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Qingdao Edition Third Grade Science Volume 2	pptx	6 MB

"Knowledge in the Spring" PPT

Author: ︶￣Ｓs°╮

Upload Time: 2024-09-30

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Qingdao edition third grade science volume 2, knowledge in the spring PPT

Part One: Play and Think

Play with toys and think:

1. What toys am I playing with?

2. What is my gameplay?

3. What phenomena occur during play?

4. What are my thoughts on this phenomenon?

How I play: Pull hard with both hands

What I discovered: The tensioner is very flexible

Knowledge PPT in the Spring, Part 2: Conjectures and Plans

Like a spring, when compressed or stretched, a force is generated to return to its original shape. This is elastic force.

My guess:

Items of different materials will (lengthen, flatten, bend...) after being compressed or stretched.

My solution:

Compress or stretch different items and observe the changes in shape.

Spring: shorten/lengthen, return to original shape, elastic

Balloon: Flatten, return to original shape, elastic

Rubber band: lengthens, returns to original shape, elastic

What I discovered: Like a spring, when it is compressed or stretched, it will generate a force to return to its original shape. This is elastic force.

Objects that can produce elasticity include:

Balloons, rubber bands, footballs, car seats, mattresses, bow strings, branches, etc.

Keywords: Qingdao version third grade science PPT courseware for the second volume free download, knowledge in the spring PPT download, .PPT format;

For more information about the PPT courseware "The Knowledge in the Spring", please click the "The Knowledge in the Spring" PPT tab.

"Knowledge in the Spring" PPT courseware:

Qingdao version of the second volume of third-grade science, the knowledge in the spring PPT courseware, the first part of the content: classroom games. Play the game: play with the spring ballpoint pen in your hand. Requirement: Tell me how you play. Share with everyone what you discovered in the game. ... .....

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Update Time: 2024-09-30

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Learning in the Spring PPT

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"Knowledge in the Spring" PPT