Science Unit 1 Review

Front

What are the layers of the Earth?

Back

The Earth has three main layers: Crust, Mantle, and Core.

Front

Which layer of the Earth is solid and rocky?

Back

The Crust is the solid and rocky outer layer of the Earth.

Front

What is the inner layer of the Earth called?

Back

The Inner Core is the innermost layer of the Earth, made of solid iron and nickel.

Front

What is the outer layer of the Earth that is liquid?

Back

The Outer Core is the liquid layer surrounding the Inner Core.

Front

What is the imaginary line around which Earth spins?

Back

The Axis is the imaginary line that runs from the North Pole to the South Pole.

Front

What is the term for Earth's yearly orbit around the sun?

Back

Revolution is the term for Earth's yearly orbit around the sun.

Front

What is the difference between rotation and revolution?

Back

Rotation is the spinning of Earth on its axis, while revolution is the orbit of Earth around the sun.

Front

What are the two types of crust?

Back

The two types of crust are Continental Crust and Oceanic Crust.

Front

What is erosion?

Back

Erosion is the process by which soil and rock are removed from the Earth's surface by wind, water, or ice.

Front

What is an example of erosion?

Back

Wind blowing away sediment is an example of erosion.