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What is geology?
What was the first type of rock formed on Earth known as?
What is the mantle?
What is magma?
What is lava?
What is the temperature of lava?
Why does magma rising into the crust begin to cool?
What happens if magma reaches the surface to become lava?
How are rocks formed?
What are igneous rocks?
What are extrusive igneous rocks?
What are intrusive igneous rocks?
What are crystals?
What are minerals?
What are two physical properties of minerals?
What other types of rocks are there besides igneous rocks?
What are three properties of igneous rocks?
What are interlocking crystals?
What are some examples of extrusive igneous rocks?
What are some examples of intrusive rocks?
