A) B)

C) D)

1. The diagram below shows weather instruments A and B.

Which table correctly indicates the name of the weather instrument and the weather variable that itmeasures?

A) wind speed and wind directionB) percentage of cloud cover and cloud heightC) air pressure and air temperatureD) relative humidity and dewpoint

2. A psychrometer is used to determine which weathervariables?

A) wind vane—wind speedthermometer—temperatureprecipitation gauge—relative humidity

B) wind vane—wind directionthermometer—dewpointpsychrometer—air pressure

C) barometer—relative humidityanemometer—cloud coverprecipitation gauge—probability of precipitation

D) barometer—air pressureanemometer—wind speedpsychrometer—relative humidity

3. Which list correctly matches each instrument with theweather variable it measures?

4. Base your answer to the following question on themap below, which shows sea-level air pressure, inmillibars, for a portion of the eastern coast of NorthAmerica. Points A, B, C, and D are sea-level locationson Earth’s surface.

A) thermometer B) wind vaneC) sling psychrometer D) barometer

Which weather instrument was used to measure the airpressures?

5. Base your answer to the following question on the weather map below, which shows a low-pressuresystem over the eastern United States. Letters A through D represent weather stations.

A) barometer B) thermometer C) psychrometer D) anemometer

Which weather instrument was used to measure wind speed at station D?

A) anemometer B) wind vaneC) psychrometer D) thermometer

6. Which weather instrument is used to measure windspeed?

A) wind direction B) air pressureC) wind speed D) amount of rainfall

7. An instrument used to measure a weather variable isshown below.

Which weather variable is measured by thisinstrument?

8. Base your answer to the following question on the diagrams below and on your knowledge of Earthscience. The diagrams represent electromagnetic waves being transmitted (T) by a Doppler radarweather instrument and waves being reflected (R) by rain showers. This instrument produces computerimages that show the movement of rainstorms.

A) barometer B) anemometerC) precipitation gauge D) wind vane

Which weather instrument was used to measure the amount of rainfall from this storm?

A) wind speed B) precipitationC) cloud cover D) air pressure

9. A weather instrument is shown below.

Which weather variable is measured by thisinstrument?