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9 questions
What are the three types of rocks called?
Igneous, Metamorphic, Sedimentary
Quartz, Basalt, Halite
Hard, soft, rough
Rocks are made up of two or more minerals.
True
False
Igneous rocks are often called volcanic rocks.
True
False
Magma is melted rock ______ the earth's crust.
above
below
in-between
Lava is melted rock _____ the earth's crust.
above
below
in-between
Igneous rocks form whenever lava or magma _____.
explodes
heats up
cools
When magma cools underneath the earth's crust, _______ rocks are formed.
intrusive
extrusive
When lava cools above the earth's crust, _______ rocks are formed.
intrusive
extrusive
Igneous rocks ...
have no layers
can have air pockets
can look like glass
can have large crystals
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