Fifth Grade Science Volume 1, Textbook Edition
Science Edition for Sixth Grade Science Volume 2
Science Edition for Sixth Grade Science Volume 1
Third Grade Science Volume 2, Textbook Edition
Fourth Grade Science Volume 2, Textbook Edition
Fourth Grade Science Volume 1, Textbook Edition
Third Grade Science Volume 1, Textbook Edition
Fourth-grade science volume 2 of the E-education edition
Qingdao Edition Fourth Grade Science Volume 2
E-education edition fifth grade science volume 1
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 sixth grade science volume 1
Zhejiang Education Edition Seventh Grade Science Volume 2
People's Education Press Fourth Grade Science Volume 2
Category | Format | Size |
---|---|---|
People's Education Press Fifth Grade Science Volume 1 | pptx | 6 MB |
Description
"Making Mechanical Toys" Construction and Simple Machinery PPT Courseware
Discussion 1 What is the direction of rotation of the two pulleys?
Both pulleys rotate in the same direction.
Discussion 2 When the large pulley and the small pulley are used as wheels of the engine, what is the rotation of the other pulley?
(1) The big pulley is used as the engine wheel, and the small wheel rotates quickly.
(2) The small pulley is used as the engine wheel, and the big wheel rotates slowly.
Discussion 1 The above experiment shows that what are the characteristics of a gear when it transmits its own motion to another gear?
opposite direction
Those with a large number of teeth rotate slowly
Discussion 2 Where are gear transmissions used in life?
Cars, airplanes, ships, computers, radios, agricultural machinery, various production lines, etc.
Keywords: Construction and simple machinery teaching courseware, Making mechanical toys teaching courseware, People's Education Edition fifth grade science PPT courseware download, fifth grade science slide courseware download, Construction and simple machinery PPT courseware download, Making mechanical toys PPT courseware download, .PPT format;
For more information about the PPT courseware "Construction and Simple Machinery to Make Mechanical Toys", please click the "Construction and Simple Machinery ppt to Make Mechanical Toys ppt" tag.
File Info
Update Time: 2024-11-24
This template belongs to science courseware People's Education Press Fifth Grade Science Volume 1 industry PPT template
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