"Salt and Cement" PPT

"Salt and Cement" PPT
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Qingdao Edition Fifth Grade Science Volume 1 pptx 6 MB
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"Salt and Cement" PPT

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"Salt and Cement" PPT

Part I: Characteristics of salt and cement

Add table salt to water and observe the changes in the salt

How to get salt out of water again?

Observe changes in cement

Salt and Cement PPT, Part 2: Summary

Like salt, water, glass, etc., after a substance changes, it can be restored to its original state through a certain method. This change is called a reversible change; such as cement, wood, seeds, etc., a change that cannot be restored to its original state after a change is called an irreversible change.

Keywords: Qingdao version fifth grade science PPT courseware free download, salt and cement PPT download, .PPT format;

For more information about the "Salt and Cement" PPT courseware, please click the "Salt and Cement ppt" tab.

"Salt and Cement" PPT courseware:

"Salt and Cement" PPT courseware Part One: Changes in Salt Light the alcohol lamp, heat the salt water, and observe, what changes have occurred in the salt water? You can clearly see the precipitated salt particles. (restored to its original state) Experimental conclusion By giving...

File Info

Update Time: 2024-10-02

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"Salt and Cement" PPT
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