World Geography - Seneca High School

World Geography Seneca High School-ppt Download

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World GeographyChapter 3 Weather andClimate Chapter 3 Section 1 Factors thataffect climate .
I The Sun and Latitude Tilt of the earth as the planet revolves around Determines which hemisphere receives the mostdirect sunlight which causes changing seasons Sun s energy .
of the energy is absorbed in the atmosphere Earth s surface absorbs the other Solar form the Sun energy is converted into heat andmeasured according to temperature The Sun and Latitude cont .
Greenhouse Effect earth s atmospheretraps heat energy The greenhouse effect helps keep theplanet warm but recent evidence showsthat the Earth has gotten noticebaly.
warmer What might cause this The Sun and Latitude cont So what activities might be causing globalEric Cartman s backside Animals .
No humans probably activities like 1 Burning coal or fossil fuels 2 The oil industry Burning oil coal natural gas and otherfossil fuels add CO2 to our atmosphere .
And CO 2 absorbs heat thus raising the II Atmospheric Pressure The air around you is constantly pushingyou a force called atmospheric pressure or air pressure .
As you climb a mountain there is less airpushing you down thus the air getsthinner is harder to breath as humans Air pressure cont At such high altitudes air is too thin to.
breath that is why plane s are air sealedand pressurized When you fly on a plane your ears popbecause of the changes in air and cabin Hopefully this doesn t happen to you on a.
plane because of the air pressure change Air pressure cont Low pressure area when air is heated itexpands becomes less dense and rises creating a low pressure area As the air.
rises and cools the water vapor it carriesforms into clouds Low pressure usually accompaniesunstable weather conditions Centers of low pressure are called.
Cold air is dense and sinks towardsEarth s surface creating centers of high High pressure systems usually bring morestable weather conditions Global Wind Belts.
Global wind belts cont Prevailing winds winds that blow from thesame direction most of the time Sailors use the prevailing winds to guide The zone of winds along the equator is.
calm with no prevailing winds called the Global wind belts cont A front occurs when two air masses ofvastly different temperatures collide III Oceans and Currents.
Oceans also affect climate Location in respect to an ocean changesclimate Landlocked areas will be coolerthan locations near oceans because ofwarm currents that carry heated waters .
Chapter 3 Section 2 WeatherFactors I Precipitation The process with which water changes fromliquid to a gas is called evaporation .
The amount of water vapor in the air is called Condensation is the process with which watervapor changes from gas to a liquid Hurricanes the most powerful anddestructive tropical cyclones .
Typhoons hurricanes in the WesternPacific Ocean areas Asia Tornadoes twisting spirals of air in themiddle latitude areas The U S has more tornadoes than any other.
So weather how bout it Section 3 3 Climate andVegetation Patterns Tropical Climates Tropical Humid Climates.
Example Vietnam Indonesia Areas close to the equator They never have truly cold weather Because the warm air is always rising this unstable airleads to almost daily thunderstorms and heavy rainfall .
In some parts of the tropical humid climates all rainfall isconcentrated into a wet season similar to Conditioner is better I make thehair silky and smooth Section 3 3 cont .
Tropical wet and dry climates Just to the N and S of the tropical humid Also called the tropical savanna climate A savanna is an alternating pattern of wet and dry Section 3 3 cont .
Dry Climates Arid climates stable sinking dry air all year Locations include Mexico Southern Africa and South America for example Soils tend to be thin and rocky .
Since this topic can be so Dry It s time for one of Stecken s riddles Try to figure out the answer to thefollowing pictures by combining them .
Considering something In deep thought Any ideas If peeing your pants is cool Consider meMiles Davis Semiarid climate .
Receive more moisture than Arid climates butless than more humid areas Humid subtropical climate Found on the eastern side of continents wherethere are warm air ocean currents .
Usually contains forests Section 3 3 cont Deciduous forests trees that lose theirleaves during part of the year Coniferous forests remain green all year .
Section 3 3 cont High latitude climates Subarctic climate Canada Greenland Northern Russia parts of northern Europe Cold climate but also supports vast.
evergreen forests Tundra climate permanently frozen soilcalled permafrost Section 3 3 cont Ice Cap climate found on Earth s polar.
Air pressure cont. At such high altitudes, air is too thin to breath, that is why plane’s are air sealed and pressurized. When you fly on a plane, your ears pop because of the changes in air and cabin pressure. Hopefully this doesn’t happen to you on a plane, because of the air pressure change.

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