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Unit 3

Chapters 1, 2, and 3

QuestionAnswer
Engineer Someone who uses science knowledge to design something to solve a problem.
Synthesize to put together multiple pieces of information inn 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 an Earth
Hydrosphere All water on Earth
Water vapor Water in the form of invisible gas.
Atmosphere The air that surrounds Earth
Condensation When gas turns into a liquid.
Molecule A group of atoms joined in a particular way.
Evaporation When a liquid turn into gas.
System A group of parts that work together.
Where is most of Earths water? In the ocean
Where s most of Earths fresh water? Frozen in glaciers
The amount of available freshwater _________________ when people use more than the amount that flows into there area. Decreases
People only use what kind of water? Freshwater
List three things that can cause water shortages. Droughts, overuse, and pollution
WHAT THREE PARTS OF THE EARTHS SYSTEM THAT WE HAVE DISSCUSED THIS UNIT. BIOSHERE, HYDROSPHERE, AND ATOMSPHERE.
How do drops of water form? When enough water gets cold and condenses.
Where does water vapor from the air come from? Evaporated water
How are water molecules in the states of matter spaced? The gas molecules are spaced out and move faster, the liquid molecules move slower and are a little spaced out, and the solid molecules are compacted together and don't move around.
Water molecules are not ___________ or ____________ when water changes form gas to liquid or to gas to liquid. 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
Give and example of hydrosphere and atmosphere interacting. Liquid water evaporating to form water vapor in the atmosphere.
Give an example of biosphere and hydrosphere interacting. People using water.
Created by: Rose 26
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