"Who has the best heat transfer ability" Cold and hot PPT courseware

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Hunan Education Edition Third Grade Science Volume 2	pptx	6 MB

"Who has the best heat transfer ability" Cold and hot PPT courseware

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Upload Time: 2024-10-01

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"Who has the best heat transfer ability" Cold and hot PPT courseware

How objects transfer heat

Do this: put wooden rods, iron rods, glass rods, and plastic rods of the same length and thickness into a cup of hot water at the same time, and compare how quickly they transfer heat.

Different materials have different heat transfer capabilities

Objects such as copper, iron, and aluminum that are good at conducting heat are called good conductors of heat.

Objects such as wood, glass, and plastic that are not good at conducting heat are called poor conductors of heat.

Think about what materials are used to make the insulated box, and why were these materials chosen?

What materials do I need to prepare to design and make my own insulation box?

Application in daily life

The wine container made in my country more than 2,000 years ago is divided into two containers: an inner and outer container. The square container with strong heat transfer capacity is used to hold wine. The interlayer between the outer container and the inner container holds hot water in winter and ice in summer.

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Update Time: 2024-10-01

This template belongs to science courseware Hunan Education Edition Third Grade Science Volume 2 industry PPT template

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"Who has the best heat transfer ability" Cold and hot PPT courseware