1. What is the difference between rocks and minerals? 2. How many types of rocks make up the Earth’s crust?
3. How are igneous rocks formed? What is another name for igneous rocks?
4. What is the difference between two types of igneous rocks?

1-A mineral is a naturally occurring inorganic element or compound having an orderly internal structure and characteristic chemical composition, crystal form, and physical properties. ... A rock is an aggregate of one or more minerals, or a body of undifferentiated mineral matter.

2-Part of Hall of Planet Earth. There are three kinds of rock: igneous, sedimentary, and metamorphic.

3-Intrusive rocks are formed from magma that cools and solidifies within the crust of the planet. When lava comes out of a volcano and solidifies into extrusive igneous rock, also called volcanic, the rock cools very quickly.

4-Igneous rocks are formed from lava or magma. Magma is molten rock that is underground and lava is molten rock that erupts out on the surface. The two main types of igneous rocks are plutonic rocks and volcanic rocks. Plutonic rocks are formed when magma cools and solidifies underground.

it takes hundreds of years to become stable.

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