Structure of the Earth - 8.1

The outermost layer of the Earth that contains the continents and the oceans.

• mantle

• crust

• outer core

• inner core

The layer of rock between the Earth's core and crust.

• outer core

• crust

• inner core

• mantle

Solid metal layer at the center of the Earth.

• mantle

• outer core

• inner core

• crust

Which sphere is made up of all the gases that surround Earth?

• Atmosphere

• Biosphere

• Lithosphere

The most important gas necessary for human survival.

• Carbon dioxude

• Mercury

• Oxygen

• Nitrogen

Which is the hottest part of the Earth?

• The core

• The mantle

• The crust

• The Asthenosphere

Which is the coolest part of the planet?

• inner core

• outer core

• mantle

• crust

How far is it to the center of the Earth in miles?

• 4000

• 400

• 40,000

• 27408

Which two metals are thought to be found in the core?

• iron and steel

• iron and nickel

• gold and silver

• iron and copper

How hot is it in the Earth's center?

• 600 Celcius

• 6000 Celcius

• 6 million Celcius

• 451 Fahrenheit