Unit 2 Lesson 4: Three Classes of Rock

Front

What type of rock has wavy bands?

Back

Metamorphic rock.

Front

Which type of rock has small or no crystals due to rapid cooling?

Back

Extrusive igneous rock.

Front

What type of rock forms when minerals dissolved in a water solution crystallize?

Back

Chemical rock.

Front

Which type of rock has large crystals because of slow cooling?

Back

Intrusive igneous rock.

Front

What type of rock is formed by compacting and cementing of sediments?

Back

Sedimentary rock.

Front

What is the process called when sedimentary rocks are formed?

Back

Compaction and cementation.

Front

What are the three main classes of rocks?

Back

Igneous, sedimentary, and metamorphic.

Front

What is an example of an extrusive igneous rock?

Back

Basalt.

Front

What is an example of a sedimentary rock?

Back

Sandstone.

Front

What is an example of a metamorphic rock?

Back

Schist.