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igneous rock
 Forms from magma or lava. Most abundant on Earth’s surface.
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Sedimentary rock
Forms when particles from other rocks or the remains of plants and animals are pressed and “cemented” together. Results from the evaporation of sea water
Metamorphic rock
Forms from existing rock that is changed by heat, pressure, or chemical reactions deep beneath the surface of Earth.
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Intrusive rock
Formed when magma hardens beneath the Earth’s surface. Found of the ocean floor. (course grain)-cools slowly
Extrusive rock
Igneous rock formed from lava on Earth’s surface.  Forms core of mountain ranges. (fine grain)-cools rapidly
Properties of minerals
Natural occurring, definite chemical composition and volume, inorganic, crystal structure
The evaporation of seawater results in which type of rock?
Sedimentary
Fossils are found in which type of rock?
Sedimentary
Rock most common on earths surface
igneous
The most abundant elements in the earth crust
Oxygen and Silicone
Type of rock that forms the ocean floor
Intrusive rock
What would happen if weathering and erosion stopped?
The rock cycle stops
igneous rock (ex)
Granite, obsidian, basalt, pumice
Sedimentary rock (ex)
Coal, shale, sandstone, limestone
Metamorphic rock (ex)
Gneiss, marble slate
What type of rock is found on earths surface and in the interior?
igneous rock
3 types of rock and how are they formed?
igneous, metamorphic and sedimentary
what is weathering
The chemical and physical processes that break down rock at the surface.
Explain phsyical or chemical weathering?
Chemical - Natural acid or lichens breakdown rock.
 Physical weathering- Can be caused by water, wind, or variations in temperature such as seasonal freeze-thaw cycles.
What would happen if weathering and erosion stopped?
The rock cycle stops
Note
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