Atmosphere

Nitrogen oxides and sulfuric oxides combine with water in the air to form nitric and sulfuric

______________ gas is essential in the burning of fuels.

The gas _______________ protects us from UV radiation.

Smog comes from the words smelly and fog

Harmful substances in the air, water, or soil are known as

The percentage of nitrogen on the top of Mount Everest would be

Most air pollution comes from

The gaseous form of water is known as

The layer of the atmosphere where meteoroids burn up is the

The instrument used to measure air pressure in known as a

A form of oxygen that has 3 oxygen atoms in every molecule is

The type of barometer that uses liquid is a/an

The brown haze that develops in sunny cities is called

The top of the tube in a mercury barometer is essentially a(n)

The coldest temperatures in the atmosphere are found at the top of the

We live in the layer of the atmosphere known as the

Air pressure is measured in inches and

As altitude increases, air pressure

Oxygen makes up __________% of dry air.

The layer of the atmosphere with the highest temperatures is the

The layer of the atmosphere that contains the ozone layer is the

The aurora borealis result from _____________ interacting with gas molecules in the ionosphere.

What gas is essential for plants in the process of making food?

A(n) _____________ occurs when a layer of warm air traps cooler air near the surface.

If you spend some time at high altitude, your body can acclimate and you will feel better.

The primary gas that makes up the Earth’s atmosphere is

______________ equals mass divided by volume.

The aurora borealis occur in the

The layer of the atmosphere where weather occurs is the

Temperatures increase as you accend up in the troposphere.