Thousand-kilometer Pearl River sea-joining model

Abstract

The invention belongs to the technical field of teaching appliances, and relates to a geography teaching aid, in particular to a thousand-kilometer Pearl River sea-joining model which is composed of two parts including a small water pump and a thermoplastic molded hard plastic film housing. According to the thousand-kilometer Pearl River sea-joining model produced by the technical scheme, water supplied by a micro-electric water pump tumbles in the U-shaped grooves of the trunk stream and the branch streams of the Pearl River on the rectangular color-printed and thermoplastic molded hard plastic film housing which is higher in the northwest area and the lower in the southeast area and which is provided with the convex and convex characteristics of the Pearl River drainage basin terrain so that the dynamic Pearl River sea-joining demonstration is presented. The thousand-kilometer Pearl River sea-joining model achieves teaching with pleasure, can present the geographic knowledge of the Pearl River more visually than images and texts on a printed geography textbook, can excite the interests of students to learn the geography of the Pearl River so that it is easy to understand and memorize the geography of the Pearl River. The thousand-kilometer Pearl River sea-joining model is suitable as not only a geography teaching tool, but also a toy, and is more suitable as a souvenir to visit the Pearl River.

Description

technical field [0001] The invention belongs to the technical field of teaching aids, and relates to a geography teaching aid, in particular to a model of a thousand-mile Pearl River entering the sea. Background technique [0002] The Pearl River is the second longest river in China and the third longest river. The Pearl River originally refers to the 96-kilometer waterway from Guangzhou to the mouth of the sea. The Pearl River originates from the Maxiong Mountains of the Wumeng Mountains on the Yunnan-Guizhou Plateau, with a total length of 2,320 kilometers. It flows through six provinces in central and western China and northern Vietnam, and flows into the South China Sea from eight estuaries downstream. Most people learn about the Pearl River from geography textbooks, but geography textbooks are flat-printed graphics and texts, which are boring and not intuitive. Although the three-dimensional sand table model of the Pearl River is intuitive, it is cumbersome and difficul...

AI Technical Summary

Problems solved by technology

Most people learn about the Pearl River from geography textbooks, but geography textbooks are flat-printed graphics and texts, which are boring and not intuitive. Although the three-dimensional sand table model of the Pearl River is intuitive, it is cumbersome and difficult to transport and Portable, and the cost is high, and it cannot be demonstrated in the geography class that the Pearl River enters the sea

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