Earth's Layers

Which layer is the thickest and is made of mostly molten rock called magma? 

• core
• mantle
• outer core
• inner core

Which of Earth's layers is the thinnest?

• crust
• mantle
• outer core
• inner core

As you travel deeper into the Earth, what happens to the temperature and pressure?

• They increase
• They decrease
• They stay the same

Which layer is the densest and is made of SOLID iron and nickel?

• crust
• mantle
• outer core
• inner core

Which layer contains convection currents that move earth's plates?

• crust
• mantle
• outer core
• inner core

Which layer is made of LIQUID iron and nickel?

• crust
• mantle
• outer core
• inner core

The inner core of Earth is about the same temperature as ___________.

• an oven
• our classroom
• Pluto
• the surface of the sun

How is Earth similar to an apple?

• The skin and the crust are both the thinnest layers that cover the other layers.
• They both contain seeds in their core.
• They both increase in temperature as you get closer to the core.
• They both contain convection currents in their thickest layer.