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Unit 3

Chapters 1, 2, and 3

QuestionAnswer
Where is all of Earth's water? In the ocean
Where is most of Earth's freshwater? Frozen in glaciers
The amount of available freshwater ____________ when people use more than the amount that flows into their area. decreases
People only use what kind of water? freshwater
What are three things that can cause a water shortage? Droughts, Overuse, and Pollution
What are the three parts of Earth's system? 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 molecule 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
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
Give an example of the hydrosphere and atmosphere interacting Liquid water evaporates to form water vapor in the atmosphere
Give an example of the hydrosphere and biosphere interacting People using water
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
Resource 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 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.
Molecule A group of atoms joined together in a particular ways
Evaporation when a liquid turns into a gas
System a group of parts that work together
Created by: user-1767232
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