Earth Science Compositional Layers Test

Which letter depicts the inner core?

• A
• B
• C
• D

What are the main compositional layers of Earth?

• Lithosphere, Asthenosphere, Mesosphere, Outer Core, Inner Core
• Crust, Mantle, Outer Core, Inner Core
• Upper Mantle, Lower Mantle, Outer Core, Inner Core
• Lithosphere, Asthenosphere, Mesosphere, Inner Core, Outer Mantle

Which layer is the Earth's outermost layer?

The outer core is composed mainly of:

• Solid iron and nickel
• Liquid iron and nickel
• Solid rock and minerals
• Magma and gases

Which layer of the Earth is responsible for generating the planet's magnetic field?

• Inner Core
• Outer Core
• Mantle
• Crust

Which of the following best describes the texture of the inner core?

• Solid and liquid
• Semi-fluid
• Liquid and molten
• Solid and crystalline

Which letter depicts the outer core?

• A
• B
• C
• D

Which layer has the highest density?

The composition of the Earth's crust is primarily:

• Iron and nickel
• Silicon and oxygen
• Magnesium and iron
• Calcium and aluminum

What happens to the temperature as you move from the crust towards the inner core?

• It decreases
• It remains constant
• It increases
• It fluctuates