W&W Inv.3 Air Pressure & Wind

What is atmospheric pressure?

• The energy of motion

• The force exerted on a surface by the mass of the air above it

• The amount of mass in a material compared to its volume

• A weather tool that measures air pressure

What is the unit of measurement for air pressure that is equal to the pressure exerted by the air in the atmosphere at sea level?

• Millibar

• Isobar

• Equilibrium

Which tool is used to measure air pressure?

• Thermometer

• Anemometer

• Barometer

• Hygrometer

What does density refer to in the context of atmospheric pressure?

• The energy of motion

• The force exerted by air

• The amount of mass in a material compared to its volume

• The movement of air from high to low pressure

Air moves from ____ to _____.

• Low to High

• High to Low

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What are isobars?

• Lines on a map that represent temperature

• Lines on a map that represent similar air pressures over a large region

• Units of air pressure

• Tools to measure wind speed

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What is kinetic energy?

• Energy of motion

• Energy of rest

• Energy of pressure

• Energy of density

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What is a millibar?

• A unit of temperature

• A unit of air pressure equal to 1/1000 of a bar

• A tool to measure humidity

• A type of cloud

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What is the relationship between air pressure and density?

• Higher air pressure means lower density

• Higher air pressure means higher density

• Air pressure and density are unrelated

• Air pressure is always constant regardless of density

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At higher altitudes, which one becomes true?

• Higher the altitude, higher the atmospheric pressure.

• Higher the altitude, greater the force exerted by air molecules.

• The higher you go, lesser is the atmospheric pressure.