U6 Exam Review: The Atmosphere

What two gases make up most of the Earth’s atmosphere?

• Carbon dioxide and water vapor

• Nitrogen and Methane

• Nitrogen and Oxygen

• Argon and Helium

What gas makes up around 21% of the Earth’s atmosphere?

• Nitrogen

• Oxygen

• Methane

• Carbon Dioxide

How much of the Earth’s atmosphere is comprised of trace gases?

• 1%

• 21%

• 78%

• 99%

What is the correct sequence of layers of the atmosphere from innermost to outermost?

• mesosphere-stratosphere-thermosphere-troposphere

• troposphere-stratosphere-mesosphere-thermosphere

• stratosphere-thermosphere-troposphere-mesosphere

• thermosphere-mesosphere-troposphere-stratosphere

As altitude increases in our atmosphere, ___________.

• humidity decreases

• barometric pressure increases

• barometric pressure decreases

• temperature increases

What layer of the atmosphere does life primarily exist?

• thermosphere

• stratosphere

• troposphere

• mesosphere

The __________ __________ is located in our Earth’s stratosphere.  This layer helps protect us from harmful UV radiation from the sun.

• ionosphere

• ozone layer

• carbon layer

• meso layer

Which layer has the least amount of air molecules and is closest to outer space?

• thermosphere

• stratosphere

• troposphere

• mesosphere

In which layer of the atmosphere does the temperature decrease as altitude increases?

• mesosphere and troposphere

• stratosphere and mesosphere

• mesosphere only

• thermosphere and troposphere

Which type of air mass would form in the Pacific ocean near the equator?

• maritime polar

• continental polar

• maritime tropical

• continental tropical

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6