Energy Transfer in the Atmosphere Chapter 4 - Section 2 Pgs 99 - 102.
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Transcript of Energy Transfer in the Atmosphere Chapter 4 - Section 2 Pgs 99 - 102.
![Page 1: Energy Transfer in the Atmosphere Chapter 4 - Section 2 Pgs 99 - 102.](https://reader036.fdocuments.us/reader036/viewer/2022062320/56649d9c5503460f94a843d5/html5/thumbnails/1.jpg)
Energy Transfer in the Atmosphere
Chapter 4 - Section 2Pgs 99 - 102
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Energy from the SunEnergy from the SunMost of the EarthMost of the Earth’’s s energy comes from the energy comes from the sunsun
35% is reflected back 35% is reflected back into spaceinto space
15% is absorbed by the 15% is absorbed by the atmosphereatmosphere
50 % is absorbed by the 50 % is absorbed by the earthearth’’s surfaces surface
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HeatHeat
energy that flows from an object with a higher temperature to an object with a lower temperature
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HeatHeatHeat always moves from a warmer place to a cooler place.
Hot objects in a cooler room will cool to room temperature.
Cold objects in a warmer room will heat up to room temperature.
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Question?Question?
If a cup of coffee and a red popsicle were left on the table in this room what would happen to them? Why?
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AnswerAnswer
The cup of coffee will cool until it reaches room temperature. The popsicle will melt and then the liquid will warm to room temperature.
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Heat TransferHeat TransferThe Earth is heated by energy from the sun
This heat is then transferred through the atmosphere by radiation, conduction or convection
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RadiationRadiation energy transferred in the form of waves or rays
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ConductionConduction The transfer of heat that occurs when molecules bump into each other
Energy transferred through direct contact
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ConvectionConvection Transfer of heat by the flow of material
Convection circulates heat throughout the atmosphere
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ExampleExample
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The Water CycleThe Water CycleHydrosphere - all the waters on Earth
The constant cycling of water in the atmosphere and hydrosphere that plays an important role in determining weather patterns and climate types
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The Water CycleThe Water Cycle Evaporation - change of matter from a liquid to a gas state
Condensation - change of matter from a gas to a liquid state
Precipitation - rain, snow, sleet or hail that falls to the ground
Transpiration - giving off of moisture through the surface of leaves or other plant parts
Groundwater- water that collects and flows under ground
Runoff- water that runs along the surface of land into a body of water
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The Water CycleThe Water Cycle
Adding or subtracting heat keeps the cycle Adding or subtracting heat keeps the cycle goinggoing