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Write down the names of four surfaces of Leslie Cube?

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Why does a cup of hot tea become cold after sometime?

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Why do we kept plants under the roof of fiber glass or plastic sheet in winter?

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Define radiation?

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What are thermals?

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Define rate of flow of heat?

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What is meant by convection currents?

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How do thermals help birds to fly for hours without flapping their wings?

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What is the thermos flask؟

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What is the scientific reason to wear white and light coloured cloths in summer?

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How does heat reaches us from the sun?

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Define thermal conductivity on what factors the rate of flow of heat depends?

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Explain the application and consequences of radiation?

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Define conductors and non conductors explain their uses?

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Define thermals. How it help the birds to fly for hours without flapping their wings?

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What do you know about global warming and green house effect explain?

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What are the consequence and applications of convection?Explain

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How heat can be transfer through convection? explain with the help of experiment.

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What do you know about sea breeze and land breeze explain?

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Define radiation explain with an experimentریڈی

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