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45 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Minerals |
a solid inorganic substance of natural occurrence
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Ores |
A type of rock that has important minerals |
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Fossil Fuels |
a natural gas formed from the geological past |
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Physical Property |
Any property of an object or substance that is measurable |
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Chemical Property |
characteristics of a substance that is observed during a reaction
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Rock Cycle |
The cycle of how rocks change and are created |
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Sediments |
Rock that was weathered and eroded into crumbles |
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Sedimentary Rock |
Rock formed from the deposition and compaction of sediments |
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Metamorphic Rock |
Rock formed from extreme heat and pressure |
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Extrusive Igneous Rock |
Rock made from lava on the outside of the volcano |
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Intrusive Igneous Rock |
Rock made from lava on the inside of a volcano |
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Mechanical Weathering |
Rock changed without any change in the chemical nature |
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Chemical Weathering |
The breaking down of rock by chemical reactions |
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Erosion |
The breaking down of any type of rock |
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Deposition |
The natural taking away of sediments from place to place |
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Density |
The degree of compactness of a substance
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Continental Crust |
The outer layer of the Earth's surface |
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Oceanic Crust |
Thin part of the earth's crust that underlies the ocean
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Lithosphere |
Solid part of the earths surface |
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Asthenosphere |
Below the lithosphere; consists of tons of deformed rock |
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Mantle |
region of the interior of the Earth between the core
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Outer Core |
Layer that is composed of mostly iron and nickel
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Inner core |
a solid sphere in the middle of the fluid core
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Tension |
the state of being stretched tight
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Compression |
the reduction in volume and increase of pressure
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Shearing |
a distinct motion of two rock surfaces against each other
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Convection Currents |
move a gas or fluid from one place to another
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Theory of Plate Tectonics |
Crust is divided into several plates that glide over mantle |
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Subduction |
one plate moves under another and is forced down
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Hot Spots |
an area in the mantle from which heat rises
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Convergent Plate Boundary |
A region where two or more plates collide |
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Divergent Plate Boundary |
A region where two plates separate |
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Transform Plate Boundary |
A region where two plates slide also eachother |
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Mid-Ocean Ridges |
an underwater mountain system formed by plate tectonics
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Pangaea |
The theory that all continents were once connected |
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Island Arc's |
a curved chain of volcanic islands
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Faults |
a planar fracture or discontinuity in a volume of rock
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Trenches |
a long, narrow ditch
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Folded Mountains |
two or more of Earth's tectonic plates are pushed together
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Pacific Ring of Fire |
An area in the ocean where volcanoes and earthquakes occur |
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Seismic Activity |
types, frequency and size of earthquakes that happen over time
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Landforms |
a natural feature of the earth's surface
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Sea-Floor Spreading |
the formation of new areas of oceanic crust
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San Andreas Fault |
a continental transform fault that extends 800 miles through California
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Continental Drift |
the gradual movement of the continents across the earth's surface
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