Conduction of heat — task. Science CBSE, Class 7 New.

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எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்

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Choose the best answer:

1. Which of the following best describes a poor conductor of heat?

A material that reflects heat
A material that does not allow heat to pass through it easily
A material that produces heat
A material that allows heat to pass through it easily

2. During a science experiment, you are provided with four materilas: copper, wood, plastic, and iron to demostrate heat conduction and insulation, Which of the following pair would you prefer?

Iron and copper
Wood and plastic
Wood alone
Copper and plastic

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16. Conduction of heat

Exercise condition: