Weather/Atmosphere Quiz

This layer starting about 7 miles above sea level is more dry and less dense.  Aircraft normally fly in this layer to escape turbulence.

• stratosphere
• thermosphere
• mesosphere

This layer is the closest to the earth which is often called the "lower atmosphere."

• exosphere
• troposphere
• ozone layer

This layer ranges from about 30 to 50 miles above sea level which contains chemicals that absorb energy from the sun.

• thermosphere
• mesosphere
• ionosphere

The majority of the atmosphere contains which gas?

• oxygen
• carbon dioxide
• nitrogen

99% of the air in the atmosphere is found in which two layers?

• stratosphere and exosphere
• mesosphere and troposphere
• stratosphere and troposphere

This gas makes up close to one-fourth of the air surrounding the Earth.

• hydrogen
• oxygen
• nitrogen

This type of wave is reflected by particles in the ionosphere.

• solar
• magnetic
• radio

This force holds the Earth's atmosphere in place so organisms can live and be protected.

• gravity
• atmospheric pressure
• relative humidity

Air temperature is measured with an instrument called a ________________.

• Hygrometer
• heat gauge
• thermometer

Wind speed is measure with an instrument called an ________________.

• anenometer
• wind sock
• arometer