Earth's Interior

Front

Where do Earthquakes occur?

Back

At the boundary between tectonic plates.

Front

What is the consistency of the asthenosphere similar to?

Back

Carmel candy.

Front

How many major layers are there in Earth's interior?

Back

4.

Front

Why do scientists know that Earth's outer core is liquid?

Back

S-waves can't travel through it.

Front

True or False: Scientists have been able to make observations beneath Earth's crust.

Back

TRUE: Those observations come from seismic waves.

Front

What are the four major layers of Earth's interior?

Back

Crust, Mantle, Outer Core, Inner Core.

Front

What is the Earth's crust?

Back

The outermost layer of the Earth, composed of solid rock.

Front

What is the mantle?

Back

The layer between the crust and outer core, made of semi-solid rock that flows slowly.

Front

What is the outer core?

Back

The layer of the Earth that is liquid and composed mainly of iron and nickel.

Front

What is the inner core?

Back

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