Semester Review

Which layer of the Earth is composed mainly of oxygen and silicates and is the least dense layer?

• Crust

• Mantle

• Outer Core

• Inner Core

Which layer of the Earth is circulated by convection currents and is the thickest layer?

• Mantle

• Crust

• Inner Core

• Outer Core

Tags

NGSS.MS-ESS2-1

Which layer of the Earth is fluid and made up of iron and nickel?

• Outer Core

• Crust

• Mantle

• Inner Core

Which layer of the Earth is solid, mostly iron, and the most dense layer?

• Inner Core

• Mantle

• Crust

• Outer Core

Which of the following is the thickest layer of the Earth?

• Crust

• Mantle

• Outer Core

• Inner Core

True or False: The Earth's outer core is solid.

• True

• False

According to the passage, what circulates the liquid mantle?

Tags

NGSS.MS-ESS2-1

The heat that causes convection currents in the mantle comes from the Earth's core.

• True

• False

Tags

NGSS.MS-ESS2-1

Looking at a map of the Earth, it appears that the continents could fit together like a _______.

• puzzle

• book

• ladder

• circle

Tags

NGSS.MS-ESS2-3

Who proposed the idea of 'Continental Drift' in 1915?

• Charles Darwin

• Alfred Wegener

• Isaac Newton

• Albert Einstein

Tags

NGSS.HS-ESS1-5