Meterology

Wind is caused mainly by air pressure differences that result from...

• uneven heating of the Earth's atmosphere

• absorption of ultraviolet radiation by Earth's landmasses

• radiation of heat from Earth's landmasses to water bodies

• rotation of Earth on it's axis

Students wish to study the affect of elevation above sea level on air temperature and air pressure. They plan to hike in the Mountains from an elevation of 2,179 ft. to the peak at 5,344 ft. Which instruments should they use to collect data?

• anemometer and psychrometer

• anemometer and barometer

• thermometer and psychometer

• thermometer and barometer

Which weather variable is this instrument designed to measure?

• visibility

• relative humidity

• dewpoint temperature

• air pressure

Which weather variable is measured by this instrument?

• wind direction

• air pressure

• wind speed

• amount of rainfall

According to the Earth Science Reference Tables, an air pressure of 30.15 inches of mercury is equal to...

• 1023 mb

• 1021 mb

• 1019 mb

• 1017 mb

What are lines on a weather map connecting points of equal pressure?

• Isotherms
• Isoclines
• Isobars
• Isochrons

The _____________ the isobars on a map are to/from one another the ___________ the wind.

• closer, slower
• closer, faster
• farther, faster

Which instrument measures air pressure?

• Psychrometer
• Thermometer
• Anemometer
• Barometer

Which instrument measures temperature?

• Psychrometer
• Thermometer
• Anemometer
• Barometer

What type of front does this symbol represent?

• warm front
• cold front
• stationary front
• occluded front