Igneous , Sedimentary, & Metamorphic Rocks

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Rocks formed by the cementing of weathered materials are called

Extrusive rocks have small grains because they...

How can a metamorphic rock turn into a sedimentary rock?

More often than metamorphic or igneous rock, sedimentary rocks have

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 result from the...

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 igneous rock into sedimentary rock?