Atmosphere

This gas makes up 21% of the atmosphere

• ozone
• oxygen
• nitrogen
• water vapor

This gas makes up 78% of the atmosphere

• oxygen
• nitrogen
• ozone
• carbon dioxide

Which of the following is the correct order of the atmosphere layers from Earth to space?

• troposphere, stratosphere, mesosphere, thermosphere, exosphere
• troposphere, mesosphere, thermosphere, exosphere, stratosphere
• thermosphere, stratosphere, mesosphere, troposphere, exosphere
• troposphere, stratosphere, mesosphere, exosphere, thermosphere

What is ozone?

• 3 nitrogen atoms
• 3 oxygen atoms
• 2 oxygen atoms
• 1 oxygen atom

Tags

NGSS.MS-PS1-1

This is the coldest layer of the atmosphere

• troposphere
• thermosphere
• mesosphere
• stratosphere

This layer of the atmosphere contains most of the ozone

• troposphere
• thermosphere
• mesosphere
• stratosphere

This layer is where weather occurs

• troposphere
• thermosphere
• exosphere
• stratosphere

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

The hottest layer.

• troposphere
• thermosphere
• exosphere
• mesosphere

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

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

What is the function of the ozone layer?

• to allow UV rays to get to Earth
• to block UV rays from getting to Earth
• To keep oxygen in
• to allow meteors to get to Earth