ALMOST THERE earth layers/plate tectonics

What is the composition in the layer marked X?  

• Hot, solid iron and some solid nickeldifferent from the original
• Hot, liquid iron and some liquid nickel
• Cold, brittle rocks and subcontinents
• Hot, semi-solid rocks and molten rocks

.  On the Earth’s layer diagram above, which letter represents the Outer Core?

• w
• x
• y
• z

On the Earth’s layer diagram above, which letter represents the layer that contains solid iron?

• w
• x
• y
• z

Which of the Earth’s layers is made of liquid iron?

• crust
• mantle
• OC
• IC

Based on the Earth’s layer information on the chart, which layer best represents the Mantle?

• A
• B
• C 
• D

How does density and temperature change as you move from crust to the core (as you go deeper)?

• Density increases and Temperature decreases
• .  Temperature increases and Density decreases
• Both density and temperature decrease
• Both density and temperature increase  

Which statement is TRUE about the inner core and the outer core?

• Inner core is less dense than the outer core
• OptioInner core is liquid, the outer core is solid
• Outer core is hotter than the inner core
• Inner and the outer core both contain iron and nickel 

Compared to the Earth's crust, the mantle is…

• Less dense and hotter
• Less dense and cooler
• More dense and hotter
• More dense and cooler

One of the pictures below represents Pangaea and another picture represents the Earth today.  Which best represents the stage that is between Pangaea and today?

• x
• y
• z

.  In the ocean floor diagram shown below, at which point would you most likely find the oldest rocks?

• w
• x
• y
• z