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Krieg - 8R Review
Krieg 8R Final Review Vocabulary
| Term | Definition |
|---|---|
| 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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