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Transfer of Heat - Conduction
2 Tutorials that teach Transfer of Heat - Conduction
Next Generation: MS.PS3.3

Transfer of Heat - Conduction

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Objective:

Our physical science tutorial explains why you burn your hands when you touch a stove. By using a real life example explaining that heat transfers through conduction, physical science can be applied and understood in context. Learn about one of the three main ways heat is transferred, and how we classify objects according to how well they transfer heat.

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Conduction

Heat can be transferred through materials in three main ways. They are conduction, convection and radiation. In all three cases heat will always transfer from the hotter object to the cooler object.

Conduction is heat transfer by direct contact. For example, if you were heating up water in a metal can on a campfire and you were to grab the can with your hand it would burn you. The heat would be transferred from the fire to the can to your hand. Some materials transfer heat better than others. Materials that transfer heat well are called conductors and these are materials such as metal. Materials that do not transfer heat well are called insulators and include things like rubber or wood.

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Taylor Purington over 1 year ago

How does a potholder prevent you from getting burned and doesn't burn itself if it is made out of fabric?

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Sophia Lord answered 27 days ago

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Ted Siefkes answered 7 months ago

Fabric is a poor conductor of heat, plus the temperature at which the potholder will ignite is at a much higher temperature than the temperature of the pot. Our tender skin with many nerve endings will quickly detect the temperature of the surface of our skin and we feel the heat transfer.

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