Rocks and Minerals

Front

What is coal formed from?

Back

Coal is formed from plant remains decomposed under pressure.

Front

What is needed for a metamorphic rock to form?

Back

Heat and Pressure are needed for a metamorphic rock to form.

Front

What type of rock is formed near the mouth of a volcano?

Back

Igneous rock is formed near the mouth of a volcano.

Front

Which scale is used to describe the hardness of a mineral?

Back

Moh's scale is used to describe the hardness of a mineral.

Front

What is hardness in minerals?

Back

Hardness is a measure of how easily a mineral can be scratched.

Front

What are the three main types of rocks?

Back

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

Front

How are igneous rocks formed?

Back

Igneous rocks are formed from the cooling and solidification of molten rock (magma or lava).

Front

What is sedimentary rock made of?

Back

Sedimentary rock is made of particles of sand, silt, clay, and organic materials that have been compacted and cemented together.

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 a mineral?

Back

A mineral is a naturally occurring, inorganic solid with a definite chemical composition and a crystalline structure.