Rocks

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Extrusive rocks have small grains because they

While on vacation, a student visits the area around a volcano that has recently erupted. The student can expect to find samples of

Metamorphic rocks whose minerals are arranged in layers or bands are called

What do all rocks have in common?

Because granite cools below the surface of the Earth, it is

Igneous rocks are formed by

Which of these can determine the size of grains in igneous rocks?

Heat and pressure can transform igneous rocks into metamorphic rocks. What processes can transform igenous rock into sedimentary rock?