"Earth's Revolution" PPT download

Description

"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?

The phenomenon of day and night alternation, the difference in time, the sun, moon and stars rising in the east and setting in the west

Earth's revolution PPT, part 2: think about it

1. Why does the time for the flag-raising ceremony in Tiananmen Square always change?

2. Is the level of daylight at 7:00 a.m. the same in winter and summer?

3. Teacher has already circled the sun 29 times. Will I plan to circle the sun dozens more times in the future? Do you believe? Why?

The direction and period of revolution

How does the earth rotate?

The Earth goes around the sun

What is the direction of the earth's revolution?

from west to east

How long is the period of the Earth's revolution?

A year is about 365 days.

What are the characteristics of the earth's revolution?

As the Earth revolves, its axis is tilted so that its northern end always points near the North Star. The earth's orbit is elliptical.

Earth's revolution PPT, the third part: the division of five zones

How are the five zones on the earth divided?

The earth is a huge sphere. At different latitudes, the sunlight exposure is different. There is more or less light and heat, and there are differences in cold and heat. We divide the earth's surface into five zones based on how much solar heat is received at different latitudes.

The Earth’s Revolution PPT, Part 4: Exercises and Assignments

practise

1. Revolution: While the earth is ______, it is also constantly rotating around ______.

2. The direction of the earth’s revolution is: ______________.

3. The period of the earth’s revolution is: ______________.

4. The geographical significance of the earth’s revolution is: _________, __________________, __________________.

Operation

1. Record the knowledge points of this lesson.

2. Complete the corresponding exercises in synchronous tutorials.

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

"The Revolution of the Earth" PPT teaching courseware:

"The Revolution of the Earth" PPT teaching courseware New lesson study 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 is obtained. The coldness and heat of the earth's surface are related to noon...

"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 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: 2024-07-01

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

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