| Category | Format | Size |
|---|---|---|
| People's Education Edition Geography for Grade 8 Volume 1 | pptx | 6 MB |
"Water Resources" China's natural resources PPT courseware 6
Description
"Water Resources" China's natural resources PPT courseware 6
1. Water is a precious resource
1. The concept of water resources
Broadly speaking: the total amount of water on the earth including seawater
Narrow sense: refers to the fresh water resources on the earth.
2. my country’s water resources
my country's water resources: the total amount ranks sixth in the world.
The per capita possession is 1/4 of the world average, ranking behind 110th place. More than half of the country's 670 cities suffer from water shortages to varying degrees, and more than 110 of them suffer from serious water shortages.
The total amount is large, the per capita amount is small, and water resources are scarce.
2. Uneven spatial and temporal distribution of water resources
1. From the perspective of time allocation: more in summer and autumn, less in winter and spring
what to do? ? build reservoir
2. From the perspective of spatial distribution:
More in the east and less in the west
More south and less north
what to do? ? South to North Water Diversion
3. Save water and protect water resources
On the one hand, the supply of water resources in our country is quite tight, but on the other hand, the utilization rate of water resources is low and the waste is alarming. Therefore, saving water and protecting water resources is one of the important ways to solve the problem of water shortage in our country.
Ask students to calculate:
1. Agricultural water consumption reaches 450 billion cubic meters every year. If the effective utilization rate is increased by 10%, how many billion cubic meters of water will be added every year?
Saving water and protecting water resources should start from me, start from small things, let everyone remember this sign, cherish and rationally use every drop of water
Spatial distribution of water resources in my country
Uneven
More in the east and less in the west
More south and less north
Build a reservoir--solve the problem of uneven time distribution of water resources
Keywords: China's natural resources teaching courseware, water resources teaching courseware, People's Education Edition eighth grade geography PPT courseware download, eighth grade geography slide courseware download, China's natural resources PPT courseware download, water resources PPT courseware download, .PPT Format;
For more information about the "Water Resources China's Natural Resources" PPT courseware, please click the Water Resources PPT China's Natural Resources PPT tab.
"Care for Water Resources" Water in Nature PPT Teaching Courseware:
"Care for Water Resources" PPT teaching courseware on water in nature, 17 pages in total. The new lesson introduces the beautiful scenery of the Three Gorges, which makes us yearn for infinitely; the Yangtze River, the largest river in my country, provides us with abundant water resources. ... ... ... New Lesson Explanation 1. Human beings possess...
"Care for Water Resources" Water in Nature PPT (Lesson 2):
"Care for Water Resources" Water in Nature PPT (Lesson 2), 18 pages in total. Learning Objectives 1. Protect water resources and save water. 2. Understand the water-saving signs and know the water-saving methods commonly used in life. 3. Recognize that water resources are closely related to personal life and chemistry learning..
"Care for Water Resources" Water in Nature PPT (Lesson 1):
"Care for Water Resources" Water in Nature PPT (Lesson 1), 26 pages in total. Learning Objectives 1. Understand the water resources status of the world and my country. 2. Learn to use a dialectical approach to view the abundance and limitation of water resources. 3. Understand water crisis issues such as water pollution and water depletion..
File Info
Update Time: 2024-06-30
This template belongs to Geography courseware People's Education Edition Geography for Grade 8 Volume 1 industry PPT template
"Water Resources" China's natural resources PPT courseware 6 Simple campus recruitment activity planning plan summary enterprise and institution recruitment publicity lecture PPT template is a general PPT template for business post competition provided by the manuscript PPT, simple campus recruitment activity planning plan summary enterprise and institution recruitment promotion Lecture PPT template, you can edit and modify the text and pictures in the source file by downloading the source file. If you want more exquisite business PPT templates, you can come to grid resource. Doug resource PPT, massive PPT template slide material download, we only make high-quality PPT templates!
Tips: If you open the template and feel that it is not suitable for all your needs, you can search for related content "Water Resources" China's natural resources PPT courseware 6 is enough.
How to use the Windows system template
Directly decompress the file and use it with office or wps
How to use the Mac system template
Directly decompress the file and use it Office or wps can be used
Related reading
For more detailed PPT-related tutorials and font tutorials, you can view: Click to see
How to create a high-quality technological sense PPT? 4 ways to share the bottom of the box
Notice
Do not download in WeChat, Zhihu, QQ, built-in browsers, please use mobile browsers to download! If you are a mobile phone user, please download it on your computer!
1. The manuscript PPT is only for study and reference, please delete it 24 hours after downloading.
2. If the resource involves your legitimate rights and interests, delete it immediately.
3. Contact information: service@daogebangong.com
"Water Resources" China's natural resources PPT courseware 6, due to usage restrictions, it is only for personal study and reference use. For commercial use, please go to the relevant official website for authorization.
(Personal non-commercial use refers to the use of this font to complete the display of personal works, including but not limited to the design of personal papers, resumes, etc.)
Preview
Related Search:
