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Krieg - 8R Review

Krieg 8R Final Review Vocabulary

TermDefinition
Mixture Two or more elements or compounds that are physically combined.No chemical reaction takes place
Compound Two or more elements or compounds that are chemically combined.
Element Building blocks of all matter. Simplest form of matter
Metal Elements that are typically shiny, good conductors of heat and electricity, and are malleable
Non-metal Elements that are typically poor conductors of heat and electricity, brittle, and have a dull luster
Proton Positive part of an atom found in the nucleus
Electron Negative part of an atom that orbits the nucleus
Neutron Neutral part of an atom that is found in the nucleus
Hypothesis Educated guess or prediction about an experiment
Independent Variable The variable that is manipulated by the experimenter
Dependent Variable The measured variable in an experiment
Solid State of matter with a definite shape and volume. Atoms are fixed in place
Liquid State of matter with definite volume but no definite shape. Atoms or molecules will take the shape of their container
Gas State of matter with no definite shape or volume. Will expand to fill its container
Mass The amount of matter in an object
Density The amount of mass per unit of volume
Volume The amount of space an object takes up
Evaporation The phase change when a liquid changes to a gas
Condensation The phase change when a gas changes to a liquid
Freezing The phase change when a liquid changes to a solid
Melting The phase change when a solid changes to a liquid
Soluble A material that will dissolve in water
Insoluble A material that will not dissolve in water
Solution A special mixture where one material is dissolved in a liquid
Igneous Rock A rock formed by the cooling of magma or lava
Sedimentary Rock A rock formed by the buildup and cementation of layers of sediment
Metamorphic Rock A rock formed by the tremendoud heat and pressure deep inside the Earth
Physical Change A change in size, shape, or state
Chemical Change A change that creates a new substance
Atmosphere The layer of air that surrounds the Earth
Lithosphere All of the land of te Earth including the crust and the rigid mantle
Hydrosphere All of the water on the Earth including oceans, rivers, and lakes
Nucleus The center of the atom that contains the protons and the neutrons
Weathering The breaking down of rocks into small pieces
Erosion The MOVEMENT of weathered particles by Water, Wind, Gravity, or Glaciers
Deposition The dropping of sediments in a new location
Precipitation Any form of water that falls from the sky including rain, snow, sleet, and hail
Rotation The spinning of the Earth
Revolution The movement of the Earth around the sun
Continental Drift The idea that continents were once joined in a large landmass and drifted to their current locations. Proposed by Wegener in 1912
Inner Core The innermost layer of the Earth composed of solid Iron and Nickel
Outer Core This layer surrounds the inner core and is composed of liquid iron and nickel
Mantle This layer of hot molten rock is just underneath the Earth's crust
Crust The thin rocky outer layer of the Earth
Stratosphere This layer is just above the troposphere and contain the ozone layer
Troposphere The layer of the Earth's atmosphere where all weather occurs
Warm Front When warm air slides up and over a cold air mass causing light precipiation, thin cirrus clouds, and gentle winds
Cold Front When cold air quickly pushes warm air up into the atmosphere causing thick cumulus clouds, heavy precipitation, and strong gusty winds
Transform Boundary
Divergent Boundary
Convergent Boundary
Subduction
Pangaea
Front
Continental Drift
Water Cycle
Created by: lax45
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