heat is transferred 3 ways conduction – the transfer of thermal energy between particles within a...
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Heat is Transferred 3 Ways
• Conduction – the transfer of thermal energy between particles within a substance by touchE.g. Getting a burn from picking up a hot pot on the stove
• Radiation – transfer of energy by electromagnetic waves E.g. Roasting marshmallows over a fire
• Convection –the transfer of thermal energy by movement of currents within a gas or a liquidE.g. Air and ocean current, boiling water
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HEAT TRANSFER SCENES
Physical Sciences
Can you identify which type of heat transfer is occurring?
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Ben’s breath on a cold day
Convection –The Ben’s breath is circulating in the air
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Hot cocoa
Convection –The heat in the hot cocoa is travelling in a current in the cupConduction –When your hand touches the cup
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Soup spoon in hot soup
Conduction –Heat transferred from soup to spoon through direct contact
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A geyser named Geysirs
-a hot spring that releases water and hot steam out of the
Earth’s surface Convection –Hot steam and water are circulating under and above ground in currents
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Chicks huddling under a heat lamp
Radiation –Heat is being transferred by electromagnetic waves (Light energy) via the heat lamp
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Baking chocolate cake
Convection –Heat in the oven circulates in currents to bake the cakeConduction –The woman is transferring heat to her oven mitts
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Melting ice cream
Conduction –Heat is being transferred from the hand to the ice cream cone causing the ice cream to melt
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Fireplace
Radiation –The room is being heated through electromagnetic waves (light energy)
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Boiling water
Convection –The heat is circulating in a current through the boiling water
Conduction –Heat is being transferred through touch from the hot water directly to the eggs