Earthquakes

What are the layers of the Earth? Select all that apply.

• inner core

• center

• mantle

• crust

Which layer of the Earth is very thin like an apple skin?

• crust

• mantle

• outer core

• inner core

What is thickest layer of the Earth's interior (the flesh of the apple)?

• crust

• mantle

• outer core

• inner core

Which layer is made of liquid iron and nickel?

• crust

• mantle

• outer core

• inner core

What causes the inner core to be solid iron?

• immense pressure

• its light density

• its very hot

• its low temperature

Which type of crust is thicker?

• oceanic

• continental

Which type of crust is denser?

• continental

• oceanic

Which crust is thinner?

• continental

• oceanic

What crust is less dense?

• continental

• oceanic

What is the crust divided into?

• tectonic plates

• large blocks

• cracks

• chunks of rocks