Earth's Crust and Atmosphere Quiz

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

• stratosphere

• mesosphere

• troposphere

• thermosphere

What is the primary gas in the Earth's atmosphere?

• oxygen

• nitrogen

• helium

• carbon dioxide

Which layer of the atmosphere contains the ozone layer?

• The ozone layer is found in the mesosphere.

• The ozone layer is found in the thermosphere.

• The ozone layer is found in the stratosphere.

• The ozone layer is found in the troposphere.

What is the greenhouse effect?

• The greenhouse effect is a natural process that occurs when certain gases in the Earth's atmosphere trap heat from the sun and prevent it from escaping into space.

• The greenhouse effect is a process where the Earth's atmosphere becomes transparent and allows heat to escape into space.

• The greenhouse effect is a man-made phenomenon that occurs when plants release too much oxygen into the atmosphere.

• The greenhouse effect is caused by the excessive use of air conditioners and refrigerators.

Which layer of the Earth's crust is the thickest?

• outer core

• mantle

• continental crust

• oceanic crust

What is the outermost layer of the Earth's crust called?

• core

• lithosphere

• mantle

• atmosphere

Which layer of the atmosphere is responsible for the auroras?

• thermosphere

• troposphere

• mesosphere

• stratosphere

What is the main component of the Earth's crust?

• carbon

• oxygen

• silicon dioxide

• iron

What is the primary source of energy for the Earth's atmosphere?

• Sun

• Water

• Wind

• Moon

What is the second most abundant gas in the Earth's atmosphere?

• oxygen

• nitrogen

• argon

• carbon dioxide