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31 Cards in this Set
- Front
- Back
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Front (Term) mineral |
Back (Definition) a naturally occurring inorganic solid that has the same material throughout and a Crystal structure |
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Front (Term) inorganic |
Back (Definition) not from anything living or the remains of anything living |
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Front (Term) luster |
Back (Definition) The way a mineral reflects light |
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streak |
The color of the powder rubbed off a mineral |
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cleavage |
A break along smooth definite surface |
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fracture |
A break along a jagged surface |
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ore |
A combination of minerals from which metals and nonmetals can be removed |
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metal |
A mineral with a shiny surface that conducts heat and electricity |
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non metal |
A mineral with a dull surface and is a poor conductor of heat and electricity |
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igneous rocks |
rocks formed from molten rock |
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sedimentary rocks |
formed by the compacting and cementing of sediments away |
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metamorphic rocks |
formed when chemical reactions tremendous heat and pressure change existing rocks into new kinds of rocks |
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rock |
A hard substance composed of one or more minerals |
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rock cycle |
The continuous changing of rocks from one type to another over a long period of time |
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weathering |
The continuous breakdown of rocks on earths surface |
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Chemical weathering |
breaks down rocks by changing the mineral composition or chemical makeup of rocks |
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mechanical weathering |
breaks down rocks into smaller pieces but does not change the chemical makeup of rocks |
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soil |
weathered rock and humus |
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humus |
decaying organic material |
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topsoil |
The uppermost layer of soil mostly made of humus |
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erosion |
The process through which weathered rock is moved from one place to another |
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4 agents of erosion |
gravity, water, wind, glaciers |
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deposition |
The process through which sediments are laid down into new locations |
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glacier |
large mass of moving ice and snow |
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till |
rocks and debris deposited directly by a glacier |
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moraine |
ridge formed when a glacier melts and retreats |
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drumlin |
oval shaped mound of till |
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melwater |
streams formed by melting ice when a valley glacier stops advancing |
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outwash plains |
areas forms from sediments deposited by rivers of melting ice from a glacier |
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icebergs |
part of a glacier that breaks off and drifts out to sea |
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kettle lakes |
Lake formed from a hole in the ground caused by a block of glacial ice |
