| Category | Format | Size |
|---|---|---|
| Zhejiang Education Edition Seventh Grade Science Volume 2 | pptx | 6 MB |
"The Sun and the Moon" PPT download
Description
"The Sun and the Moon" PPT download
Part One: Introduction to the Moon
The diameter of the moon is approximately 3476 kilometers
About 1/4 the diameter of the earth
The volume of the moon is about 1/49 of the earth
About 1/400 the diameter of the sun
The mass of the moon is about 1/81 that of the earth
Why does the moon appear to be similar in size despite being much smaller than the sun?
The distance between the moon and the earth is much smaller than the distance between the sun and the earth. The distance between the moon and the earth is 1/400 of the distance between the sun and the earth.
Sun and Moon PPT, Part 2: Practice in class
1. Which of the following statements about the moon is correct ( )
A. The moon is a natural satellite orbiting the sun
B. The size of the earth is about the same as the moon
C. The moon itself can emit weak light
D. The moon shines by reflecting sunlight
2. The temperature difference between day and night on the moon’s surface is approximately ( )
A.3℃ B.30℃ C.300℃ D.3000℃
3. The daytime temperature on the moon’s surface reaches above 150℃ because ( )
A.The moon has a smaller mass than the earth
B. The moon is closer to the sun than the earth
C.The moon is smaller than the earth
D. The moon’s surface does not have the same atmosphere as the earth’s
4. The moon is actually much smaller than the sun but looks about the same size. The reason is ()
A. The moon and the sun are both very large. B. The moon and the sun are too far away from the earth. C. The moon is much closer to the earth than the sun. D. The moon and the sun are both spheres.
5. Among the following activities, astronauts cannot perform on the moon ( )
A. Collect rock samples B. Fly a kite C. Climb a mountain D. Run
Keywords: Zhejiang Education Edition seventh grade science PPT courseware for the second volume free download, Sun and Moon PPT download, .PPT format;
For more information about the "Sun and Moon" PPT courseware, please click on the "Sun and Moon ppt" tab.
"The Sun and the Moon" PPT courseware:
The first part of the "Sun and Moon" PPT courseware content: Some data about the sun 1. The diameter of the sun is about _______ kilometers 2. The surface temperature is about _____C 3. The center temperature is as high as ______C 4. The average distance between the sun and the earth is ____ _Kilometer 5, the mass of the sun accounts for the whole...
"The Sun and the Moon" PPT:
"The Sun and the Moon" PPT Part One: Learning Objectives 1. Understand the size of the sun...
File Info
Update Time: 2024-07-03
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