The Earth's Crust

What is the Earth's Crust?

• The  inner layer of the Earth's surface 
• The outer layer of the Earth's surface containing mostly rocks
• The part of the Earth where grass grows
• The middle layer that contains hot lava

What is the Earth's Crust made out of?

• Dirt, Grass, Granite, and Basalt
• Boiling Lava
• Gravel, and huge granite rocks
• Pizza dough, from Pizza Hut

Is the crust a solid, liquid, or gas?

• Liquid
• Gas
• Solid
• All of the above

How thick is the crust?

• 18 miles thick, but 3 miles from the ocean
• 2 inches and 3 miles wide
• 18- 32 miles thick
• 700 inches wide 

What is the temperature of the crust?

• 100,000 degrees Fahrenheit
• 1,000 degrees Fahrenheit 
• 500-700 degrees
• 930 degrees Fahrenheit

How many 
sub-layers does the crust have?

• one sub-layer
• two sub-layers
• 23 sub-layers
• 765 sub-layers

"The Earth's crust becomes deeper in mountainous areas"

• True
• False

"The Earth's magnetic pull on the crust is the only reason the Earth spins"

• True
• False

"The Earth's crust is broken into many pieces called plates" 

• False
• True

"The crust is the hottest part of the Earth"

• False
• True