Front

How are the layers of the atmosphere classified? Options: Density, Gases, Humidity, Temperature

Back

Temperature

Front

The order of the layers of the atmosphere from space to the earth's surface.

Back

troposphere, stratosphere, mesosphere, thermosphere

Front

What percentage of the earth's atmosphere is oxygen?

Back

21%

Front

What percentage of the earth's atmosphere is nitrogen?

Back

78%

Front

Which atmospheric layer is the ozone layer found?

Back

Stratosphere

Front

As we go higher in the atmosphere, the air pressure

Back

decreases

Front

Why does air pressure differ around the earth?

Back

Warm air rises at the equator and cold air sinks at the poles.

Front

Wind occurs because air usually moves from areas of high _______ to low _________.

Back

pressure, pressure

Front

What causes winds to occur? Options: Unequal distance, Unequal humidity, unequal heating, unequal mass

Back

unequal heating

Front

Global winds happen

Back

over a vast area including continents