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Climate and How They
Change
By Mr. V. Calzada And Mrs. Swanson
Vocabulary Quiz
1. Almost all weather occurs in the lowest layer of air, or
____________________, that surrounds Earth. The atmosphere
stretches about 1000 km (620 mi) from the Earth’s surface to outer
space.
2. As air warms, its weight, or ___________________, lessens.
___________________is the force that the particles of air exert on a
surface such as the ground.
3. _________________is the amount of water vapor in the air.
4. ______________refers to the conditions that exist in the atmosphere
over a short period, ranging from just one day to perhaps a week.
5. In contrast, _______________refers to the average weather conditions in
an area over a long period, spanning at least a month and usually longer.
6. A _______________is a boundary between two air masses (cold and
warm air).
7. _______________is an amount over a period of time.
Review: What type of weather is associated
with high and low air pressure?
Cold air
sinks!
Warm
humid air
rises!
Review: Analyze and Interpret the Weather
1. In what direction is the
Map
2.
3.
4.
5.
warm front moving?
In what direction is the
cold front moving?
What is the high and low
temperature in Houston,
Texas?
How is the weather going
to change in Minneapolis
during the next couple of
water?
Is there an area of low or
high pressure near New
York city? How do you
know?
Review: What forms between warm and cold
fronts when they collide?
Water vapor
will condense
and create
storms or
precipitation.
What is climate?
• Repeated weather conditions.
•
•
•
•
Same temperature
Same wind speed and directions
Same precipitation amounts
Etc.
• Same type of weather year after year or longer.
• Usually expressed as an average.
• Usually are expressed over latitudes.
What affects the world’s climates?
• Prevailing Winds
• Ocean currents
• Shape of the land
• Uneven hitting of the Earth
• Humans
World Climates
Climate Zones
Humans Affect Climate: Global Warming
Consequences of Global Warming
Answer to Global Warming?
Burn
Less
Fossil
Fuels
Use
Alternative
Sources of
Energy!