"Greening, our common action" PPT

Description

"Greening, our common action" PPT

Part One: Situation Import

Species on the verge of extinction due to deforestation

St. Helena redwood, a "living fossil" and "small gene pool" of plants, can be used as a kind of high-quality wood. Due to over-exploitation by early settlers, it is now in danger of extinction.

The Madagascar lemur has been blacklisted by humans due to excessive deforestation and shrinking of its habitat.

Palila bird

A bird found only in Hawaii. It is now on the verge of extinction because of predators that steal eggs, young birds and excessive deforestation.

learning target

1. Give examples of the relationship between forests and the survival of humans and animals.

2. Pay attention to the greening status of the school, propose campus greening plans, and participate in campus beautification activities.

Greening, our common action PPT, part 2: Pay attention to the forest

Discussion: What are the benefits of forests to human life?

Forests provide humans with abundant natural resources

Campus greening design

Campus greening design plan

Purpose: Pay attention to the greening situation of the school and carry out campus greening design.

Guidance: group investigation, design, reporting.

Greening, our common action PPT, part three: key points of campus greening design

Design a positive, vibrant, harmonious and beautiful artistic conception.

Pay attention to the greenery around the school gate and classrooms.

Minimize ground exposure.

Hedges and street trees can be planted on both sides of the school walkway.

Flowers in different flowering periods.

The selection of tree species and lawn plants is very important.

Pay attention to the greenery around the school gate and classrooms

The gate is a key place for greening and beautification. If it is well greened and beautified, it can give people a pleasing feeling.

The greening around the classroom must ensure good ventilation and lighting conditions in the classroom, giving people a bright and comfortable feeling.

Greening, Our Common Action PPT, Part 4: Standard Training

1. Our country determines which day of the year is Arbor Day ( )

A． September 10th B. March 12

C． July 1st D. April 12

2. Nature is our classroom. When you and your classmates are walking on a forest path lined with green trees and grass, you will feel that the air is particularly fresh and moist. At this time, what role does the green plants play in improving the air quality ( )

A． Photosynthesis and respiration B. respiration and transport

C． Photosynthesis and transpiration D. Transpiration and transport

3. Trees have strong ability to reduce dust. Which of the following is not the main reason why trees can reduce dust ( )

A. Lush branches and leaves can reduce wind speed and make large dust particles carried by the atmosphere fall to the ground.

B. The leaves of plants have rough surfaces and many hairs on them.

C. Can secrete oil and sticky substances

D. There are a large number of stomata on the leaf surface

4. Among the following plants, which are rare plants in my country ( )

A． Metasequoia and French tung tree B． Ginkgo, locust tree

C． Metasequoia, Ginkgo D. silver fir, arborvitae

Keywords: Jiangsu Education Edition seventh grade biology PPT courseware free download, Greening Our Common Action PPT download, .PPT format;

For more information about "The role of green plants in the biosphere, greening our common actions" PPT courseware, please click the "The role of green plants in the biosphere ppt greening our common actions" ppt tag.

"Greening, our common action" PPT courseware:

"Greening, Our Common Action" PPT courseware Part One: Pay attention to the forest Discussion: What is the relationship between forests and the survival of humans and animals? Forests provide humans with abundant resources, reduce the damage caused by strong light to humans, and cause species that are becoming extinct due to deforestation. Motor...

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Update Time: 2024-09-08

This template belongs to biology courseware Jiangsu Education Edition Seventh Grade Biology Volume 1 industry PPT template

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