Download Section 1: Weather Patterns Instructions:

Section 1: Weather Patterns
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Instructions:
Students will learn about different types of weather fronts and will
need to apply their knowledge as a weather forecaster.
After
reading a weather forecast, students will need to complete a map
showing the proper fronts moving in the proper direction across
North America.
Weather Fronts includes cut-outs of different fronts, a student
printable, and a teacher answer key along with a mini-quiz.
Nitty Gritty Science ©2015
Weather Fronts
Introduction:
A weather front is a boundary between two air masses. Drastic
weather changes often occur at fronts, including changes in temperature, humidity,
clouds, wind, and precipitation. A cold front forms when a colder air mass moves
toward a warmer air mass.
Showers and thunderstorms often form along cold
fronts. Warm fronts form when less dense warmer air moves toward colder, denser
air. When water vapor in the warm air condenses, it often creates clouds that often
bring steady rain or snow for long periods.
When the boundary between two air masses stall, the front is called stationary, where
cloudy skies and light rain can be found. When a faster moving cold front catches up
with a slow-moving warm front, an occluded front forms, usually bringing with it some
precipitation.
Directions:
1. Cut out the diagrams of the weather fronts below.
2. Read the following weather reports and paste the correct front on the proper
location on the map of the United States. Be sure to make sure your front is moving
in the right direction. Note: NOT ALL FRONTS WILL BE USED.
3. Paste the completed map into your Science Interactive Notebook.
Nitty Gritty Science ©2015
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Nitty Gritty Science ©2015