Download Fronts Review packet answers File

Name: ______________________________
_____________
Period:
FRONTS
1. Why don’t air masses mix easily? They don’t mix because they have different
temperatures and therefore, different densities
2. These areas where the air masses meet, but do not mix are called __front____.
3. Name the four kinds of fronts.
a.
b.
_cold front_________
c. _____occluded front_______
__warm front_______________
d. _stationary front_______
4. Which front involves a rapidly moving cold air mass colliding with a slow moving air mass?
__Cold front (the cold air is doing the moving)______
5. What will cold air do? Cold air will stay low to ground and push up the warm air.
6. What will happen to the warm air? The warm air will rise up
7. If there is a lot of water vapor in the warm air _rain___ or __snow___
will fall.
8. After this front passes through an area, what can of weather will there be?
After a cold front, the weather is dry and clear.
9. What kind of front involves a warm air mass moving rapidly and colliding with a slow
moving cold air mass? __warm front (because the warm air is doing the moving.____
10. What will the warm air do? _The warm air will move up over the cold air because it
is
lighter.___
11. If the warm air is humid, what will form along the front where the warm and cold air meet?
rain
12. If the warm air is dry, __________________ ___________________ form.
13. Warm fronts move more ___slowly______ than cold fronts.
14. After a warm front passes through an area, the weather is likely to be _humid___
and _cloudy_______________.
15. In winter, warm fronts bring _blizzards (they move slowly)________.
16. When a warm air mass meets a cold air mass, but neither one has enough force to move
the other, this front is called a __stationary____ front.
17. What happens in the area where the warm and cold air meet?
A front is formed whenever air masses meet.
18. Which front involves a warm air mass caught between two cooler air masses?
occluded
19. What kind of weather will this front bring? rain
Identify each front below.
Type of front: __cold front______
Weather as front passes through: ___heavy rain for a short period (1-2 days)_______
Weather after the front passes: ___clear and dry___
Type of front: ___warm front__
Weather as front passes through: ___drizzle for several days______
Weather after the front passes: ___humid and cloudy_______
Type of front: __occluded____
Weather as front passes through: __rain____
__________________________
Weather after the front passes:
___clear__
__________________________
Short Answer: Write a paragraph, using good sentences and
grammar.
Explain what happened when we heated the air in the flask and caught it in
the balloon.
Be sure you describe:
 How and why volume is changing as it gets heated
 How the speed of the molecules are changing
 How the density is changing.