Air pressure

Front

What device measures air pressure?

Back

Barometer

Front

In which direction does air flow?

Back

From areas of higher pressure to areas of lower pressure

Front

What two factors describe wind?

Back

Direction and speed

Front

What is the interaction between the atmosphere and biosphere when pollen is spread by the wind?

Back

Pollen being spread by the wind is an example of the atmosphere and biosphere interacting.

Front

What happens when the differences in atmospheric pressure increase?

Back

Wind speed increases.

Front

What is air pressure?

Back

The force exerted by the weight of air above a surface.

Front

What instrument is used to measure wind speed?

Back

Anemometer

Front

What are isobars?

Back

Lines on a weather map that connect points of equal atmospheric pressure.

Front

What is the relationship between air pressure and weather?

Back

Changes in air pressure can indicate changes in weather conditions.

Front

What is the role of the atmosphere in the water cycle?

Back

The atmosphere helps transport water vapor and influences precipitation.