What are the two main categories of Earth's layers?

• Inner and Outer

• Magnetic and Non-Magnetic

• Solid and Liquid

• Compositional and Physical

Which layer of the Earth is the outermost and where we live?

• Lithosphere

• Mantle

• Crust

• Core

What is the primary composition of the Earth's core?

• Silicate minerals

• Iron and Nickel

• Carbon and Oxygen

• Magnesium and Aluminum

Which part of the mantle is described as 'gooier' and can flow?

• Lithosphere

• Outer Core

• Asthenosphere

• Mesosphere

What is the lithosphere composed of?

• Entire mantle

• Outer core

• Inner core

• Crust and part of the mantle

Which layer of the Earth is responsible for plate tectonics?

• Lithosphere

• Outer Core

• Mesosphere

• Asthenosphere

Tags

NGSS.MS-ESS2-3

What is the state of the outer core?

• Solid

• Liquid

• Gaseous

• Plasma

How does the Earth's magnetic field protect life on Earth?

• By creating gravity

• By maintaining temperature

• By blocking solar radiation

• By providing oxygen

What causes the Earth's magnetic field?

• The movement of tectonic plates

• The spinning of the inner and outer core

• The solidification of the crust

• The flow of the asthenosphere

What is the main difference between compositional and physical layers?

• Their size

• Their temperature

• Their movement

• Their composition