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Science
Question | Answer |
---|---|
Mineral | naturally occurring substance that is solid |
Luster | the state or quality of shining by reflecting light; glitter, sparkle, sheen, or gloss |
Streak | Streak is the color of a mineral when it is crushed to a powder |
Cleavage | the tendency of crystals, certain minerals, rocks, etc., to break in preferred directions so as to yield more or less smooth surfaces |
Fracture | the cracking or breaking of a hard object or material. |
Hardness | the quality or condition of being hard. |
Density | the degree of compactness of a substance. |
Rock | the solid mineral material forming part of the surface of the earth and other similar planets |
Rock Cycle | an idealized cycle of processes undergone by rocks in the earth's crust |
Weathering | The process by which rocks are broken down into small grains and soil |
Erosion | the action of exogenic processes (water or wind) which remove soil and rock from another rock |
Deposition | the geological process in which sediments, soil and rocks are added to a landform or land mass. |
Sedimentary Rock | types of rock that are formed by the deposition of material at the Earth's surface and in bodies of water |
Igneous Rock | formed through the cooling and solidification of magma or lava. |
Metamorphic Rock | was once one form of rock but has changed to another under the influence of heat, pressure, or some other agent without passing through a liquid phase |
Foliated | consisting of thin sheets or laminae. |
Nonfoliated | not slate, schist or gneiss |
Relative Dating | to determine the age of geological events. |
Superposition | |
Absolute Dating | |
Radiometric Dating | |
Half-Life | |
Fossil | |
Geologic Time Scale | |
Crust | |
Mantle | |
Core Plate Tectonics | |
Convergent Boundary | |
Divergent Boundary | |
Transform Boundary | |
Folding | |
Fault | be broken by a fault or faults |