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Krieg 8R Final Review Vocabulary

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
Mixture   Two or more elements or compounds that are physically combined.No chemical reaction takes place  
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Compound   Two or more elements or compounds that are chemically combined.  
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Element   Building blocks of all matter. Simplest form of matter  
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Metal   Elements that are typically shiny, good conductors of heat and electricity, and are malleable  
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Non-metal   Elements that are typically poor conductors of heat and electricity, brittle, and have a dull luster  
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Proton   Positive part of an atom found in the nucleus  
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Electron   Negative part of an atom that orbits the nucleus  
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Neutron   Neutral part of an atom that is found in the nucleus  
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Hypothesis   Educated guess or prediction about an experiment  
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Independent Variable   The variable that is manipulated by the experimenter  
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Dependent Variable   The measured variable in an experiment  
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Solid   State of matter with a definite shape and volume. Atoms are fixed in place  
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Liquid   State of matter with definite volume but no definite shape. Atoms or molecules will take the shape of their container  
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Gas   State of matter with no definite shape or volume. Will expand to fill its container  
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Mass   The amount of matter in an object  
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Density   The amount of mass per unit of volume  
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Volume   The amount of space an object takes up  
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Evaporation   The phase change when a liquid changes to a gas  
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Condensation   The phase change when a gas changes to a liquid  
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Freezing   The phase change when a liquid changes to a solid  
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Melting   The phase change when a solid changes to a liquid  
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Soluble   A material that will dissolve in water  
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Insoluble   A material that will not dissolve in water  
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Solution   A special mixture where one material is dissolved in a liquid  
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Igneous Rock   A rock formed by the cooling of magma or lava  
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Sedimentary Rock   A rock formed by the buildup and cementation of layers of sediment  
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Metamorphic Rock   A rock formed by the tremendoud heat and pressure deep inside the Earth  
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Physical Change   A change in size, shape, or state  
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Chemical Change   A change that creates a new substance  
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Atmosphere   The layer of air that surrounds the Earth  
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Lithosphere   All of the land of te Earth including the crust and the rigid mantle  
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Hydrosphere   All of the water on the Earth including oceans, rivers, and lakes  
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Nucleus   The center of the atom that contains the protons and the neutrons  
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Weathering   The breaking down of rocks into small pieces  
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Erosion   The MOVEMENT of weathered particles by Water, Wind, Gravity, or Glaciers  
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Deposition   The dropping of sediments in a new location  
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Precipitation   Any form of water that falls from the sky including rain, snow, sleet, and hail  
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Rotation   The spinning of the Earth  
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Revolution   The movement of the Earth around the sun  
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Continental Drift   The idea that continents were once joined in a large landmass and drifted to their current locations. Proposed by Wegener in 1912  
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Inner Core   The innermost layer of the Earth composed of solid Iron and Nickel  
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Outer Core   This layer surrounds the inner core and is composed of liquid iron and nickel  
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Mantle   This layer of hot molten rock is just underneath the Earth's crust  
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Crust   The thin rocky outer layer of the Earth  
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Stratosphere   This layer is just above the troposphere and contain the ozone layer  
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Troposphere   The layer of the Earth's atmosphere where all weather occurs  
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Warm Front   When warm air slides up and over a cold air mass causing light precipiation, thin cirrus clouds, and gentle winds  
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Cold Front   When cold air quickly pushes warm air up into the atmosphere causing thick cumulus clouds, heavy precipitation, and strong gusty winds  
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Transform Boundary    
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Divergent Boundary    
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Convergent Boundary    
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Subduction    
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Pangaea    
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Front    
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Continental Drift    
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Water Cycle    
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