Earth's Structure

What are earth's three main layers?

• Core, mantle, and surface

• Core, mantle, and crust

• Inner core, outer core, mantle

• Upper mantle, lower mantle, crust

Where is the earth's crust the thickest?

• 
• 
• 
• 

Which word best describes the lower mantle?

• Scalding hot

• Cool

• Molten lava

• Lukewarm

Tags

NGSS.MS-PS1-4

How deep would you have to drill to reach the center of the earth?

• 6,000 kilometers

• 500 kiliometers

• 400,000 kilometers

• 1,000,000,000 kilometers

What effect does the spinning of the earth's core have?

• It creates gravity.

• It creates mass.

• It creates matter.

• It creates the Earth's magnetic field.

Which is true about the Earth's inner core?

• It's mostly made of iron.

• It's mostly made of nickel.

• It's mostly made of copper.

• It's mostly made of salt.

What layer of the earth is made of liquid?

• Upper mantle

• Outer core

• Inner core

• Lower mantle

If the earth's mantle were completely solid, __________ plates could not move around.

• Tectonic

• Technical

• Titanic

• Agnostic

Tags

NGSS.MS-ESS2-3