"The Sun" PPT courseware 15

"The Sun" PPT courseware 15
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E-education edition sixth grade science volume 2 pptx 6 MB
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"The Sun" PPT courseware 15

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"The Sun" PPT courseware 15

What is the central object of the solar system? Why?

The central object of the solar system is the sun.

The mass of the sun accounts for 99.86% of the total mass of the solar system, and other celestial bodies orbit the sun.

internal structure of the sun

The sun is divided into the core, radiation layer, troposphere and photosphere from the inside to the outside.

The surface temperature of the sun is approximately 5,500 degrees Celsius, and the internal temperature is approximately 15 million degrees Celsius.

sunspot

Black spots often appear on the surface of the sun, which are sunspots. It is caused by the huge swirling airflow on the surface of the sun.

flare

Sometimes a suddenly enlarged and brightened patch appears on the surface of the sun, called a flare.

Since there is an angle of 5 degrees between the earth's orbit and the moon's orbit, the moon will move to a specific position at a specific time, so that the sun, moon and earth are aligned. At this time, the moon just covers the sun, thus forming A solar eclipse.

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For more information about "The Sun" PPT courseware, please click on the "Sun ppt" tab.

"The Cosmic Environment of the Earth" The Earth in the Universe PPT (The influence of the sun on the earth in the second lesson):

"The Cosmic Environment of the Earth" The Earth in the Universe PPT (The Influence of the Sun on the Earth in the Second Lesson) Part One: Strengthening the Implementation of Basic Knowledge [ Key Points for Self-Reading Textbooks] 1. The Effect of Solar Radiation on the Earth The impact of 1. Overview of the Sun (1) Shape: Huge blazing gas...

Two cartoon rainbow sun PPT background pictures:

These are two cartoon rainbow sun PPT background pictures. The background elements include: rainbow, white clouds, clouds, and cartoon sun. .PNG format;..

"The Influence of the Sun on the Earth" Earth in the Universe PPT courseware:

"The Influence of the Sun on the Earth" Earth in the Universe PPT courseware Part One Contents: Course Standard Explanation 1. Analyze the data, explain the main impact of solar radiation on the earth, and understand that conventional energy sources such as coal and oil are solar energy fixed by organisms in geological history. (Comprehensive thinking) 2...

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Update Time: 2024-09-03

This template belongs to science courseware E-education edition sixth grade science volume 2 industry PPT template

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"The Sun" PPT courseware 15
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