T6L1*Flashcard*: Earth’s Layers & Seismic Waves

Front

What is the outermost layer of the Earth called?

Back

Crust

Front

Which layer is the thickest?

Back

Mantle

Front

Which layer is solid metal and found in the very center of the Earth?

Back

Inner Core

Front

What do we call the waves that move through the Earth during an earthquake?

Back

Seismic Waves

Front

Which layer is made of melted, liquid metal?

Back

Outer Core

Front

What happens when seismic waves hit different layers of the Earth?

Back

They change speed

Front

Which layer is right under the crust?

Back

Mantle

Front

What causes earthquakes?

Back

Tectonic plates moving

Front

What layer do we live on?

Back

Crust

Front

What do scientists learn from seismic waves?

Back

What is inside the Earth