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Name
Date
Class
Metamorphic Rocks
Understanding Main Ideas
Fill in the blanks to complete each step in the formation of metamorphic rock.
1. Collisions between Earth’s plates push rock down toward the heat of
Earth’s
.
2. As the rock is buried deeper in the crust,
well as heat increases on the rock.
as
3. The rock is squeezed so tightly that the appearance,
, and crystal structure of the rock’s minerals
change, creating metamorphic rock.
Answer the following questions on a separate sheet of paper.
4. Describe what a metamorphic rock is.
5. Describe a situation in which heat can change rock to metamorphic
rock.
6. What characteristics do geologists use to classify metamorphic rocks?
7. Give examples of how two different metamorphic rocks are used.
Building Vocabulary
Fill in the blank to complete the statement.
8.
describes the thin, flat layering found in most
metamorphic rocks.