Layers of the Earth

What is the approximate distance from the Earth's center to its surface?

• 2,000 miles

• 8,000 miles

• 4,000 miles

• 6,000 miles

Which layer of the Earth is the outermost and supports life?

• Mantle

• Outer Core

• Inner Core

• Crust

What is the lithosphere compared to in the video?

• A rock

• A hard-boiled egg shell

• A balloon

• A sponge

What generates the Earth's magnetic field?

• The pressure in the inner core

• The heat from the crust

• The rotation of the mantle

• The movement of liquid metals in the outer core

How do scientists study the Earth's interior?

• By analyzing seismic waves and volcanic rock samples

• By digging tunnels to the core

• By using satellites

• By observing the Earth's surface