Exploring Earth's Layers and Rocks

Front

What are the three main types of rocks?

Back

Igneous, Sedimentary, Metamorphic.

Front

How are igneous rocks formed?

Back

By the cooling and solidification of magma or lava.

Front

What is the process of weathering?

Back

The breaking down of rocks into smaller pieces by natural forces.

Front

What is sediment?

Back

Small particles of rock, minerals, and organic material that can accumulate and form sedimentary rocks.

Front

What is the outermost layer of the Earth called?

Back

Crust.

Front

What is the mantle?

Back

The layer of the Earth between the crust and the outer core, which is the thickest layer.

Front

How are sedimentary rocks formed?

Back

Through the compaction and cementation of sediments.

Front

What is metamorphism?

Back

The process by which existing rocks are changed into metamorphic rocks due to heat and pressure.

Front

What is the inner core?

Back

The solid, innermost layer of the Earth, composed mainly of iron and nickel.

Front

What is the outer core?

Back

The liquid layer of the Earth located between the mantle and the inner core.