5.4 Atmosphere

What is the layer of atmosphere closest to the Earth called?

• mesosphere
• stratosphere
• troposphere
• proctosphere

Which gas is the most abundant in the atmosphere?

• Einsteinium
• nitrogen
• oxygen
• carbon dioxide

The Earth's atmosphere is mainly made of ______?

• water
• snow
• wax
• air

What does the ozone layer do?

• is green and purple
• absorbs dangerous solar radiation
• smells like sulphur
• is made of carbon dioxide

As altitude increases, the air pressure _______.

• decreases
• stays the same
• increases
• all of the above

The weight of the atmosphere is also called _____

• temperature
• humidity
• air pressure
• weather

What is a TRUE FACT about the mesosphere?

• it is the hottest layer
• meteors burn up here
• the ozone layer is found here
• Northern Lights happen here

In what layer would you find the ozone layer?

• troposphere
• stratosphere
• mesosphere
• thermosphere

In what layer of the atmosphere would you find clouds and weather patterns?

• troposphere
• stratosphere
• mesosphere
• thermosphere

Order the layers of the atmosphere from earth's surface to space.

• Thermosphere

• Mesosphere

• Troposphere

• Stratosphere