Down to the Earth's Core

Which layer is INCORRECTLY matched to the main state of matter it contains?

• Crust = solid

• Mantle = solid

• Outer Core = solid

• Inner Core = solid

Humans have been able to physically explore the entire crust. Which answers relate to this - pick as many as apply.

• This sentence is true.

• Although humans have explored some of the crust, we have not been everywhere.

• Humans have investigated a large amount of the crust, mostly focusing on mining of natural resources

• Humans have only been able to go down about 2 km before conditions are too difficult to overcome.

Which layer is represented by the yellow layer?

• inner core

• outer core

• mantle

• crust

Which statement is correct?

• As you move up through the layers, the pressure increases.
• As you move down through the layers pressure increases.
• As you move down through the layers, pressure decreases.
• As you move up down through the layers, pressure remains the same.

What happens to temperature as you move down through the layers?

• it remains the same
• it increases then decreases
• it increases
• it decreases

Where do convection cycles happen?

• core

• mantle

• crust

Convection cycles move in the mantle. How does this affect the crust?

• crust has no motion

• crust moves in random direction

• crust moves in same direction convection cycle moves

Density has to do with what two things?

• Material and Volume

• Mass and Volume

• Mass and Density

• Material and Density

If magma increases in temperature (get hot) what will happen?

• It moves down (sinks)

• It moves up (rises)

If magma decreases in temperature (cooler) what will happen to the magma?

• It will move down (sink)

• It will rise up (float)