Atmosphere

What percentage of the earth's atmosphere is oxygen?

• ~78%

• ~28%

• ~20%

• trace amounts

What percentage of the earth's atmosphere is nitrogen?

• ~78%

• ~28%

• ~20%

• trace amounts

Which atmospheric layer is the ozone layer found?

• Troposphere
• Stratosphere
• Mesosphere
• Thermosphere

As we go higher in  the atmosphere, the air pressure

• decreases
• increases
• does not change
• gets heavier

What layer of the atmosphere protects us from meteors?

• Troposphere
• Stratosphere
• Mesosphere
• Thermosphere

Which layer of the atmosphere is the coldest?

• Troposphere
• Stratosphere
• Mesosphere
• Thermosphere

Which layer of the atmosphere is the hottest?

• Troposphere
• Stratosphere
• Mesosphere
• Thermosphere

Tags

NGSS.MS-ESS2-6

In which layer of the atmosphere would you expect to find the auroras (northern lights)?

• troposphere

• stratosphere

• exosphere

• thermosphere

The weight of the atmosphere is ...

• temperature
• humidity
• air pressure
• weather

Tags

NGSS.MS-ESS2-6

How does air pressure change as you climb a mountain?

• it decreases (less air pressure)

• it increases (more air pressure)

• stays the same

• the temperature gets warmer