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The hydrosphere
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Provides the heat for the water cycle to occur
The sun
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What do living beings do to regulate body temperature?
Sweat
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What two types of water is the Earth made up of?
Salt water and fresh water
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Salinity refers to what?
the level of salt found in water
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What is the water that we use in our homes called?
domestic water
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What percentage of the hydrosphere does the ocean have?
97%
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what is the chemical formula for water?
H2O
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This makes up all the water on the planet.
hydrosphere
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In which states can we find water in our planet?
solid, liquid and gaseous
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Where are glaciers found?
Most of them can be found in polar regions and some in mountain regions
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A large natural stream of water flowing to the oceans and lakes.
river
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Define groundwater
water located beneath the ground.
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What is runoff in the water cycle?
Runoff is precipitation that cannot be absorbed by soil, and thus instead of going into the ground the water flows over the surface
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What happens during precipitation?
Water returns to the Earth's surface as rain, snow or hail
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What is inflitration?
It is the surface water that penetrates into the ground
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Clouds form during what step of the water cycle?
Condensation
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The change of liquid water to water vapour is called
evaporation
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What percent of Earth's water is suitable for drinking?
1%
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Only _____ percent of all water on Earth is fresh water.
3%
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A large, thick mass of ice that stays frozen from one year to the next and has the ability to move.
Glacier
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Where is most of earth's fresh water found?
ice and glaciers, and groundwater
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Define aquifer
Large stores of fresh water in soil below the Earth’s surface
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