Conduction and Convection
Storyboard Text
- Hmm..Why do I feel so hot when I get close to my cup of tea?
- Let me ask Mr.Scientist.
- Meanwhile...
- When I touch this pan, I get a burn, but not on the handle. Why?
- Let me ask Mr.Scientist.
- Hello, My Friends!
- We have noticed some strange things in our house.
- Whenever I get close to my cup of tea, I start to feel hot.
- This is because of convection. Convection occurs when air/ liquid causes the heat to rise up, leading to you feeling warmer.
- I get a burn when I touch my pan, but not when I touch its handle. Why?
- This is because of conduction. Conduction occurs when heat gets transferred directly through conductors. Here, metal - which your pan is made up of, is a good conductor.But, this does not happen with insulators like plastic - which your handle is made up of.
- Now you have learnt the various ways heat can transfer.
- Thanks, Mr.Scientist!
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