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unit 3
CHAPTER`1 ,2 and 3
| words | definition |
|---|---|
| Engineer | someone who uses science knowledge to design something to solve a problem |
| syhnthesize | to put together multiple pieces of information on order to understand something |
| Resource | a supply of something that is useful |
| Explanation | a description of how something works or why somethings happens |
| Biosphere | all living things on earth |
| hydrosphere | all of the water on earth |
| water vapor | water in a form of invisible gas |
| atmosphere | the air that surrounds the earth |
| condensation | when 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 |
| where is most of the water? | in the ocean |
| where is most of earth freshwater ? | frozen in glaciers |
| the amount of available freshwater decreases when people uses more than the amount the flows in their area | nothing |
| people only use what type of water? | freshwater |
| list three things that cause water shortages? | droughts overuse and pollution |
| what are three parts of earth`s system that we have discussed in this unit | atomosphere hydrosphere and biosphere |
| how do rain drops form? | when enough water vapor cold and condenses into liquid water |
| where does water vapor in the air come from? | liquid water the has evaproated |
| how are water molecules in the states of matter spaced out? | gas molecules are very spread and and move fast, liquid molecules and very little s[paced out an dmove slow, and solid moles are tightly packed and dont move |
| water molecules are not created or destroyed when water changes from gas to liquid or liquids to gas | nothing |
| for water molecules form the water molecules must be cold | nothing |
| water vapor can come from any body of water | true |
| the water on earth today is no the water on earth today is not the same water that was on earth hundreds of years ago | false |
| your done mommy your done mommyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy | yasssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss |
Created by:
kparish043078!
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