Exploring the Layers of the Earth

What is the outermost layer of the Earth called?

• Crust

• Mantle

• Inner core

• Outer core

How thick is the Earth's crust under the oceans?

• 25 miles

• 3 to 5 miles

• 1400 miles

• 1800 miles

What is the Earth's largest layer?

• Mantle

• Crust

• Outer core

• Inner core

What are the two types of Earth's crust?

• Rigid and Semi-molten

• Granite and Basalt

• Solid and Liquid

• Continental and Oceanic

What is the mantle made of?

• Magma

• Granite

• Iron

• Nickel

What causes earthquakes?

• Plate tectonics

• Volcanic activity

• Pressure from the inner core

• Melting of the crust

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

NGSS.MS-ESS3-2

What is the temperature at the top of the mantle?

• 1600 degrees Fahrenheit

• 4000 degrees Fahrenheit

• 9000 degrees Fahrenheit

• 100 degrees Fahrenheit

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What are the two main metals that make up the outer core?

• Nickel and Iron

• Copper and Zinc

• Silver and Gold

• Aluminum and Mercury

What is the state of the outer core?

• Gas

• Solid

• Liquid

• Plasma

What layer of the Earth has the most pressure?

• Crust

• Mantle

• Outer core

• Inner core