in it.
Allows water to move through materials with pores or narrow spaces ( example water traveling up stems to leaves)
Water can change into all states of matter within Earth's temperature range. (solid, liquid, gas)
Process of liquid changing to gas at surface.
Process of gas changing to a liquid.
Continuous process by which water moves through the living and nonliving parts of the environment.
Most takes place over the ocean.
Plants release water to air through leaves.
Clouds form as water vapor cools.
Water droplets in clouds become heavy and fall back to Earth.
Water that fills the spaces in soil and rock layers.
What is the energy source that drives the water cycle?
Where does all fresh water on Earth come from?
What happens when we get fresh water from precipitation ?
Water evaporates immediately(right away) , it soaks into the soil, remaining water(left over water) is runoff or water that flows over the ground surface.
A river and all the streams and land area that supply water to the system.
small streams that flow into a large river
land area that supplies water to the river system.
Ponds and lakes
Water collects in hollows and low-lying areas of land.
Land that is covered with a shallow(not deep) layer of water.
3 types of wetlands are
Marshes, swamps and bogs
Contain a mixture of fresh and salt water examples: salt marshes and mangrove forests
Mass of ice and snow that moves slowly over land. It is 2/3 of Earth's fresh water.
Broken glaciers or glaciers that have calved(split) into the ocean
Water that soaks into the ground between particles of soil and spaces in layers of rock.
Top of a saturated zone ( filled with water)
Layer of rock that holds or stores water.
Man - made hole drilled below the water table in order to obtain groundwater from an aquifer.
Water that flows as runoff over the ground.
Well in water rises because of pressure within an aquifer.
ground water bubbles or flows out of cracks in the rocks.
Water that is forced through narrow(small) passages due to heated gas and steam.
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