Review: Weather

Which graph best represents the relationship between water droplet size and the chance of precipitation?

• A

• B

• C

• D

At which temperature could water vapor in the atmosphere change directly into solid ice crystals?

• 20 degrees F

• 40 degrees F

• 100 degrees C

• 10 degrees C

When the dry-bulb temperature is 22DC and the wet-bulb temperature is 13DC, the relative humidity is

• 59%

• 10%

• 41%

• 33%

Which weather station model indicates the greatest probability of precipitation?

• A

• B

• C

• D

An atmospheric pressure of 978 millibars is equal to

• 28.88 inches of mercury

• 29.00 inches of mercury

• 28.92 inches of mercury

• 28.76 inches of mercury

In which direction do surface winds around low-pressure centers in the Northern Hemisphere generally move?

• clockwise, toward the center of the low

• counterclockwise, away from the center of the low

• counterclockwise, toward the center of the low

• clockwise, away from the center of the low

A temperature of 80D Fahrenheit would be approximately equal to how many degrees on the Celsius scale?

• 34

• 299

• 178

• 27

Which change would result in an increase in the rate at which water evaporates from an outdoor swimming pool?

• The surface of the water is covered with white plastic.

• Water is added to the pool each day.

• Cloud cover decreases.

• Wind velocity decreases.

The graph represents how the rate of evaporation of water is affected by a variable, X. Which variable is most likely represented by X?

• moisture content of the air

• exposed surface area

• temperature

• wind velocity

Most of the Earth's surface ocean currents are caused by

• differences in ocean water density

• the revolution of the Earth

• stream flow from continents

• the prevailing winds