Santa ana Wind Unit practice

Hot Air

• Is lighter and rises

• Is heavier and sinks

• Has no effect on temperature

• Is cold and dense

Evaporation is

• Liquid water changing into water vapor with heat.

• The process of water freezing into ice.

• The condensation of water vapor into liquid water.

• The transformation of water into steam without heat.

What kind of weather would you expect in a high-pressure system?

• Clear/sunny conditions.

• Rainy and cloudy conditions.

• Stormy weather with high winds.

• Cool and overcast conditions.

The molecules are closest together in which type of air?

• Cold Air 35°F

• Hot Air 90°F

• Warm Air 70°F

• Cool Air 50°F

What is the main cause of wind?

• Differences in air pressure.

• The rotation of the Earth.

• The presence of mountains.

• Ocean currents.

Precipitation is

• Rain, snow, or sleet falling from the sky.

• A type of cloud formation.

• The process of evaporation.

• A measure of temperature.

How does air move?

• Warm air rises and cool air sinks.

• Cool air rises and warm air sinks.

• Air moves in a circular motion regardless of temperature.

• Air does not move; it remains still.

What happens to air pressure as altitude increases?

• Air pressure increases.

• Air pressure remains constant.

• Air pressure decreases.

• Air pressure fluctuates.

If LA is 65 degrees and Las Vegas is 85 degrees, where would you expect a low-pressure system?

• Los Angeles at 65 degrees.

• Las Vegas at 85 degrees.

• San Francisco at 70 degrees.

• Phoenix at 90 degrees.

What kind of weather would you expect in a low-pressure system?

• Sunny

• Rain

• Snow

• Fog