Weather Basics
Clouds and Storms
Extreme Weather
Weather Science
Weather Around the World
100

This instrument measures temperature.

What is a thermometer?

100

These fluffy white clouds usually mean fair weather.

What are cumulus clouds?

100

This weather event occurs when snow, blowing snow, and strong winds reduce visibility.

What is a blizzard?

100

This gas in Earth’s atmosphere is most important for weather and breathing.

What is oxygen?

100

This is the driest desert on Earth.

What is the Atacama Desert?

200

Water falling from clouds in the form of rain, snow, sleet, or hail is called this.

What is precipitation?

200

This type of storm includes thunder, lightning, heavy rain, and strong winds.

What is a thunderstorm?

200

A long period with little or no rainfall is called this.

What is a drought?

200

Warm air does this compared to cool air.

What is rise?

200

This line around Earth divides the planet into climate zones and receives the most direct sunlight.

What is the Equator?

300

This layer of gases surrounds Earth and creates our weather.

What is the atmosphere?

300

These dark, layered clouds often bring steady rain or snow.

What are stratus clouds?

300

This scale measures the strength of hurricanes from Category 1 to Category 5.

What is the Saffir-Simpson Scale?

300

This weather map symbol connects areas with the same air pressure.

What are isobars?

300

This region experiences six months of daylight and six months of darkness each year.

What are the polar regions?

400

This imaginary line dividing Earth into the Northern and Southern Hemispheres affects weather patterns.

What is the Equator?

400

This dangerous rotating column of air touches the ground during severe storms.

What is a tornado?

400

This weather phenomenon forms over warm ocean water and is called a typhoon in some parts of the world.

What is a hurricane?

400

This instrument measures air pressure.

What is a barometer?

400

This fast-moving river of air high in the atmosphere helps steer storms and weather systems.

What is the jet stream?

500

This process happens when water vapor cools and changes into liquid droplets to form clouds.

What is condensation?

500

This cloud type can grow extremely tall and is often associated with severe thunderstorms.

What is a cumulonimbus cloud?

500

This rare and powerful storm combines a snowstorm with hurricane-force winds.

What is a bomb cyclone?

500

This global weather pattern happens when unusually warm Pacific Ocean water affects weather around the world.

What is El Niño?

500

This climate zone near the Equator is known for heavy rainfall, warm temperatures, and dense forests.

What is the tropical rainforest climate zone?

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