Sometimes metamorphic rock can be seen after ________ and _________ erode the rocks that had been lying on top of them.

Question

hurricanes; tornadoes

glaciers; sunshine

blizzards; floods

rain; wind



6) Select the best answer.

The two processes that form metamorphic rock are _________ and _________.

site metamorphism; underground metamorphism

chemical metamorphism; mechanical metamorphism

contact metamorphism; regional metamorphism

local metamorphism; global metamorphism



7) Select the best answer.

Explain the process of contact metamorphism.

Very large rocks are buried in an earthquake. The buried rock gets squeezed and heated until it changes into a new type of rock.

Small pebbles are created by weathering. Over time, they are compacted into rock through pressure.

Lava flows underground and changes the igneous rocks to metamorphic rock through heat.

Hot magma flows out of a volcano onto the already existing rocks of the ground. When the heated lava touches these rocks, it causes them to change properties.



8) Select the best answer.

Explain the process of regional metamorphism.

Very large rocks are buried in an earthquake. The buried rock gets squeezed and heated until it changes into a new type of rock.

Hot magma flows out of a volcano onto the already existing rocks of the ground. When the heated lava touches these rocks, it causes them to change properties.

Small pebbles are created by weathering. Over time, they are compacted into rock through pressure.

Lava flows underground and changes the igneous rocks to metamorphic rock through heat.



9) Select the best answer.

__________ usually takes place in small areas, only as far as heated lava can reach. _________ takes place in very large areas.

Regional metamorphism; Contact metamorphism

Contact metamorphism; Regional metamorphism



10) Select the best answer.

How are metamorphic rocks identified? Explain.

by their appearance; nearly every metamorphic rock has a striped pattern

by their color; nearly every metamorphic rock is white

by their hardness; nearly every metamorphic rock is extremely hard

by their size; nearly every metamorphic rock is very small

Answer 1

Here are the best answers for each question:

5) Sometimes metamorphic rock can be seen after rain and wind erode the rocks that had been lying on top of them.

6) The two processes that form metamorphic rock are contact metamorphism and regional metamorphism.

7) Explain the process of contact metamorphism.
Hot magma flows out of a volcano onto the already existing rocks of the ground. When the heated lava touches these rocks, it causes them to change properties.

8) Explain the process of regional metamorphism.
Very large rocks are buried in an earthquake. The buried rock gets squeezed and heated until it changes into a new type of rock.

9) __________ usually takes place in small areas, only as far as heated lava can reach. _________ takes place in very large areas.
Contact metamorphism; Regional metamorphism

10) How are metamorphic rocks identified? Explain.
by their appearance; nearly every metamorphic rock has a striped pattern

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