Layers of Earth

Why is the inner core made of solid metal?

• Because it is so hot it turns from liquid to solid
• Because of the weight of the crust
• Because of it's temperature
• Because of the pressure of the other layers beating down on it

Which layer is considered the thinnest layer?

• Mesosphere
• Core
• Mantle
• Crust

This layer contains most of Earth's mass.

• Inner Core
• Mantle
• Outer Core
• Crust

The core is mostly made up mostly of which elements?

• Oxygen and Silicon
• Silicon and Magnesium
• Nickel and Iron
• Iron and Magnesium

What is the inner-most layer of Earth?

• crust

• mantle

• outer core

• inner core

What is the outer-most layer of Earth?

• crust

• mantle

• outer core

• inner core

What is the second layer of Earth, filled with magma?

• crust

• mantle

• outer core

• inner core

What is magma?

• molten metals inside the mantle

• molten rock inside the mantle

• the crust of the Earth

• the inner core of the Earth

This layer is completely liquid

• crust
• inner core
• mantle
• outer core

This layer of Earth is solid Iron and Nickel

• Outer Core
• Mantle
• Inner Core
• Crust