Earth's Layers & Seismic Waves

Front

What is the rigid layer of the Earth's surface made up of the crust and upper mantle called?

Back

Lithosphere

Front

Which layer of Earth is located above the outer core?

Back

Mantle

Front

The layering of the Earth's interior (Crust, Mantle, Core) is based on what properties?

Back

Chemical properties

Front

What is considered the fastest kind of seismic waves?

Back

Primary waves

Front

How do scientists determine what Earth’s interior looks like?

Back

By using seismic waves.

Front

What are the three main layers of the Earth?

Back

Crust, Mantle, Core

Front

What is the primary composition of the Earth's crust?

Back

Silicate rocks.

Front

What is the difference between the lithosphere and the asthenosphere?

Back

The lithosphere is rigid and includes the crust and upper mantle, while the asthenosphere is semi-fluid and allows for tectonic movement.

Front

What type of seismic waves can travel through both solid and liquid?

Back

Secondary waves cannot travel through liquids, but Primary waves can.

Front

What is the outermost layer of the Earth called?

Back

Crust.