"How the Yellow River Changes" PPT courseware

Description

"How the Yellow River Changes" PPT courseware

Introduction to the Yellow River

Yellow River, the second largest river in China. Originating from the Yuegu Zong Basin at the northern foot of the Bayan Har Mountains in the Qinghai Plateau, it winds eastward, crossing the Loess Plateau and the Huang-Huai-Hai Plain, and flows through Qinghai, Sichuan, Gansu, Ningxia, Inner Mongolia, Shanxi, Shaanxi, Henan, and Shandong 9 provinces and regions, etc., are injected into the Bohai Sea. The total length of the main stream is 5,464 kilometers (more than 10,000 miles), with a water surface drop of 4,480 meters. The total basin area is 795,000 square kilometers (including the inner flow area of ​​42,000 square kilometers).

The trouble is erosion

reclamation acre camp buckle

Toss, worry, live and multiply

River bed frequently complains

Self-reading text

Require:

1. Find out what the Yellow River originally looked like and what changes have occurred since then?

2. What are the reasons for the changes in the Yellow River? What disasters have its changes brought to people?

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"How the Yellow River Changes" PPT courseware 4:

"How the Yellow River Changes" PPT Courseware 4 First Reading Text The text focuses on the word change and focuses on introducing us to what aspects of the Yellow River? How does the Yellow River change... cradle, fertile, tossing, distress, dam, comparable to erosion, collapse, destruction...

"How the Yellow River Changes" PPT courseware 3:

"How the Yellow River Changes" PPT Courseware 3 Learning Objectives 1. Understand the evolution process of the Yellow River and the reasons for its changes, and cultivate students' awareness of protecting nature. 2. Clarify the context of the text and summarize the main ideas of the paragraphs. 3. Understand the lessons that the changes in the Yellow River teach people. ..

"How the Yellow River Changes" PPT courseware 2:

"How the Yellow River Changes" PPT Courseware 2 Please talk about the reasons for the changes in the Yellow River: First, since the Qin Dynasty, the temperature on the Loess Plateau has turned cold and heavy rains have concentrated. In addition, the loess itself has a loose structure and is easily eroded and collapsed, which contributes to soil erosion and makes a large amount of sediment...

File Info

Update Time: 2024-09-04

This template belongs to Chinese courseware People's Education Edition Chinese Language for Grade 4 Volume 2 industry PPT template

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