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
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
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 |
---|---|---|
Hunan Education Edition Third Grade Science Volume 1 | pptx | 6 MB |
Description
"Compressed Air" air PPT courseware
Introduction to the production methods and principles of air guns
(1) Prepare a straw and a bamboo chopstick. The size of the bamboo chopstick should be able to be inserted into the straw.
(2) Wet the toilet paper, pinch two small pieces of toilet paper and roll them into a ball slightly larger than the mouth of the straw.
(3) Stuff two toilet paper balls into both ends of the straw, making sure they are tightly stuffed.
(4) Insert bamboo chopsticks from one end of the straw and push the toilet paper ball forward about two centimeters.
(5) Aim the straw at the target and push the bamboo chopsticks in quickly. The toilet paper ball at the front will be pushed by the air and pop out, making a sound.
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File Info
Update Time: 2024-12-01
This template belongs to science courseware Hunan Education Edition Third Grade Science Volume 1 industry PPT template
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