Fifth Grade Science Volume 1, Textbook Edition
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Science Edition for Sixth Grade Science Volume 1
Third Grade Science Volume 2, Textbook Edition
Third Grade Science Volume 1, Textbook Edition
Fourth Grade Science Volume 2, Textbook Edition
Fourth Grade Science Volume 1, Textbook Edition
Fourth-grade science volume 2 of the E-education edition
Qingdao Edition Fourth Grade Science Volume 2
Hunan Education Edition Fourth Grade Science Volume 1
E-education edition fifth grade science volume 1
E-education edition fifth grade science volume 2
E-education edition sixth grade science volume 1
Fifth Grade Science Volume 2, Textbook Edition
Zhejiang Education Edition Seventh Grade Science Volume 2
Qingdao Edition Fourth Grade Science Volume 1
Category | Format | Size |
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Third Grade Science Volume 1, Textbook Edition | pptx | 6 MB |
Description
"Materials Around Us" PPT Courseware 4
Have we ever observed what materials the objects around us are made of? Which materials are the most common?
Why do we use them so much?
Materials we know
Identify six common materials. Do we know their properties? Try to describe each of them with appropriate words.
Common ones include metal, wood, plastic, glass, paper, fiber, etc.
Metal
It has unique luster and opaqueness, and is rich in malleability, ductility, thermal conductivity, and electrical conductivity.
wood
It is yellowish white, with texture on the surface, not too heavy, and can be cut easily. After sawing, it has sawdust and can float on water.
plastic
It is very light, will not rust, and has good transparency and wear resistance. easily transformed.
Glass
It is transparent and is generally used in buildings to isolate wind and light.
Paper
Very thin and used for writing.
fiber
It is very elastic and can be used to make clothes.
Investigate the materials around you
Look at yourself and the classmates next to you, what materials are made of the items you wear, wear and carry, and try to write them in the table below.
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"Classifying the Materials Around Us" Materials around us PPT:
"Classifying the Materials Around Us" Materials Around Us PPT Part One Content: Classifying Them Based on the knowledge learned previously, take a look at what materials the items in the picture below are made of? Classify these items according to the materials used, writing at least...
"Bricks, Ceramics, Porcelain" Materials around us PPT:
"Bricks, Ceramics, and Porcelain" Materials Around Us PPT Part One: Bricks and Ceramics Where have we seen bricks? What is the main use of bricks? Use appropriate words to describe the brick. I can describe bricks like this: boxy with rough surface..
"The Sink and Float of Materials in Water" Materials around us PPT:
"The Sinking and Floating of Materials in Water" Materials Around Us PPT Part One: Sinking and Floating Experiment If common materials such as wood, paper, metal, and plastic are put into water, which of them will float and which will sink? Collect something made of wood, metal, plastic...
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Update Time: 2024-10-26
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