Petroski - Rock Transformations Unit Review

Front

What are the three basic types of rocks?

Back

Sedimentary, igneous, metamorphic.

Front

How are rocks classified?

Back

Rocks are classified as igneous, metamorphic, or sedimentary according to how they formed.

Front

How is igneous rock formed?

Back

Igneous rock is formed when magma hardens as it cools.

Front

What process changes sedimentary rock into metamorphic rock?

Back

Heat and pressure can change sedimentary rock into metamorphic rock.

Front

What is sedimentary rock?

Back

Sedimentary rock is formed from the compaction and cementation of sediments.

Front

What is metamorphic rock?

Back

Metamorphic rock is formed from existing rock that is changed by heat and pressure.

Front

What is igneous rock?

Back

Igneous rock is formed from the cooling and solidification of magma or lava.

Front

What is the rock cycle?

Back

The rock cycle is the continuous process of rock formation and transformation.

Front

What is weathering?

Back

Weathering is the process of breaking down rocks into smaller pieces.

Front

What is erosion?

Back

Erosion is the process of moving weathered rock and soil from one location to another.