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Shanghai Education Edition Seventh Grade Geography Volume 2
Business Planet Edition Geography for Eighth Grade Volume 2
Category | Format | Size |
---|---|---|
Shanghai Education Edition Geography for Sixth Graders Volume 2 | pptx | 6 MB |
Description
"Earth Overview" PPT courseware
Part One Content: Learning Objectives:
shape of earth
size of earth
Earth's sphere
Earth Overview PPT, Part 2: Shape and Size of the Earth
1. Ancient people’s conjectures about the shape of the earth
Ancient Chinese believed that the sky was round and the earth was square.
Ancient Indian view of the earth
Ancient Indians believed that the earth was a round shield carried by three elephants, standing on the back of a tortoise, and the tortoise was straddling a cobra.
Ancient humans’ understanding of the shape of the earth also included:
The ancient Babylonians believed that the universe was a closed box and the earth was the floor of the box.
The ancient Hebrews believed that the earth was a flat plate.
The ancient Greeks believed that the earth was a round shield surrounded by an oceanic river.
Ancient Russians believed that the earth was a round shield carried by three whales.
2. Shape of the Earth
Is the earth a perfect sphere?
An irregular sphere that is slightly flattened at the poles and slightly bulging at the equator.
What other facts prove that the earth is spherical?
The hull of the sailing ship disappears before the mast
3. The size of the earth
Average radius: 6371km
Maximum circumference: about 40,000 kilometers
Earth overview PPT, the third part: Earth’s spheres
1. The internal structure of the earth
crust mantle core
2. Earth’s outer sphere
Do you know about the world beyond the earth?
Earth's position in the universe
Earth's position in the solar system
While the earth rotates, it also revolves around the sun.
Keywords: Shanghai Education Edition Geography PPT courseware for sixth grade volume 2 free download, Earth overview PPT download, .PPT format;
For more information about the "Earth Overview" PPT courseware, please click the Earth Overview ppt tab.
"Earth Overview" PPT:
"Earth Overview" PPT Part One Content: Learning Objectives Knowledge Objectives: Understand that the Earth is an ordinary planet in the universe and is the home of mankind. Master the shape and size of the earth...
File Info
Update Time: 2024-11-13
This template belongs to Geography courseware Shanghai Education Edition Geography for Sixth Graders Volume 2 industry PPT template
"Earth Overview" PPT courseware 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!
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