Earth Science Mid-Term Review

Most of the Earth's volume is contained in the _______ .

• mantle

• inner core

• outer core

• crust

What is the name of the layer of the Earth that is labeled with the letter W?

• crust

• inner core

• mantle

• outer core

The Earth's mantle is

• cooler than the crust but hotter than the core

• cooler than both the crust and the core

• hotter than both the crust and the core

• hotter than the crust but cooler than the core

Which two elements are the most abundant in the Earth's crust?

• iron and nickel

• silicon and magnesium

• silicon and oxygen

• iron and magnesium

Earth's core is made mostly of

• iron and magnesium

• silicon and magnesium

• silicon and oxygen

• iron and nickel

The Earth's core is

• hotter than both the crust and the mantle.

• cooler than the crust but hotter than the mantle.

• hotter than the crust but cooler than the mantle.

• cooler than both the crust and the mantle.

Which of the following lists Earth's compositional layers in order, starting with Earth's outermost layer and ending with Earth's center?

• core, crust, mantle

• crust, mantle, core

• mantle, crust, core

• core, mantle, crust

Which one of the Earth's layers is the thinnest?

• outer core

• crust

• inner core

• mantle

Parts of the mantle are able to flow like thick molasses. Other parts of the mantle are very rigid. Which of the following best describes the mantle?

• The mantle has properties of both liquids and solids.

• The mantle has properties of solids only.

• The mantle has properties of liquids only.

• The mantle has properties of gases and liquids only.

What is the name of the layer of the Earth that is labeled with the letter X?

• outer core

• mantle

• inner core

• crust