Qtr 2 Mini #1 Review-Earth's Layers

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 the most dense?

• crust
• mantle
• inner core
• outer core

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

• outer core
• inner core
• mantle
• crust

Identify each layer - #20.

• mantle
• asthenosphere
• inner core
• outer core

The soft layer of the mantle on which the tectonic plates move

• Asthenosphere
• Outer Core
• Mantle
• Mesosphere

The core is made-up of what two elements?

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

The solid, outer layer of the Earth that consists of the crust and the rigid upper part of the mantle

• Lithosphere
• Mesosphere
• Mantle
• Crust

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

What are the two kinds of crust that the Earth has?

• Oceanic and Crustatious Crust
• Oceanic and Continental Crust
• Optic and Continental Crust