1. S4 – Weather Unit
Image copyright Joseph Kerski

2. Lesson 4 – Air Masses

3. Starter Describe in 5 words: The weather in summer
The weather in winter

4. The UK’s weather is affected by Air Masses
The UK’s weather is affected by Air Masses. We name them based on where they come from….
Tropical
Polar
Arctic
Which of these are polar, arctic or tropical?

5. The UK’s weather is affected by Air Masses
The UK’s weather is affected by Air Masses. We name them based on where they come from….and what they have travelled over to reach us
Continental
Maritime
Which of these 5 are continental and which are maritime?

6. On your sheets:
Cut out the air masses and place them in the correct places around your map. One is a red herring!
Arctic Maritime
Polar Continental
Tropical Maritime
Tropical Continental
Arctic Continental
Polar Maritime
Which of these 5 are continental and which are maritime?

7. Complete this passage in your books…
The UK w____________ is affected by ____ masses. These come from different r________. There are (number) areas where they come from. These are ________, ________ and _________ regions. Air masses can either cross _________ or _____________.
Which air mass do you think is:
Coldest
Warmest
Wettest
Driest
Weather, Air, Regions, 5, Polar, Arctic and Tropical, Land, Sea.

8. Arctic Maritime
Very Cold and Wet
Polar Maritime
Cool and Wet
Polar Continental
Cold and Dry
Tropical Maritime
Warm and Wet
Tropical Continental
Very Warm and Very Dry

9. What is the story behind these headlines?
Snow o’clock! North-East of England receives record 40cm overnight
Burn baby burn: Cornwall experiences summer heatwave with record temperatures today!
Rain, rain, rain in Wales – flood warnings increase
Which air mass was involved?

10. PLENARY
Send a tweet informing people how air masses affect our weather.
Hashtags are allowed
Abbreviations are allowed
Be careful – you only have 140 characters!