T6L1-Quiz: Seismic Waves & Earth’s Layers

What is the outermost layer of the Earth called?

• Inner Core

• Outer Core

• Mantle

• Crust

Which layer of the Earth is the thickest?

• Crust

• Mantle

• Outer Core

• Inner Core

Which layer of the Earth is solid and made mostly of iron and nickel?

• Crust

• Outer Core

• Inner Core

• Mantle

What type of waves are produced by earthquakes and travel through Earth?

• Seismic Waves

• Light Waves

• Sound Waves

• Radio Waves

Which Earth layer is made of liquid iron and nickel?

• Crust

• Mantle

• Outer Core

• Inner Core

What happens to seismic waves when they travel through different layers of Earth?

• They disappear

• They slow down or speed up

• They stop moving

• They stay the same speed

Which layer of the Earth do seismic waves travel through first during an earthquake?

• Mantle

• Outer Core

• Crust

• Inner Core

The movement of material in which layer is responsible for Earth’s tectonic plate movement?

• Crust

• Mantle

• Outer Core

• Inner Core

Which type of seismic wave can travel through both solids and liquids?

• S-waves

• P-waves

• Surface Waves

• Electromagnetic Waves

What is the main cause of earthquakes?

• Tides pulling on the Earth

• The shifting of rocks along a fault line

• Energy from the Sun

• Movement of water in the oceans