What is a front?

Name
Class
Date
What is a front?
Lesson Review
Complete each statement with a term from the box below. Write your answers in
the spaces provided.
east
cold air mass
weather
cirrus
front
west
warm air mass
occluded front
1. The boundary between two air masses of different densities is a ________________________________ .
2. Air masses generally travel from _________________ to ___________________ across the United States.
3. Fronts usually bring changes in the __________________________________________________________ .
4. Once a cold front passes, a __________________________________________________________ moves in.
5. Once a warm front passes, a ________________________________________________________ moves in.
6. When a warm air mass is pushed between two cooler air masses, an _______________________ forms.
7. When a warm front approaches, _________________________________________________ clouds form.
Skill Challenge
Skills: analyzing, classifying
Decide whether each statement below refers to a cold front, a warm front, an
occluded front or a stationary front. Write the name of the correct front in the
space provided.
____________________ 1. The forward edge of a cold air mass forms this.
____________________ 2. The most complex weather situation occurs with this kind of front.
____________________ 3. This is formed when cold air masses and warm air masses meet and remain
in the same place.
____________________ 4. This is formed when a cold air mass pushes under a warm air mass.
____________________ 5. This is formed when a warm air mass pushes over a cold air mass.
____________________ 6. Gusty winds are associated with this type of front.
____________________ 7. Very high cirrus clouds form ahead of this type of front.
____________________ 8. This kind of front is associated with unchanging weather.
____________________ 9. In this kind of front, air from two cool air masses may mix.
____________________ 10. Slow clearing and warmer temperatures follow this kind of front.
Concepts and Challenges in Earth Science, Teacher’s Resources CD-ROM
(c) by Pearson Education, Inc./Globe Fearon/Pearson Learning Group. All rights reserved.
Weather
Answer Key
What is a front?
Lesson Review
1. front 2. west, east 3. weather 4. cold air mass
5. warm air mass 6. occluded front 7. cirrus
Skill Challenge
1. cold front 2. occluded front 3. stationary front
4. cold front 5. warm front 6. cold front 7. warm
front 8. stationary front 9. occluded front
10. warm front
Concepts and Challenges in Earth Science, Teacher’s Resources CD-ROM
(c) by Pearson Education, Inc./Globe Fearon/Pearson Learning Group. All rights reserved.
Weather