The Layers of the Earth

What is the outermost layer of the Earth?

(a)  

Which layer is composed of semi-solid rock and is considered the thickest layer?

(a)  

What is the molten rock found within the Earth's mantle called?

• Lava

• Peridotite

• Magma

• Basalt

What is the primary function of the Earth's outer core?

• To provide a solid base for the mantle

• To generate Earth's magnetic field

• To store all of Earth's water

• To cause volcanic eruptions

How many distinct layers make up the Earth?

• Three

• Four

• Five

• Six