"One Day's Garbage" Environment and Us PPT Courseware 4

"One Day's Garbage" Environment and Us PPT Courseware 4
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"One Day's Garbage" Environment and Us PPT Courseware 4

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"One Day's Garbage" Environment and Us PPT Courseware 4

Tell us about the time of day when you and your home generate waste.

Sprite plastic bottles, cabbage leaves, leftover rice (chicken bones, fish bones), waste newspapers, old batteries, yogurt bottles, snack bags, banana peels, apple peels, green onion leaves, old books, cans, expired medicines, melon seeds Peels, egg shells, cigarette boxes, orange peels, candy wrappers, celery leaves, potato peels, milk bags, lollipop sticks, peanut skins, shrimp skins, rags, cigarette butts, waste paper, foam, biscuit bags, wine bottles, toilet paper ,

think:

How many categories can garbage be divided into?

group discussion:

1. What kind of garbage is recyclable? What kind of garbage is non-recyclable?

2. What kind of garbage is hazardous garbage?

A person produces approximately 0.8 kilograms of garbage every day

Calculate how many kilograms of garbage are produced by the 50 families in my class every day?

What about the whole school?

Based on a truck with a load of 4 tons, how many trucks of garbage must be transported every day?

1. Tell me where the garbage in our home ends up? How was it handled?

2. Tell us about the impact of garbage on the environment?

Battery hazards:

1. Throwing a used AA battery into the sea can kill three small fish;

2. Throwing a No. 2 waste battery into a field can make one square meter of land barren of any grass;

3. If a button-sized waste battery is thrown into a river, it will pollute 600,000 liters of water, which is equivalent to a person's lifetime drinking water.

Small practice:

As a group, organize a large-scale garbage removal operation on campus to contribute to the campus environment.

Garbage disposal

1. Sanitary burial 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. Fertilizer method: Stack the garbage to rot the fiber and organic matter of the waste and turn it into fertilizer to improve the soil.

Keywords: The environment and our teaching courseware, a day's rubbish teaching courseware, download the science PPT courseware of the second volume of the sixth grade of the Education Science Edition, download the sixth grade science slide courseware, download the environment and us PPT courseware, download a day's rubbish PPT courseware, .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 our PPT teaching courseware:

"One Day's Garbage" Environment and Our PPT Teaching Courseware Part One Content: Garbage classification method: According to the material of the garbage, it is divided into plastic, metal, glass, paper, cloth, etc. According to whether it is toxic, it is divided into toxic garbage, and non-toxic garbage is divided into perishable according to whether it is perishable. Trash, not easy...

"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...

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Update Time: 2024-11-21

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