Ch. 3 Rocks and the rock cycle

Front

What is the rock cycle?

Back

The rock cycle is the continuous process of transformation of rocks from one type to another, including igneous, sedimentary, and metamorphic rocks.

Front

What are igneous rocks?

Back

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

Front

What are sedimentary rocks?

Back

Sedimentary rocks are formed from the accumulation and compaction of mineral and organic particles.

Front

What are metamorphic rocks?

Back

Metamorphic rocks are formed when existing rocks are changed by heat, pressure, or chemically.

Front

What is clastic sedimentary rock?

Back

Clastic sedimentary rock is formed from fragments of other rocks that are compacted together.

Front

What is nonclastic sedimentary rock?

Back

Nonclastic sedimentary rock is formed from chemical precipitation or the accumulation of organic material.

Front

How do igneous rocks form?

Back

Igneous rocks form when magma cools and solidifies either beneath the Earth's surface or after a volcanic eruption.

Front

What is the difference between intrusive and extrusive igneous rocks?

Back

Intrusive igneous rocks form from magma that cools slowly underground, while extrusive igneous rocks form from lava that cools quickly on the surface.

Front

What causes metamorphism in rocks?

Back

Metamorphism is caused by changes in temperature, pressure, or the presence of chemically active fluids.

Front

What is the process of weathering?

Back

Weathering is the breaking down of rocks into smaller pieces by natural forces such as wind, water, and ice.