Air Masses

Learning Target: I can describe the properties of air

masses that affect U.S. weather patterns.

Criteria for Success

❏ Corrrectly identify Atlantic & Pacific Oceans on a map

❏ Correctly identify Canada, Mexico & USA on map

❏ Correctly identify the various air masses that affect USA

❏ Read text and watch video for information

❏ Make inferences and generalizations based on text

5/5/20 Do Now: Copy and complete: (Remember to

proofread your sentences.)

Weather affects our daily lives because…

Weather affects our daily lives but…

Weather affects our daily lives so…

Learning Target: I can describe the properties of air masses that affect U.S. weather patterns.

Let’s watch the Video Clip- Air Masses

https://www.youtube.com/watch?v=QxvF1nnWRwg

Create a

3-2-1

chart and

fill in as

you view

the video.

Tool Box #46

Air Masses

Air Mass= a large body of air that has properties similar to

the part of Earth’s surface over which it develops

a) can cover thousands of square kilometers

b) six major air masses that affect weather in the USA

c) if developed over land, it will be dry; if developed over

water, it will be moist;

d) if developed over northern regions, it will be cooler ;if

developed over the tropics, it will be warmer.

Tool Box #46 Continued

Air Masses over the USA ❏ Label USA

❏ Label the Atlantic &

pacific oceans

❏ Label canada & mexico

❏ Based on what you

learned about air masses

in the reading, determine

the properties of air

masses that form over

areas on the map

❏ Use descriptions to

identify the types of air

masses as:

Continental Polar

Continental Tropical

Maritime Polar

Maritime Tropical

❏ Copy types and

descriptions onto your

paper & tape into NB(This slide is also attached as a worksheet . If possible, print it out,

complete and tape it in your notebook. If not, copy and label

diagram into your notebook. Use the following 4 slides to help you

label your map.)

Check your Work-----

Continental Polar cold, dry air

Continental Tropical hot, dry air

Maritime Polar cool, moist (humid) air

Maritime Tropical warm, moist (humid) air

Air Masses over the USA

Exit Slip: Unscramble the sentence below to find out

why air masses matter.

its of air mass will over area

weather determine The an type