(if you weren’t here yesterday, you won’t be held responsible for the Four Spheres)
23
Prepare yourself to prove your understanding of Solstices, Equinoxes, and Four Spheres (if you weren’t here yesterday, you won’t be held responsible for the Four Spheres).
(if you weren’t here yesterday, you won’t be held responsible for the Four Spheres)
(if you werent here yesterday, you wont be held responsible for
the Four Spheres).
Slide 3
Understand the difference between weather and climate.
Understand how LACEMOPS affect climate
Slide 4
Weather: the daily condition of the atmosphere which includes
temperature and precipitation. (think: weather or not to wear a
coat today). Climate: average weather over an extended period of
time. Precipitation: Moisture that falls from the sky (rain, snow,
sleet, hail)
Slide 5
L atitude A ir Masses C ontinentality E levation M ountain
Barriers O cean Currents P ressure and Prevailing Winds S
torms
Slide 6
The most important factor. Low latitude: high temperature.
Middle latitude: temperate High latitude: low temperature
Slide 7
Cold air from the polar regions, warm air from the tropics. Air
takes on the characteristics of the land or water it passes
over.
Slide 8
Water moderates climate. Water takes longer to cool/heat than
land. Farther inland = winter & summer extremes.
Slide 9
The higher the elevation, the colder and drier the air. Think:
peaks of mountains have snow.
Slide 10
Each member of your table pick one of the four factors
affecting climate youve learned so far (LACE) On your whiteboard,
write a small paragraph explaining that factor as if your audience
was a third grader. Use pictures if you want. You might be picked
to share your answer with the class.
Slide 11
Mountains stop storms & air masses Orographic effect:
Windward side gets precipitation. Leeward side is dry. Dry side is
called a rain shadow.
Slide 12
cool / wet air o c e a n Orographic Effect mountain VERY cold
air warm / dry air desert Windward sideLeeward side Rain
Shadow
Slide 13
Move heat back and forth between the tropics and the polar
regions.
Slide 14
Slide 15
High pressure comes from heavy, cold air; low pressure from
warm, light air HILO Prevailing winds: Trade winds (E W) Westerlies
(W E) Doldrums (calm areas around equator)
Slide 16
Slide 17
Where cold & hot air masses collide, there are storms.
Where Westerlies meet polar winds, there are storms. N. Hemi:
counter- clockwise S. Hemi: clockwise
Slide 18
Slide 19
Types of storms: Tornadoes: form quickly; relatively small
diameter; usually in middle latitudes Hurricanes: ocean storms that
cover large areas and take days to form Typhoon: hurricanes in the
western Pacific Ocean
Slide 20
Slide 21
Title Pages 24 and 25 in your ISN: Greenhouse Effect and Global
Warming. Use p. 41 of your book to define greenhouse effect and
global warming Write your groups Climate Regions (from yesterday)
on the board. Copy those of other groups, finishing your CR
Chart.
Slide 22
Slide 23
Caused by greenhouse gases: Water Vapor (up to 79%) Carbon
Dioxide (up to 26%) Methane (up to 9%) Ozone (up to 7%) Burning
fossil fuels causes more CO2 in the air. Evidence from ice core
samples shows a distinct increase in greenhouse gasses in the
atmosphere since the mid 20 th century.
Slide 24
Read pages 58-59 in your textbook. Also look at the satellite
images on p. 77 and the atlas p. 31. Make a Venn Diagram comparing
and contrasting the North Pole and Antarctica (top of 25 in your
ISN, below warm up). Answer the questions on the board thoroughly
and in complete sentences (page 25 in your ISN).