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unit 3 CH. 1
Test
Term | Definition |
---|---|
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. |