"Our Clothes" Various Materials PPT Courseware

Category	Format	Size
Hunan Education Edition Third Grade Science Volume 1	pptx	6 MB

"Our Clothes" Various Materials PPT Courseware

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Upload Time: 2024-11-09

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Description

"Our Clothes" Various Materials PPT Courseware

How have the fabrics used to make clothes changed from ancient times to today?

Our primitive ancestors made clothing from leaves (skin) or animal skins.

The development of the textile industry during the Tang and Song Dynasties brought about qualitative changes in the materials used for clothing (mainly cotton, linen, and silk).

With the development of modern science and technology, clothing materials have gradually changed to cotton and chemical fiber as the main materials. In addition, there are also special space suits suitable for space.

Investigate what our clothes are made of

Look at the materials listed on your clothing labels. And fill in the results you see in the table below.

Fabrics for making clothes can be divided into natural and synthetic (chemical fiber) according to their materials:

Natural materials include cotton, linen, silk, wool, leather, etc. Synthetic materials include acrylic, polyester, spandex, vinylon, etc.

What are the different characteristics of clothes made of different materials?

Research on clothing materials

Put different clothing materials tightly on the flashlight and observe carefully with a magnifying glass to check the luster, texture, fiber thickness, etc. of the different clothing materials.

Test the wear resistance of different clothing materials

Wrap different fabrics on a small wooden block and sand on fixed sandpaper. Compare which clothing material is the most wear-resistant.

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For more information about the PPT courseware "Various Materials Our Clothes", please click the Various Materials PPT Our Clothes ppt tag.

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Update Time: 2024-11-09

This template belongs to science courseware Hunan Education Edition Third Grade Science Volume 1 industry PPT template

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"Our Clothes" Various Materials PPT Courseware