Air and Air Pollution

is the force exerted by the air around us. The Earth's atmosphere is made up of air, and it has weight.

• air pressure
• temperature
• volume
• height above Earth's surface
• water vapor

Select all the factors that affect air pressure

• temperature
• volume
• height above Earth's surface
• water vapor

When air is heated, the gas particles speed up and spread out into a larger space, if it is available.

• True
• False

As the temperature decreases, air pressure increases

• True
• False

Warm air causes air pressure to drop.

• True
• False

It is a measure of how much space an object takes up.

• temperature
• volume
• height above Earth's surface
• water vapor

As the volume decreases, air pressure increases

• True
• False

As altitude increases, air pressure decreases

• True
• False

As the pressure decreases, the amount of oxygen available to breathe increases

• True
• False

When a balloon is released, the high-pressure air flows out of the balloon to the low-pressure air surrounding it: "Winds blow from high to low."

• True
• False