Rock Hound

Front

What is a mineral?

Back

A mineral is always solid and inorganic.

Front

Is coal organic or inorganic?

Back

Coal is organic.

Front

What is the process of turning rock into magma called?

Back

The process is called melting.

Front

What is foliation in metamorphic rocks?

Back

Foliation occurs in metamorphic rocks perpendicular to the direction of applied pressure.

Front

What causes porphyritic igneous rocks?

Back

Porphyritic igneous rocks are the result of differential cooling and crystallization of magma.

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.

Front

What is an igneous rock?

Back

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

Front

What is sedimentary rock?

Back

Sedimentary rock is formed from the accumulation and compaction of mineral and organic particles.

Front

What is metamorphic rock?

Back

Metamorphic rock is formed from existing rocks that are changed by heat, pressure, or chemical processes.