"The Revolution of the Earth" PPT teaching courseware

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"The Revolution of the Earth" PPT teaching courseware

new lesson learning

While the earth rotates, it also revolves around the sun.

Rule: The height of the noon sun at direct point A is 90 degrees. The farther away from the direct point A, the lower the height of the noon sun and the less heat it gets.

The heat and coldness of the earth's surface is related to the height of the sun at noon and the length of the day. Why do the height of the sun at noon and the length of the day change?

Activity: Observe the demonstration of the Earth's revolution. Analyze the characteristics of the Earth's revolution by simulating the demonstration as shown in the figure:

Center of rotation: Sun

Direction: from west to east (counterclockwise)

Earth's axis points: always pointing north, maintaining an angle of 66.5 degrees with the orbital surface

Class exercises

1. While the earth is rotating, it is also constantly revolving around _____. The time for one revolution is _____ years.

2. People divide the earth’s surface into five zones: _____ zone, _____ zone, _____ zone, _____ zone, and _____ zone.

3. When the sun shines directly at the equator, which of the following statements is correct ( )

A. This must be the vernal equinox B. The northern hemisphere has longer days and shorter nights C. The global day and night are equinoxed D. The southern hemisphere is the summer solstice

4. Read the diagram of the Earth’s revolution and answer the following questions.

⑴ Use arrows to mark the direction of the Earth’s revolution in the picture.

⑵When the earth rotates to position B, it is the _____ solar term in the northern hemisphere, and the sun shines directly on _____.

⑶When the earth rotates to position C, _____ phenomenon occurs in the area south of the Antarctic Circle. The length of day and night in Zaozhuang City is _____.

⑷On October 1, 2009, our country held a National Day military parade in Beijing to commemorate the 60th anniversary of the founding of the People's Republic of China. At that time, the earth was in orbit around the sun, roughly moving in the _____ (range) in the figure above.

A． Between AB B. Between BC C. Between CDs D. between AD

Keywords: Business Planet Edition seventh grade geography PPT courseware free download, Earth’s revolution PPT download, .PPT format;

For more information about the "Earth's Revolution" PPT courseware, please click on the Earth's Revolution PPT tab.

"The Revolution of the Earth" PPT courseware download:

"Earth's Revolution" PPT courseware download Part 1: Self-study guidance 1. Direction and period of revolution 1. What is the Earth's revolution? 2. What is the direction of the earth's revolution? What is the cycle? 3. What are the characteristics of the earth’s revolution? 4. The earth’s revolution will...

"The Revolution of the Earth" PPT download:

"Earth's Revolution" PPT Download Part One: Knowledge Review 1. What is the axis of rotation of the Earth? Earth's axis 2. What is the direction and period of rotation? Direction: from west to east Period: one day or 24 hours 3. What geographical phenomena are caused by rotation? day..

"The Revolution of the Earth" PPT courseware:

"The Revolution of the Earth" PPT courseware Part One Content: Characteristics of the Earth's Revolution 1. Concept of revolution: The Earth revolves around the sun 2. Direction: from west to east 3. Period: about one year 4. Space direction: Polaris... . .. ... Earth's revolution PPT, Part 2..

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Update Time: 2024-07-04

This template belongs to Geography courseware Business Planet Edition 7th Grade Geography Volume 1 industry PPT template

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