earth

Why is the Inner Core solid?

• Extreme Heat
• High Pressure
• All the layers are solid
• It's made of rock

Which layer of the Earth is responsible for Earth's magnetic field?

• outer core
• inner core
• mantle
• crust

The core is made-up of what two elements?

• iron and nickel
• iron and oxygen
• nickel and silicon
• oxygen and silicon

What is the thinnest layer of the earth’s composition?

• mantle
• inner core
• crust
• outer core

The thickest layer of the earth is the 

• crust
• mantle
• inner core
• outer core

Temperature _____________________ as you go deeper into the earth.

• increases
• decreases
• goes up and down depending on the layer
• stays the same

Pressure ______________________ as you go deeper into the Earth

• increases
• decreases 
• goes up or down depending on the layer
• stays the same

There are how many different types of crust?

• 1
• 2
• 5
• 3

Which layer of Earth is located above the outer core?

• crust
• inner core
• mantle
• lithosphere

A dense ball of solid iron and nickel.

• crust
• inner core
• mantle 
• outer core