Layers of the Earth and Plate Tectonics

Which of the following is the thinnest layer of Earth?

• Mantle

• Crust

• Lithosphere

• Inner Core

Who is credited with proposing the hypothesis of Continental Drift?

• Harry Hess

• Galileo Galilei

• Alfred Wegener

• Isaac Newton

• Albert Einstein

Which is more dense?

• Continental Crust

• Oceanic Crust

What happens to temperature and pressure as you get to deeper layers within Earth?

• Temperature and Pressure increase

• Temperature increases, Pressure decreases

• Temperature decreases, Pressure increases

• Temperature and Pressure decreases

If something floats in water, what can we say about its density?

• It is more dense than the water

• It is less dense than the water

• It has the same density as water

What is the correct order (starting from the surface) of Earth's layers?

• crust, outer core, inner core, mantle
• mantle, outer core, inner core, crust
• crust, mantle, outer core, inner core
• outer core, inner core, crust, mantle

Identify the layer of the earth labeled # 6

• crust

• mantle

• outer core

• inner core

We live on the _________________________.

• crust

• mantle

• core

Which layer of the Earth is the only liquid layer?

• Outer Core
• Inner Core
• Mantle
• Lithosphere

Which layer(s) of the Earth make up the asthenosphere?

• Part of the mantle
• Crust, mantle, Core
• Crust and upper mantle
• Only the crust