Explain why a child cannot touch a hot pot in kid friendly language. Is roasting a marshmallow over a campfire an example of conduction? Why or why not?
Understand the Problem
The question is asking about heat transfer, specifically conduction. There are two questions. The first questions asks to explain why a child cannot touch a hot pot in kid friendly language. The second question asks whether roasting a marshmallow over a campfire is an example of conduction, and prompts for an explanation.
Answer
Touching a hot pot will burn you. Roasting a marshmallow is convection, not conduction.
Touching a hot pot will make your hand very hot and burn your skin because skin is not made to touch high temperatures. Roasting a marshmallow is not conduction. It's convection because the hot air transfers heat to the marshmallow.
Answer for screen readers
Touching a hot pot will make your hand very hot and burn your skin because skin is not made to touch high temperatures. Roasting a marshmallow is not conduction. It's convection because the hot air transfers heat to the marshmallow.
More Information
Conduction is heat transfer through direct contact. Convection is heat transfer through a fluid e.g. air or water.
Tips
A common mistake is confusing conduction and convection. Remember conduction is direct contact, and convection involves the movement of fluids.
Sources
- Is a marshmallow that is toasted by a campfire an example ... - Quora - quora.com
- Marshmallow Toasting Science - Wedge Community Co-ops - wedge.coop
- Conduction | CK-12 Foundation - flexbooks.ck12.org
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