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
Hunan Education Edition Fourth Grade Science Volume 1
E-education edition fifth 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 |
---|---|---|
Hunan Education Edition Sixth Grade Science Volume 2 | pptx | 6 MB |
Description
Hunan Education Edition Sixth Grade Science Volume 2, Xiaohe's Crying PPT
Part One: Classification of Water
Class I water is mainly applicable to source water and national nature reserves.
Class II water is mainly suitable for first-level protected areas of centralized drinking water sources, rare fish reserves, fish and shrimp spawning grounds, etc.
Category III water is mainly suitable for secondary protection areas of centralized drinking water sources, general fish protection areas and swimming areas.
Category IV water is mainly suitable for general industrial water areas and recreational water areas where the human body is not in direct contact.
Category 5 water is mainly suitable for agricultural water use areas and waters with general landscape requirements.
The Crying of the Little River PPT, Part 2: Water Pollution Investigation
Are our local waters also polluted? Let's go investigate together.
Colors, floats, flora and fauna, etc.
Strange smell, bad smell
Collect water samples and other evidence
Record the inspection situation and take photos
Keywords: Hunan Education Edition sixth grade science PPT courseware for the second volume is free to download, Xiaohe’s Crying PPT download, .PPT format;
For more information about the "Little River's Crying" PPT courseware, please click the "Little River's Crying" ppt tag.
File Info
Update Time: 2024-11-13
This template belongs to science courseware Hunan Education Edition Sixth Grade Science Volume 2 industry PPT template
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