Air Pressure

Which type of image is this? 

• Radar

• Satellite

• Isotherm

• Isobar

Winds would move from

• California to Nebraska

• From Nebraska to California

• From Montana to New Mexico

• From New Mexico to Montana

Low pressure will usually bring what kind of weather?

• Sunny

• Calm

• Stormy

What is air pressure?

• the amount of pressure change occurring over a given distance

• describes how Earth's rotation affects moving objects

• the pressure exerted by the weight of air above

What are lines on the weather map that connect points of equal pressure?

• isogrids

• contour lines

• isotherms

• isobars

What are centers of low pressure called?

• anti cyclones

• jet streams

• cyclones

Descending air, clear weather, and relatively dry conditions indicate what type of system?

• high pressure

• low pressure

• neither high or low pressure

What is the primary factor that causes variations in air pressure on Earth?

• Temperature differences

• Ocean currents

• Magnetic fields

• Solar flares

Which instrument is used to measure air pressure?

• Thermometer

• Barometer

• Anemometer

• Hygrometer

How does air pressure change with altitude?

• Increases with altitude

• Decreases with altitude

• Remains constant

• Fluctuates randomly