conduction, convection, & radiation...radiation •release of invisible heat energy waves from...
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![Page 1: Conduction, Convection, & Radiation...RADIATION •Release of invisible heat energy waves from the sun or fire. •Feel warm without touch –heat radiates. •When the radiant energy](https://reader033.vdocuments.us/reader033/viewer/2022042108/5e88132b2ebce13d3976c282/html5/thumbnails/1.jpg)
CONDUCTION, CONVECTION, AND RADIATION
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HEAT ENERGY
• Energy is what makes things happen.
• All materials are made of tiny particles called molecules.
• Molecules are always moving.
• The movement creates heat.
• The amount of heat depends on how fast the molecules move.
• As the molecules move faster, they take up more space and make the object expand.
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HEAT TRANSFER
•Heat can be transferred from one object to another in 3 different ways:
•Conduction
•Convection
•Radiation
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CONDUCTION
• Heat traveling through solids.
• Two objects must touch or have direct contact.
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EXAMPLES OF CONDUCTION
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CONVECTION
• Heat traveling through liquids or gases
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EXAMPLES OF CONVECTION
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RADIATION• Release of invisible heat energy waves from the sun or fire.
• Feel warm without touch – heat radiates.
• When the radiant energy from the sun hits the earth, the earth soaks up the energy and changes it into heat.
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EXAMPLES OF RADIATION