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unit 3 CH. 1

Test

TermDefinition
East East ferris is running out of water because they are using more water than is going into the groundwater reservoir.
West West ferris receives much more rain than east ferris.
where is all of earths water in the ocean
where is most of earths freshwater. frozen in glaciers.
the amount of available freshwater____ when people use more tan the amount that flows in their area. decreases
people only use what kind of water? freshwater
list three things that can cause water shortags. droughts, overuse, pollution
what are three parts of earths system that we have discussed in this unit, biosphere, hydrosphere, atmosphere
How do drops of water vapor in the air come from. Liquid water that has evaporated.
how are water molecules in the states of matter spaced. Gas molecules are very spread out and move fast, liquid molecules are a little spaced out and move slow, solid molecules are very tightly packed and don't move.
water are not _____ or _____ when water changes from gas to a liquid or liquid to gas. created, destroyed.
for water droplets to form, the water molecules must get ___ cold
true or false. water vapor can come from any body of water. true.
true or false. the water on earth today is not the same water that was on earth hundreds of years ago. false
engineer someone who uses science knowledge to design something to solve a problem.
Synthesize to put together multiple pieces of information in order to understand something.
Resources a supply of something that is useful.
Explanation a description of how something works or why something happens .
Biosphere all living things on earth.
hydrosphere all of water in the form of invisible gas.
atmosphere the air that surrounds earth.
condensation when a gas turns into a liquid.
molecule a group of atoms joined together in a particular way.
Evaporation when a liquid turns into a gas.
System a group of parts that work together.
Created by: ckidder
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