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23 Cards in this Set
- Front
- Back
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water cycle |
The continual movement of water between the oceans,land,and atmosphere. |
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evaporation |
The process of changing state from a liquid to a gas. |
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melting |
The process of changing state from a solid to a liquid. |
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condensation |
The process of changing state from a gas to a liquid. |
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freezing point |
The temperature at which a liquid becomes a solid as heat is removed. |
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solidification |
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deposition |
The change in state of a substance from gas directly to solid without forming a liquid. |
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sublimation |
The process of changing state from a solid to a gas without going through the liquid stage. |
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hydrologist |
A scientist who studies Earth's water systems and helps find solutions to problems related to water quality and quantity. |
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oceanographers |
A scientist who studies oceans. |
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salinity |
A measure of the amount of salts dissolved in a liquid. |
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density |
The mass of a given volume. |
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run-off |
Water that is not absorbed immediately by Earth's surface but flows downhill over the land and buildings and into water bodies and sewers. |
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gravity |
The attractive force between objects; the force that causes objects to be pulled toward the centre of Earth. |
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drainage basin |
The area of land on which precipitation falls and drains into a common river, also called a watershed. |
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ground water |
The water that has seeped into the ground from the surface of Earth. |
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aquifer |
An underground layer of porous rock through which water can flow quite easily. |
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reservoir |
A large natural or artificial lake or holding pond used to collect and store water for human use. |
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water table |
In the ground, the level beneath which porous rocks are filled with water. |
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glacier |
A large moving mass of compressed ice and snow. |
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iceberg |
A large chunk of ice that breaks off a glacier into the ocean. |
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crevasse |
Deep crack that forms in a glacier. |
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sinkholes |
A large circular depression in the ground caused by the collapse of an underground cave. |
