Air Pressure

The general movement of low-pressure centers across the United States is from _______.

• north to south

• east to west

• west to east

• south to north

In the Northern Hemisphere, winds associated with a low-pressure system blow_____

• counterclockwise toward the center

• clockwise toward the center

• clockwise outward from the center

• counterclockwise outward from the center

What did Torricelli invent?

• anemometer

• mercury barometer

• aneroid barometer

What causes differences in air pressure?

• even heating of the Earth

• Even cooling of the earth

• uneven heating of the earth

• global warming

How does wind move?

• From areas of low pressure to areas of high pressure.

• From areas of high pressure to areas of low pressure.

• From areas of high temperature to areas of low tempreture 

• From areas of low temperature to areas of high temperature

___________is the result of the weight of a column of air pushing on an area.

• air pressure

• density

• volume

• none of the above

A _____________ is the scientific  instrument used to measure air pressure.

• barometer

• thermometer

• mercury

• watch

What is the primary factor that causes air pressure to change in different regions?

• Temperature variations

• Humidity levels

• Wind speed

• Cloud cover

Which instrument is commonly used to measure air pressure in meteorology?

• Thermometer

• Barometer

• Hygrometer

• Anemometer

How does air pressure affect weather patterns?

• High pressure leads to stormy weather

• Low pressure leads to clear skies

• High pressure leads to clear skies

• Low pressure has no effect on weather