Rocks: Question Preview (ID: 9808)

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Granite is an example of which type of rock?
a) Metamorphic
b) Sedimentary
c) Igneous
d) None of the above

Fine-grained igneous rocks are known as
a) intrusive rocks.
b) extrusive rocks.
c) sedimentary rocks.
d) organic rocks.

The bottom of the ocean floor is covered in this igneous rock.
a) Granite
b) Rhyolite
c) Gabbro
d) Basalt

Sedimentary rocks formed from once living things are known as
a) limestone.
b) inorganic rocks.
c) organic rocks.
d) fossils.

The process of sediments breaking away is known as
a) erosion
b) deposition
c) compaction
d) cementation

Metamorphic rocks are formed by
a) compaction
b) volcanoes
c) heat and pressure
d) erosion and deposition

Which of the following is an example of a metamorphic rock?
a) Marble
b) Sandstone
c) Limestone
d) Shale

Foliated metamorphic rocks are made up of
a) large crystals.
b) small crystals.
c) layers.
d) smooth surfaces.

Chemical sedimentary rocks form when
a) magma cools and solidifies.
b) minerals are twisted into a new arrangement.
c) minerals crystallize from a solution.
d) sand grains are cemented together.

An igneous rock with a coarse-grained (large crystals) texture forms when
a) magma cools very slowly.
b) magma cools very quickly.
c) magma cools quickly, then slowly.
d) magma cools slowly, then quickly.

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