The pattern of seasonal weather that happens year after year, and is usually watched over a period of 30 years.

Large areas of air that have the same properties are called

Weather stays the same throughout an air mass.

Where do air masses usually form?

What are the boundaries called where two air masses with different temperatures meet?

Which type of front forms when a cold air mass pushes under a warm air mass?

Which type of front forms when a warm air mass pushes into a cold air mass?

Which type of front forms when air masses are not moving?

Which type of front can cause rainy weather to last for days?

What is the function of weather maps? Check all that are true.

What is the prediction of weather conditions called?

Rainstorms that include lightning and thunder are called

Lightning is the spark caused by buildup of electricity in a thunderstorm.

What are the ways to stay safe during a thunderstorm?

Funnel-shaped clouds with wind speeds up to 300 miles are called

The funnel cloud becomes a tornado when it touches the

Tropical storms can become hurricanes when the wind speed reaches more than ______ miles per hour or more.

Places that have repeating weather patterns over long periods of time are called

Which region has cold climates with low precipitation?

Which region is near the equator and has warm, humid and rainy weather patterns?