The Water Cycle In Action
Extreme Weather
Fronts & Air Masses
Predicting Weather
Weather Wildcard
100

What process changes liquid water into water vapor?

Evaporation

100

Which extreme weather forms when rotating air drops from a thunderstorm to the ground?

Tornado

100

Which type of front brings quick, heavy thunderstorms?

Cold front

100

What type of cloud is tall and produces thunderstorms?

Cumulonimbus

100

What is the main source of energy that powers all weather?

The Sun

200

What process forms clouds when water vapor cools?

Condensation

200

Which extreme weather often forms along cold fronts strongest in the central U.S.?

Tornadoes

200

Which front usually brings steady, gentle rain or snow?

Warm front

200

What fast-moving bands of air high in the atmosphere help guide storms?

Jet streams

200

What is the difference between weather and climate?

Weather is short-term; climate is long-term averages

300

Which stage of the water cycle is rainfall?

Precipitation

300

What kind of storm is powered by warm ocean water and has an “eye”?

Hurricane

300

What do we call the boundary where two air masses meet?

A front

300

Puffy cumulus clouds usually signal what kind of weather?

Fair weather

300

What is the measure of how much water vapor is in the air compared to how much it can hold?

Relative humidity

400

What kind of energy is released when water vapor condenses, helping storms grow stronger?

Heat

400

What conditions must be present for a snowstorm to be classified as a blizzard?

Strong winds (35 mph), reduced visibility, and heavy snow for several hours

400

What type of front can stall over an area, causing days of rain or snow?

Stationary front

400

Thin, wispy cirrus clouds often mean what type of front is approaching?

A warm front

400

What dangerous event can occur along coastlines when a hurricane pushes water onshore?

Storm surge

500

What part of the water cycle is most directly responsible for hurricanes gaining strength?

Evaporation from warm ocean water

500

What type of cloud is most often associated with severe thunderstorms?

Cumulonimbus

500

When a cold front overtakes a warm front, what kind of front is formed?

Occluded front

500

What type of weather would you expect if you see thin wispy clouds?

A warm front so spread out rainfall

500

What is the name of the effect that curves winds and ocean currents?

The Coriolis effect