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What is the primary function of a barometer?

• To measure humidity

• To measure wind speed

• To measure atmospheric pressure

• To measure temperature

Which type of barometer uses mercury to measure pressure?

• Mercury barometer

• Digital barometer

• Water barometer

• Aneroid barometer

What is a key advantage of an aneroid barometer over a mercury barometer?

• It is less expensive

• It is more accurate

• It is more portable

• It requires less maintenance

In which field is a barometer most commonly used?

• Astronomy

• Weather forecasting

• Marine biology

• Geology

How do barometers contribute to scientific research?

• By analyzing soil composition

• By providing data on atmospheric pressure

• By measuring ocean currents

• By predicting earthquakes