Air Pressure

Multiple Choice

Which statement best describes the direction of air pressure on an object?

• Air pressure only acts downward.

• Air pressure acts in all directions.

• Air pressure only acts upward.

• Air pressure only acts sideways.

Multiple Select

Which of the following are true about air pressure and altitude?

• Air pressure increases as altitude increases.

• Air pressure decreases as altitude increases.

• Air pressure remains constant with altitude.

• Air pressure is highest at sea level.

Open Ended

Explain the relationship between elevation and barometric pressure as shown in the images.

Multiple Choice

Based on the data and graph, what happens to air pressure as altitude increases?

• Air pressure increases.

• Air pressure decreases.

• Air pressure stays the same.

• Air pressure fluctuates randomly.

Multiple Choice

What happens to the pressure inside a ball as more air is added?

• The pressure increases

• The pressure decreases

• The pressure stays the same

• The pressure fluctuates

Multiple Choice

Does pressure lower when the ball gets hotter?

• Yes, the pressure lowers

• No, the pressure increases

• No, the pressure stays the same

• It depends on the type of ball

Open Ended

Explain how water vapor affects air pressure in the atmosphere.

Multiple Choice

Which of the following factors can cause a change in air pressure?

• Altitude

• Temperature

• Water vapor

• All of the above

Multiple Choice

What does a rising barometer reading usually indicate about the weather?

• Clear weather

• Rainy weather

• Stormy weather

• Windy weather

Open Ended

Does the barometer really fall?

Multiple Choice

Which instrument is used to measure air pressure?

• Thermometer

• Barometer

• Hygrometer

• Anemometer

Multiple Choice

Who invented the barometer in 1643?

• Evangelista Torricelli

• Isaac Newton

• Galileo Galilei

• Blaise Pascal

Multiple Choice

What happens to the mercury in the tube as atmospheric pressure increases?

• It falls

• It stays the same

• It rises

• It evaporates

Open Ended

List one advantage and one disadvantage of using a mercury barometer.

Open Ended

How does the fact that air is made up of molecules relate to the concept of barometric pressure?

Open Ended

What is barometric pressure?