The Atmosphere Around You

Front

What gas makes up the majority of the atmosphere?

Back

Nitrogen is the gas that makes up about 78% of the Earth's atmosphere.

Front

Which layer of the atmosphere is at the highest altitude?

Back

The thermosphere is the layer of the atmosphere that is at the highest altitude.

Front

What best describes clouds?

Back

Clouds are made up of tiny water droplets or ice crystals, which are considered liquid.

Front

What is an inverse relationship?

Back

An inverse relationship occurs when one value decreases as another value increases.

Front

What do dust, smoke, salt, and chemicals have in common?

Back

They are all particles found in the air.

Front

What is the troposphere?

Back

The troposphere is the lowest layer of the atmosphere where weather occurs.

Front

What is the stratosphere?

Back

The stratosphere is the layer above the troposphere, containing the ozone layer.

Front

What is the mesosphere?

Back

The mesosphere is the layer of the atmosphere where temperatures decrease with altitude.

Front

What is the role of the ozone layer?

Back

The ozone layer protects the Earth from harmful ultraviolet (UV) radiation from the sun.

Front

What is air pressure?

Back

Air pressure is the force exerted by the weight of air above a surface.