Rocks and Rock Cycle

Front

What is a rock?

Back

A rock consists of two or more minerals.

Front

What are the physical properties of igneous rock?

Back

Physical properties of igneous rock include crystals.

Front

What is compaction in the context of rocks?

Back

Compaction is when rocks are deeply buried and placed under pressure due to the weight of overlying layers.

Front

What does metamorphic mean?

Back

Metamorphic means 'to have been changed'.

Front

What does igneous mean?

Back

Igneous means made from fire and heat.

Front

What is lithification?

Back

Lithification is the process of turning sediments into solid rock.

Front

What is the rock cycle?

Back

The rock cycle is the continuous process of rock formation, breakdown, and reformation.

Front

What are sedimentary rocks?

Back

Sedimentary rocks are formed from the accumulation and compaction of sediments.

Front

What is the difference between intrusive and extrusive igneous rocks?

Back

Intrusive igneous rocks form from magma that cools slowly beneath the Earth's surface, while extrusive igneous rocks form from lava that cools quickly on the surface.

Front

What is erosion?

Back

Erosion is the process by which rocks and soil are worn away and transported by natural forces such as wind or water.