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un 3 chpt 1&2 study
test
Question | Answer |
---|---|
Why is East Ferris out of water, but West Ferris is not? | East Ferris running out of water because they are using more water than is going into the groundwater reservoir. East Ferris does not receive much rain and therefore has to rely on the water in the groundwater reservoir. West Ferris receives much more |
Why is East Ferris out of water, but West Ferris is not running out of water. | rain than East Ferris. The people of West Ferris do not have to use water just from the groundwater reservoir, they can use water from the rain that falls there. |
where is almost all of Earth's water? | in the ocean |
where is most freshwater? | frozen in glaciers |
people only use what kind of water? | freshwater |
for water droplets to form, the water molecules must get _________ | cold |
the amount of available freshwater _________________ when people use more that the amount that flows into their area | decreases |
list 3 things that can cause water shortages? | droughts, overuse, and pollution |
what are 3 parts of earth's system that we have discussed in this unit. | biosphere hydrosphere atmosphere |
how do drops of of water form? | when enough water vapor gets cold and condenses into liquid water |
where does water molecules in the states of matter spaced. | gas molecules are very spared out and move fast, liquids molecules and move slow solid molecules are very tightly packed and dont move |
water macules are not _________ or _______________ when water changes from gas to liquid or liquid to gas. | created, destroyed |
true or false water vapor can come from any body of water that was on earth hundreds of years ago. | true |
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 or why something happens |
biosphere | all living things on earth |
hydrosphere | all of the water on earth |
water vapor | water in the form of invisible gas |
atmosphere | the air that surrounds earth |
condensation | when a gas turns into a liquid |
molecules | a group of atoms joined in a particular way |
evaporation | when a liquid turns into a gas |
system | a group of parts that work together |