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unit 3,ch1-3
test 1
| question | answer |
|---|---|
| why is east Ferris running out but west is not.#1 | East Ferris is 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 ground water reservoir. |
| why is east Ferris running out but west is not.#2 | West Ferris receives much more rain than East Ferris. The people of West Ferris do not have to just use water from the groundwater reservoir, they can use water from the rain that falls there. |
| Where is almost 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 than the amount that flows in there area. | decreases |
| people only use what kind of water | freshwater |
| list three things that can cause water shortages | droughts, over use, and population |
| what are three parts of earths systems that we have discussed in this unit. | Biosphere, hydrosphere, and atmosphere |
| How do drops of water form | when enough water vapor gets cold and condenses into liquid water |
| where does 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 molecules are not< >or< >when water changes from gas to liquid or liquid to gas. | created or destroyed |
| for water droplets to form, the water molecules must get< > | cold |
| water vapor can come from any body of water | true |
| the water on earth today is not the same water that was on earth hundreds of years ago. | false |
| Give an example of hydrosphere and atmosphere interacting. | liquid water evaporates to form water vapor in the atmosphere. |
| Give an example of biosphere and hydrosphere interacting. | people using water |
| engineer | someone who uses science knowledge to design something to solve a problem. |
| synthesize | to put together multiple pieces of info in order to understand something. |
| resource | a supply of something that is useful |
| explanation | a description of how something works or why something happens |
| biosphere | all living things |
| hydrosphere | all the water on earth |
| water vapor | water in the form in invisable 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 liquid turns into a gas |
| system | a group of parts that work together |
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