"Protect the Biosphere-Start from Yourself" PPT

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"Protect the Biosphere-Start from Yourself" PPT

Part One: The relationship between humans and the biosphere

Human survival and development depend on the biosphere

Human activities can affect the biosphere

domestic waste

Our country's current annual urban waste volume is 130 million tons. In the future, with the further development of urbanization, the amount of urban waste will continue to increase. It is expected that by 2020, the annual amount of urban garbage nationwide will reach more than 200 million tons

Garbage classification

Garbage classification is to make better use of resources, prevent unnecessary waste of resources, and reduce environmental pollution.

Types of garbage

Recyclable waste: waste paper, waste plastic, waste metal, waste glass, waste fabric, etc.

Non-recyclable garbage: peels, vegetable leaves, leftovers, etc.

Hazardous waste: waste batteries, waste fluorescent lamps, waste mercury thermometers, expired medicines, etc.

Protecting the Biosphere - Start with Yourself PPT, Part 2: Discuss:

What can we do as individuals to better reduce our waste problem?

Source reduction: use less disposable products, extend product service life, and do not over-package products

Protecting the Biosphere - Start with Yourself PPT, Part Three: Classroom Exercises

1. The truth behind the sentence "Garbage is a resource misplaced by human beings" is ( )

A. Domestic waste is dangerous and harmful B. Domestic waste can be recycled and reused

C. Domestic garbage should be placed in the trash can D. Domestic garbage should be buried

2. What is usually called “white pollution” refers to ( )

A. White smoke from the factory B. White dust from the factory

C. White plastic waste D. White building materials

3. Which of the following municipal wastes are hazardous wastes ( )

A. Picking vegetable peels and leftover rice B. Waste plastics and waste rubber

C. Waste wood, waste pipes D. Waste batteries, waste fluorescent tubes

4. Protecting the environment is the responsibility of every citizen. Which of the following practices is beneficial to protecting the environment ( )

① Promote the use of phosphorus-free laundry detergent ② Promote the use of disposable wooden chopsticks ③ Excessive use of chemical fertilizers and pesticides ④ Promote the use of clean energy

A, ①④ B, ②③ C, ①③④ D, ①②③④

5. The following garbage disposal methods are unreasonable ( )

A. Landfill B. Garbage incineration

C. Dumping garbage into the sea D. Compressing garbage

Keywords: Jiangsu Education Edition seventh grade biology PPT courseware for the second volume is free to download, protecting the biosphere starts from oneself PPT download, .PPT format;

For more information about the PPT courseware "Protecting the Biosphere Starts from Oneself", please click the "Protecting the Biosphere Starts from Oneself" ppt tag.

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Update Time: 2024-11-17

This template belongs to biology courseware Jiangsu Education Edition Seventh Grade Biology Volume 2 industry PPT template

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