Rocks and Minerals Review

Front

What type of rock is formed by extreme heat and/or pressure?

Back

Metamorphic rock is formed by extreme heat and/or pressure that alters the chemical composition into a new form of rock.

Front

How do metamorphic rocks change into sediments?

Back

Metamorphic rocks change into sediments through the processes of weathering and erosion.

Front

What is a common characteristic of extrusive igneous rocks?

Back

Extrusive igneous rocks commonly have a glassy surface.

Front

What is molten rock called when it is above the Earth's surface?

Back

Molten rock above the Earth's surface is called lava.

Front

What processes lead to the formation of sediments from rocks?

Back

Weathering and erosion lead to the formation of sediments from rocks.

Front

What is the process of sedimentary rock formation?

Back

Sedimentary rock formation involves deposition, compaction, and cementation of sediments.

Front

What is the difference between magma and lava?

Back

Magma is molten rock beneath the Earth's surface, while lava is molten rock that has erupted onto the surface.

Front

What are the three main types of rocks?

Back

The three main types of rocks are igneous, sedimentary, and metamorphic.

Front

What is the rock cycle?

Back

The rock cycle is the continuous process of rock formation, breakdown, and reformation through various geological processes.

Front

What is the primary agent of erosion?

Back

Water is the primary agent of erosion, but wind and ice can also contribute.