day to day variations › temperature › cloud cover › precipitation › humidity
Post on 19-Dec-2015
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Weather, Climate, Solar Radiation &
Energy Transfer
Standard 6
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Weather
Day to day variations› Temperature› Cloud cover› Precipitation› Humidity
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ClimateLong term weather› Annual temperature› Annual precipitation› Average yearly snow pack› Desert climate, rainforest, etc.
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Heat Transfer Radiation Convection Conduction
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Radiation transfer of energy by electromagnetic
waves. Can carry energy through space (does
not need matter)
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Solar radiation- EM spectrum
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Heat Imbalance
Poles & equator receive the same amount of solar energy
Equator: direct, high angle (90 degrees), high intensity solar energy
Poles: indirect, low angle (30 degrees) solar energy › Solar energy spread out
over a larger area
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Heat Imbalance
Intense heat at the equator is distributed around the world› Movement of air & water
Heat imbalance wind (cause) (effect)
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Coriolis Effect
Caused by rotation of Earth
Causes water & air to curve
N Hemisphere clockwise
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Energy Transfer Light Energy Chemical Energy
› Photosynthesis (by plants)› Chemical energy
Stored energy Sugar
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ENERGY Transfer
Chemical energy Mechanical & Heat energy
› Respiration (every cell does this)› Mechanical energy: movement
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ENERGY
1.Solar2.Chemical 3.Mechanical & heat
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Greenhouse Effect & Global Warming
Greenhouse Effect› Natural warming › Atmosphere traps the heat (blanket)› No greenhouse effect on Earth it would
be too cold for life (all water frozen) Global Warming
› Increasing concentrations of CO2 (GHG, traps in more heat)
› Increasing temperatures
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Vocab Absorb
› Waves taken in› Changed into heat
Reflect› Waves bounce off an object› Are NOT changed into heat