Chapter 15 Earth's Atmosphere

Which gas makes up 78% of our atmosphere?

• oxygen

• Carbon dioxide

• nitrogen

• argon

Which layer of the atmosphere does all weather occur?

• exosphere

• troposphere

• mesosphere

• thermosphere

Tags

NGSS.MS-ESS2-5

Which layer of the atmosphere helps us by burning up incoming meteors?

• exosphere

• troposphere

• mesosphere

• thermosphere

Which layer of the atmosphere contains the ozone layer?

• troposphere

• thermosphere

• methosphere

• stratosphere

A compound made of three oxygen atoms is called

• acid rain

• smog

• ozone

• carbon dioxide

Tags

NGSS.MS-PS1-1

Which layer of the atmosphere, as identified by the chart, is MOST likely the troposphere?

• A

• B

• C

• D

Based on the chart, which layers of the atmosphere have a temperature that decreases as the altitude increases? Check all that apply.

• troposphere

• stratosphere

• mesosphere

• thermosphere

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 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