Front

What is the primary purpose of a sling psychrometer?

Back

To measure relative humidity.

Front

Which weather instrument measures air pressure?

Back

Barometer.

Front

If the relative humidity is 100%, what does it mean?

Back

The air is holding as much water vapor as it can at that temperature.

Front

Which instrument is used to measure wind speed?

Back

Anemometer.

Front

What does a line with semicircles on a weather map indicate?

Back

Warm front.

Front

What is relative humidity?

Back

The amount of water vapor present in the air compared to the maximum amount the air can hold at that temperature.

Front

What is the function of a barometer?

Back

To measure atmospheric pressure.

Front

What does an anemometer do?

Back

Measures wind speed.

Front

What is a cold front?

Back

A boundary between a cold air mass and a warm air mass, where the cold air pushes under the warm air.

Front

What is a warm front?

Back

A boundary where a warm air mass rises over a cold air mass.