Fifth Grade Science Volume 1, Textbook Edition
Science Edition for Sixth Grade Science Volume 2
Third Grade Science Volume 2, Textbook Edition
Science Edition for Sixth Grade Science Volume 1
Third Grade Science Volume 1, Textbook Edition
Fourth Grade Science Volume 2, Textbook Edition
Fourth Grade Science Volume 1, Textbook Edition
Qingdao Edition Fourth Grade Science Volume 2
Fourth-grade science volume 2 of the E-education edition
Hunan Education Edition Fourth Grade Science Volume 1
E-education edition fifth grade science volume 2
Fifth Grade Science Volume 2, Textbook Edition
E-education edition fifth grade science volume 1
Qingdao Edition Fifth Grade Science Volume 2
Hunan Education Edition Fifth Grade Science Volume 2
E-education edition sixth grade science volume 1
Category | Format | Size |
---|---|---|
Science Edition for Sixth Grade Science Volume 1 | pptx | 6 MB |
Description
"The Power of Arch" Shape and Structure PPT
Part 1: Testing the load-bearing capacity of the paper arch
Make a paper arch and see how much weight it can bear.
How do paper arches deform?
When the arch is under pressure, the arch legs will push to both sides, producing an outward pushing force.
How can I keep the shape of the paper arch unchanged?
Use two books to secure the arch's feet and test how much weight the paper arch can bear.
Observe how the shape of the paper arch changes as the bearing capacity increases.
How can the paper arch be made to carry more weight?
Use more books to secure the arch's feet and test how much weight the paper arch can bear.
The secret of arch load-bearing
When the arch carries weight, it can transmit the pressure downward and outward to the adjacent parts. The various parts of the arch squeeze each other and combine more closely.
Pressure on the arch will produce an outward pushing force. Against this force, the arch can carry a large amount of weight.
The power of the arch PPT, part two: building a melon-skin arch
Taking advantage of the characteristics of the arch, people can build very large arches using small pieces of bricks and stones.
Let's give it a try.
Cut the semicircular watermelon rind into 5 pieces, paying attention to the direction of the cuts, and then carefully build a watermelon rind arch.
Can we explain why the watermelon skin arch doesn't collapse?
The watermelon rind arch transmits the force it receives downward and outward to the adjacent parts. Each part of the arch is squeezed against each other and combined more closely, so the watermelon rind arch will not collapse.
Keywords: Free download of the Chinese PPT courseware for the first volume of the sixth grade of the textbook version, the power of the arch PPT download, the shape and structure PPT download, .PPT format;
For more information about the "Shape and Structure Power of Arches" PPT courseware, please click the Shape and Structure ppt Power of Arch ppt tag.
"Building a "Bridge" with Paper" Shape and Structure PPT Teaching Courseware:
"Build a Bridge from Paper" PPT Teaching Courseware on Shape and Structure Part One: Introduction to the New Lesson We have seen many bridges and walked on many bridges. In the last lesson, we also learned about the characteristics of several main types of bridges. Today, let us work together to build our own...
"Building a "Bridge" with Paper" Shape and Structure PPT Download:
"Build a Bridge with Paper" Shape and Structure PPT Download Part One Content: Hands-on practice to clarify the requirements for making a paper bridge: Within the specified time, use a piece of newspaper and a small amount of tape to build a bridge, which is required to span 35 cm wide Canyon, width greater than 10 cm..
"Building a "Bridge" with Paper" Shape and Structure PPT:
"Build a Bridge with Paper" Shape and Structure PPT Part 1: Bridge Building Standards Within the specified time, use a piece of newspaper and a small amount of tape to build a bridge. Requirements: The bridge can span a 35 cm wide canyon, the width is greater than 10 cm, and it can carry a vehicle weighing 200 grams...
File Info
Update Time: 2024-10-01
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