Earth - A unique planet Quiz

What is the outermost layer of the Earth called?

• atmosphere

• crust

• mantle

• core

Which layer of the Earth is made up of solid rock and is the thickest layer?

• crust

• core

• atmosphere

• mantle

What is the name of the layer between the crust and the core of the Earth?

• mantle

• crust

• atmosphere

• ocean

What is the innermost layer of the Earth called?

• Surface core

• Middle core

• Inner core

• Outer core

Which layer of the Earth is made up of molten rock called magma?

• mantle

• atmosphere

• crust

• core

What is the Earth's atmosphere mostly composed of?

• Methane and water vapor

• Carbon dioxide and helium

• Nitrogen and oxygen

• Hydrogen and argon

What is the name of the layer of the atmosphere where weather occurs?

• troposphere

• stratosphere

• mesosphere

• exosphere

Which layer of the atmosphere is closest to the Earth's surface?

• Troposphere

• Mesosphere

• Exosphere

• Thermosphere

What is the layer of the atmosphere where airplanes fly called?

• Mesosphere

• Troposphere

• Stratosphere

• Exosphere

What is the outermost layer of the atmosphere called?

• exosphere

• mesosphere

• stratosphere

• troposphere