Atmosphere

Take a deep breath in, take a deep breath out. Most of the gas that passed through your mouth was

• oxygen

• nitrogen

• water vapor

• carbon dioxide

Tags

NGSS.MS-LS1-3

For the Earth's atmosphere, section number two in the pie graph BEST represents the percentage of

• argon

• carbon dioxide

• oxygen

• nitrogen

This gas is found in the stratosphere where it helps protect us from UV radiation.

• ozone

• oxygen

• nitrogen

• carbon dioxide

The Earth's atmosphere is divided into five layers. In which layer does all life exist?

• exosphere

• mesosphere

• stratosphere

• troposphere

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

Almost 99% of Earth's atmosphere is made up of two gases. What are the two gases and the percents of each?

• 21% oxygen and 78% nitrogen

• 21% water vapor and 78% oxygen

• 21% nitrogen and 78% oxygen

• 21% carbon dioxide and 78% oxygen

Tags

NGSS.MS-PS1-1

Which layer of Earth's atmosphere contains the ozone layer, an important layer that helps protect life on Earth from UV radiation

• exosphere

• mesosphere

• stratosphere

• troposphere

In this layer of Earth's atmosphere, hydrogen and helium are the primary gases and are only present at extremely low densities. What is this layer of the atmosphere called?

• exosphere

• ionosphere

• mesosphere

• thermosphere

In what level of the atmosphere do you find the "good oxone" that blocks UV radiation?

• exosphere

• lithosphere

• stratosphere

• troposphere

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-ESS2-4