Science Flashcard 5.1

Front

What causes cooler air to move under warm air?

Back

Cooler air is denser than warm air.

Front

What is the best prediction when the current temperature is 82°F, humidity is 65%, and pressure is rapidly decreasing?

Back

A storm is likely approaching.

Front

Which instrument is used to measure air pressure?

Back

Barometer.

Front

What does weather refer to?

Back

Changes in the atmospheric conditions over a short time span.

Front

What type of front is likely to move into an area when a cold front is indicated on a graph?

Back

Cold Front.

Front

Define 'humidity'.

Back

The amount of water vapor present in the air.

Front

What is a barometer used for?

Back

To measure atmospheric pressure.

Front

Explain the difference between weather and climate.

Back

Weather refers to short-term atmospheric conditions, while climate refers to long-term patterns.

Front

What happens to air pressure before a storm?

Back

Air pressure typically decreases.

Front

What is a cold front?

Back

A boundary where a cold air mass pushes under a warm air mass.