Layers of the Earth and Rocks

Front

What is sedimentary rock?

Back

Rock formed when sand, mud, and pebbles get pressed into layers.

Front

What is the mantle?

Back

The layer of the Earth located between the crust and the outer core.

Front

What is igneous rock?

Back

Rock that forms when melted rock cools and hardens.

Front

What is the crust?

Back

The rocky layer of the outside of Earth.

Front

What is the outer core?

Back

The liquid layer of the Earth located beneath the mantle.

Front

What is the inner core?

Back

The solid center of the Earth, made mostly of iron and nickel.

Front

What are the three main types of rocks?

Back

Igneous, sedimentary, and metamorphic.

Front

How does sedimentary rock form?

Back

It forms from the accumulation and compaction of sediments.

Front

What is the difference between igneous and sedimentary rock?

Back

Igneous rock forms from cooled magma, while sedimentary rock forms from compressed sediments.

Front

What is metamorphic rock?

Back

Rock that has changed from one type to another due to heat and pressure.