Warm Up 10/19

Which layer of Earth is the outermost layer?

• crust
• mantle
• outer core
• inner core

Which layer of Earth is the thinnest and is made of basalt?

• continental crust
• oceanic crust
• outer core
• inner core

Which is Earth's only liquid layer, composed of iron and nickel?

• continental crust
• oceanic crust
• outer core
• inner core

The crust plus the uppermost mantle; brittle and broken into plates.

• continental crust
• oceanic crust
• lithosphere
• asthenosphere

Which layer of Earth is made made of granite and is the thickest and least dense type of crust?

• continental crust
• oceanic crust
• lithosphere
• asthenosphere

Which part of the mantle sometimes behaves as a solid, sometimes a liquid (plasticity)?

• lithosphere
• asthenosphere
• inner core
• outer core

Which scientist theorized that the continents were once joined in a supercontinent called Pangaea?

• Albert Einstein
• Alfred Wegener
• Harry Hess
• Harry Houdini

Which scientist discovered that the sea floor was spreading? 

• Albert Einstein
• Alfred Wegener
• Harry Hess
• Harry Houdini

The Earth's surface is divided up into ___________ made of lithosphere, which are moving over the asthenosphere.

• continents
• oceans
• plates
• mountains

How is the Atlantic Ocean changing? 

• it is growing
• it is shrinking
• it is getting deeper
• it is not changing