7.7 Checkpoint #2

Front

What type of rock is formed from heat and pressure deep beneath the Earth's surface?

Back

Metamorphic rock.

Front

What is the process called that transforms sedimentary or igneous rock into metamorphic rock?

Back

Metamorphism.

Front

What is Gneiss primarily made of?

Back

Minerals.

Front

What are the three main types of rocks?

Back

Sedimentary, Igneous, Metamorphic.

Front

What type of grain shape is characterized by sharp edges and irregular shapes?

Back

Jagged grain.

Front

What type of rock is formed from the cooling and solidification of magma or lava?

Back

Igneous rock.

Front

What type of rock is formed from the accumulation and compaction of sediment?

Back

Sedimentary rock.

Front

What is the main characteristic of metamorphic rocks?

Back

They have been changed by heat and pressure.

Front

What is an example of a metamorphic rock?

Back

Gneiss.

Front

What is the difference between sedimentary and metamorphic rocks?

Back

Sedimentary rocks form from sediments, while metamorphic rocks form from existing rocks that undergo metamorphism.