Term 4 Review - Earth and Space Sciences

Which layer is the hottest?

• Crust

• Mantle

• Outer Core

• Inner Core

Which is the widest layer of the Earth?

• Crust

• Mantle

• Outer Core

• Inner Core

Which layers are composed of Nickel (Ni) and Iron (Fe)?

• Crust

• Mantle

• Outer Core

• Inner Core

Which layer of the earth is completely liquid?

• Crust

• Mantle

• Outer Core

• Inner Core

What is the state of the inner core?

• Solid

• Semi-molten

• Liquid

• Gas

Which is the innermost layer of the Earth?

• Crust

• Mantle

• Outer Core

• Inner Core

The thinnest layer of the Earth is the ___________.

• mantle
• crust
• core

What is the thickest layer of the Earth?

• The crust

• The mantle

• The outer core

• The inner core

Why is the inner core solid?

• It is unknown

• What it's made of

• The pressure

• It is colder than the outer core

What happens to the temperature as we move from the crust to the inner core?

• Decreases

• Increases

• No change