Earth's Atmosphere

Front

What gas makes up 21% of Earth's Atmosphere?

Back

Oxygen

Front

Which layer of the atmosphere contains the ozone? Options: Troposphere, Mesosphere, Stratosphere, Exosphere

Back

Stratosphere

Front

The layer where most meteorites vaporize? Options: Stratosphere, Thermosphere, Troposphere, Mesosphere

Back

Mesosphere

Front

The most abundant gas in Earth's atmosphere is what?

Back

Nitrogen

Front

The Northern Lights that we see come from which layer?

Back

Thermosphere

Front

Does temperature decrease as you increase with altitude in the stratosphere?

Back

False

Front

Does weather occur in the thermosphere?

Back

False

Front

How high above Earth's surface does the stratosphere go?

Back

50 km

Front

What is the hottest layer of the atmosphere?

Back

Thermosphere

Front

What protects us from Earth's harmful UV rays?

Back

Ozone