Chapter 4 Ecosystems and Living Organisms Ecosystems and Living Organisms.
FOOTHILL HIGH SCHOOL SCIENCE DEPARTMENT Chapter 4 Ecosystems & Communities Section 4-1 The Role of...
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Transcript of FOOTHILL HIGH SCHOOL SCIENCE DEPARTMENT Chapter 4 Ecosystems & Communities Section 4-1 The Role of...
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FOOTHILL HIGH SCHOOL SCIENCE DEPARTMENT
Chapter 4Ecosystems & Communities
Section 4-1Section 4-1
The Role of ClimateThe Role of Climate
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FOOTHILL HIGH SCHOOL SCIENCE DEPARTMENT
What is Climate?
• WeatherWeather–The Day-To-Day Condition of The Day-To-Day Condition of
Earth’s Atmosphere at a Earth’s Atmosphere at a Particular Time & PlaceParticular Time & Place
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FOOTHILL HIGH SCHOOL SCIENCE DEPARTMENT
What is Climate?
• ClimateClimate–The Average Year-after-Year The Average Year-after-Year
Conditions of Temperature & Conditions of Temperature & Precipitation in a Particular Precipitation in a Particular RegionRegion
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FOOTHILL HIGH SCHOOL SCIENCE DEPARTMENT
What is Climate?
• Climate Is Caused By:Climate Is Caused By:–Trapped HeatTrapped Heat
–LatitudeLatitude
–WindsWinds
–Ocean CurrentsOcean Currents
–PrecipitationPrecipitation
–Shape of LandShape of Land
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FOOTHILL HIGH SCHOOL SCIENCE DEPARTMENT
The Greenhouse Effect
Key ConceptKey Concept::
Carbon Dioxide (COCarbon Dioxide (CO22), Methane ), Methane
(CH(CH44), Water Vapor, and a Few ), Water Vapor, and a Few
Other Atmospheric Gases Trap Other Atmospheric Gases Trap Heat Energy and Maintain Earth’s Heat Energy and Maintain Earth’s Temperature Range.Temperature Range.
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FOOTHILL HIGH SCHOOL SCIENCE DEPARTMENT
The Greenhouse Effect
• The Atmosphere Acts Like An Insulating The Atmosphere Acts Like An Insulating BlanketBlanket
• The Gases Act Like The Glass In A The Gases Act Like The Glass In A GreenhouseGreenhouse
– Without Them Earth Would Be 30Without Them Earth Would Be 30oo Celsius CoolerCelsius Cooler
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FOOTHILL HIGH SCHOOL SCIENCE DEPARTMENT
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FOOTHILL HIGH SCHOOL SCIENCE DEPARTMENT
Effect of Latitude on Climate
Key ConceptKey Concept:: As a Result of Differences in As a Result of Differences in
Latitude & Thus The Angle of Latitude & Thus The Angle of Heating. Earth Has Three (3) Heating. Earth Has Three (3)
Main Climate Zones:Main Climate Zones:1.1. PolarPolar2.2. TemperateTemperate3.3. TropicalTropical
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FOOTHILL HIGH SCHOOL SCIENCE DEPARTMENT
Effect of Latitude on Climate
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FOOTHILL HIGH SCHOOL SCIENCE DEPARTMENT
Effect of Latitude on Climate
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FOOTHILL HIGH SCHOOL SCIENCE DEPARTMENT
Effect of Latitude on Climate
• Polar ZonesPolar Zones– Sun’s Rays Strike At Low AngleSun’s Rays Strike At Low Angle– Located At Each Pole Between 66.5Located At Each Pole Between 66.5oo & 90 & 90oo
North & South LatitudesNorth & South Latitudes
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FOOTHILL HIGH SCHOOL SCIENCE DEPARTMENT
Effect of Latitude on Climate
• Temperate ZonesTemperate Zones– Seasonal Hot & ColdSeasonal Hot & Cold
• Tilt of Earth & Angle of SunlightTilt of Earth & Angle of Sunlight– Between Polar & Tropic ZonesBetween Polar & Tropic Zones
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FOOTHILL HIGH SCHOOL SCIENCE DEPARTMENT
Effect of Latitude on Climate
• Tropic ZoneTropic Zone– 23.523.5oo North & South of the Equator North & South of the Equator– Receives Nearly Direct SunlightReceives Nearly Direct Sunlight
• Climate Mostly WarmClimate Mostly Warm
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FOOTHILL HIGH SCHOOL SCIENCE DEPARTMENT
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FOOTHILL HIGH SCHOOL SCIENCE DEPARTMENT
Heat Transport in the Biosphere
• Unequal Heating DrivesUnequal Heating Drives– WindsWinds– Ocean CurrentsOcean Currents
• These Forces These Forces Transport HeatTransport Heat Through Through The BiosphereThe Biosphere– Hot RisesHot Rises– Cold DescendsCold Descends
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FOOTHILL HIGH SCHOOL SCIENCE DEPARTMENT
Heat Transport in the Biosphere
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FOOTHILL HIGH SCHOOL SCIENCE DEPARTMENT
Heat Transport in the Biosphere
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FOOTHILL HIGH SCHOOL SCIENCE DEPARTMENT
Heat Transport in the Biosphere
• Land Mass Topography Affects Currents Land Mass Topography Affects Currents By Disrupting The Flow of Current, and By Disrupting The Flow of Current, and Therefore, The Distribution of Heat.Therefore, The Distribution of Heat.
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FOOTHILL HIGH SCHOOL SCIENCE DEPARTMENT
Heat Transport in the Biosphere
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FOOTHILL HIGH SCHOOL SCIENCE DEPARTMENT