Fifth Grade Science Volume 1, Textbook Edition
Science Edition for Sixth Grade Science Volume 2
Third Grade Science Volume 2, Textbook Edition
Science Edition for Sixth Grade Science Volume 1
Third Grade Science Volume 1, Textbook Edition
Fourth Grade Science Volume 2, Textbook Edition
Fourth Grade Science Volume 1, Textbook Edition
Qingdao Edition Fourth Grade Science Volume 2
Hunan Education Edition Fourth Grade Science Volume 1
E-education edition fifth grade science volume 2
E-education edition fifth grade science volume 1
Qingdao Edition Fifth Grade Science Volume 2
Zhejiang Education Edition Seventh Grade Science Volume 2
Fifth Grade Science Volume 2, Textbook Edition
Fourth-grade science volume 2 of the E-education edition
Hunan Education Edition Fifth Grade Science Volume 2
Category | Format | Size |
---|---|---|
Science Edition for Sixth Grade Science Volume 2 | pptx | 6 MB |
Description
"One Day's Garbage" Environment and our PPT teaching courseware
Part One: Garbage Classification Methods
Sort waste according to material
Plastic, metal, glass, paper, cloth, etc.
According to whether it is poisonous or not
Toxic waste, non-toxic waste
According to whether it is easy to rot or not
Perishable garbage, non-perishable garbage
Sort by waste source
Domestic waste, industrial waste, agricultural waste, etc.
Domestic waste refers to solid waste generated in daily life or activities that provide services for daily life, and solid waste that is regarded as domestic waste according to laws and administrative regulations.
Industrial waste refers to the solid waste discharged during the production process of machinery, light industry and other industries. Such as cutting debris, grinding debris, waste molding sand from the machinery industry, activated carbon residue from the food industry, bricks, tiles, gravel, concrete fragments from the silicate industry and construction industry, etc.
Agricultural waste is also called agricultural waste. According to its composition, it mainly includes two categories: plant fibrous waste and livestock and poultry manure. It is the difference between resource input and output material and energy in the agricultural production and reproduction chain. It is the key factor in resource utilization. The loss share of material energy produced.
One day of garbage PPT, part 2: garbage disposal methods
1. Landfill method:
——As the name suggests, it is to find an open space and bury the garbage.
2. Incineration method:
——After sorting the garbage, send it to the incinerator for burning.
3. Composting method:
——Stack the garbage to rot the fiber and organic matter of the waste and turn it into fertilizer to improve the soil.
4. Comprehensive utilization
One day of garbage PPT, part three: focus of this section
1. Garbage refers to the solid waste generated by human beings in the process of survival and development. It is usually divided into domestic waste, industrial waste and agricultural waste according to the source of the waste.
2. Domestic waste can generally be divided into four categories: recyclable waste, kitchen waste, hazardous waste and other waste.
3. Garbage disposal methods: ① Landfill ② Incineration ③ Compost ④ Comprehensive utilization
Keywords: Free download of the science PPT courseware for the second volume of the sixth grade in the textbook version, a day's garbage PPT download, environment and us PPT download, .PPT format;
For more information about the PPT courseware "Environment and our daily garbage", please click the "Environment and our daily garbage ppt" tab.
"One Day's Garbage" Environment and Us PPT download:
"One Day's Garbage" Environment and Us PPT Download Part One: Introduction of New Lessons We consume food and various daily necessities every day, and at the same time, we also produce a lot of garbage. How much trash does my house produce in a day? What's in the trash? let us..
"One Day's Garbage" Environment and Us PPT:
"One Day's Garbage" Environment and Us PPT Part One: My Family's One Day's Garbage We consume food and various daily necessities every day, and at the same time, we also produce a lot of garbage. How much trash does my house produce in a day? What's in the trash? Try...
File Info
Update Time: 2024-09-08
This template belongs to science courseware Science Edition for Sixth Grade Science Volume 2 industry PPT template
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