When lava or magma cool and solidify which type of rock do they form?
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"A 5.00 L sample of helium at STP expands to 15.0 L. What is the new pressure on the gas?"
1 Answer
May 24, 2016
Explanation:
Igneous rocks are formed when magma is cooled and hardened. There are two types of Igneous rocks which is based on where the magma cools and hardens.
Intrusive rocks are igneous rocks that is formed deep within the earth.
(from magma)
e.g.(granite)
http://www.mineralogy4kids.org/rock-cycle/intrusive-igneous-rocks
Extrusive rocks are igneous rocks that is formed at the earth's surface.
(from lava)
e.g.(rhyolite)
http://www.mineralogy4kids.org/rock-cycle/extrusive-igneous-rocks
