Atmosphere

The bottom layer of the atmosphere is the ​ ​ (a)   ​. Above that is the ​ (b)   . Next you have the ​ (c)   . And last, is the ​ (d)   .

• troposphere
• stratosphere
• mesosphere
• thermosphere

The most abundant gas in our atmosphere is

The second most abundant gas in our atmosphere is

Harmful ultraviolet (UV) radiation is blocked by

Match the layer of the atmosphere to what is found in it.

• troposphere

• aurora borealis (northern lights)

• thermosphere

• top of Mount Everest

• stratosphere

• meteors (shooting stars)

• troposphere

• ozone

• mesosphere

• weather

The change in the layers of the atmosphere is based on changes in

• volume

• temperature

• mass

• density

Tags

NGSS.MS-ESS2-6

The layer of the atmosphere that gradually becomes outer space

• exosphere

• mesosphere

• troposphere

• stratosphere