Atmosphere Review

Most clouds appear here, mainly because 99% of the water vapor in the atmosphere is found in the

• mesosphere

• stratosphere

• thermosphere

• troposphere

Tags

NGSS.MS-ESS2-5

The circle graph represents the gases in our atmosphere. What gas is represented by the green section in the circle?

• ozone

• hydrogen

• nitrogen

• carbon monoxide

Which pie chart correctly shows the percentages of elements in the air?

• a
• b
• c
• d

Put the layers of the atmosphere in order from the closest to Earth's surface to the outermost layer

• exosphere

• mesophere

• troposphere

• stratosphere

• thermosphere

In the early days of Earth, the atmosphere was composed primarily of gases released by volcanic eruptions. What were these gases?

• nitrogen, oxygen, water vapor

• hydrogen, helium, argon

• carbon dioxide, steam, ammonia

• carbon dioxide, nitrous oxide, and hydrogen sulfide

The nitrogen in today's atmosphere most likely came from

• ammonia released during vocanic eruptions

• outer space

• gases released from oceanic vents

• a reaction between methane and carbon dioxide

Which layer of the atmosphere contains the ozone layer?

• troposphere

• thermosphere

• methosphere

• stratosphere

Which layer of the atmosphere do we live in?

• tropsophere

• stratosphere

• mesosphere

• thermosphere

As you go higher in the troposphere, the temperature _______________.

• decreases
• increases
• stays the same
• gets very hot

What does the ozone layer do for us?

• keeps us warm

• blocks UV rays from getting to Earth

• keeps oxygen in

• burns up meteors