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chaptrer 8 Earth's Water
ocean movement, water cycle, movement of water
20
Science
4th Grade
01/27/2011

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Term
ice cap
Definition
thick sheet of ice covering a large area of land
Term
water table
Definition
the upper area of groundwater
Term
wave
Definition
the up and down movement of water
Term
irrigation
Definition
a way of getting water into the soil by artificial means
Term
groundwater
Definition
water stored in the cracks and spaces of underground rock
Term
Where is more freshwater found than in all of Earth's rivers and lakes?
Definition
groundwater
Term
filtration
Definition
passing a liquid through materials that remove impurities
Term
cloud
Definition
tiny drops of condensed water in the atmosphere
Term
water vapor
Definition
water in a gas state
Term
tide
Definition
the rise and fall of ocean water levels that is effected by the pull of gravity between the moon, Earth, and Sun.
Term
precipitation
Definition
water in the atmosphere that falls to Earth
Term
What happens when particles of water evaporate?
Definition
The water particles absorb heat energy.
Term
Where is fresh water found?
Definition
Fresh water is found in lakes, streams, and rivers, as well as in the gorund.
Term
What is an estuary?
Definition
An estuary is where fresh and salt water meet.
Term
Fixing leaky faucets and taking shorter showers are two methods of what?
Definition
They are two methods of water conservation.
Term
What are the main sources of pollution?
Definition
The main sources of pollution are waste from indstries, farming, and humans.
Term
What are the four types of precipitation?
Definition
Four types of precipitation are rain, sleet, snow, and hail.
Term
Where must the bottom of a well be for it to produce water?
Definition
For a well to produce water, its bottom must be below the water table.
Term
Name the parts of the water cycle and what happens in each stage.
Definition
The sun's energy causes water to turn from a liquid to a gas which is evaporation, then the water vapor loses heat turning back into a liquid causing condensation, creating clouds, and then the droplets become too heavy and gravity pulls them back to the ground which is called precipitation.
Term
What causes a beach to be smaller?
Definition
WAter moves against the shore and wears away the land, carrying out into the water, causing erosion.
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