21% of the atmosphere is

___ form when water vapor condenses out of the air to form tiny droplets of water or crystals of ice.

The term used to describe the condition of Earth's atmosphere at a given place or time is

When air pressure increases, the walls of an aneroid barometer's chamber are

The amount of mass in a given volume of air is its

Aside from inches of mercury, the other unit of measurement for air pressure is

The top of the stratosphere is ___ than the bottom.

The mesosphere protects Earth's surface by

The highest layer of the atmosphere is the

What are the two layers in the thermosphere?

This gas makes up less than 1% of the atmosphere but is essential to life

The troposphere is thickest over the

The amount of ___ varies greatly from place to place and from time to time.

Pure air contains only gases and exists only in laboratories

The result of the weight of a column of air pushing on an area is

___ is the average level of the oceans

When altitude increases, air pressure

As you get to the top of the troposphere, temperature

Water forms thin, feathery clouds of ice at the top of the

Which layer is just above the stratosphere?

Teachers: Create FREE classroom games with your questions Click for more info!
©2007-2024 Review Game Zone | About | Privacy | Contact | Terms | Site Map