"What's on the Moon" PPT courseware

Description

"What's on the Moon" PPT courseware

The moon has been closely associated with people since ancient times. The bright moonlight and changing moon shape have aroused poets' nostalgia and emotion, and people have endless exploration and reverie: What is on the moon?

Lunar data

1. The moon is the closest celestial body to us, with an average distance of 384,400 kilometers from the earth, a diameter of 3,476 kilometers, and a volume equivalent to 1/49 of the earth.

2. The surface of the moon is undulating. The brighter areas we see on the moon's surface are plateaus, while the darker areas are vast plains.

3. The most striking feature of the lunar surface is the dotted craters, the largest of which is 235 kilometers in diameter. Observation found that the shape of craters is very similar to craters and meteor craters.

4. The gravity on the moon's surface is only equivalent to 1/6 of the gravity on the earth's surface.

5. There is no air or water on the moon. The temperature difference between day and night is large, with the highest temperature during the day reaching 127°C and the lowest temperature at night dropping to minus 183°C.

The earth is the cradle of mankind, but mankind will not live in the cradle forever. When humans choose to step outside the earth, the first stop will naturally be the "unknown" land closest to us - the moon. Maybe many years later, when we look back at the history of human landings on the moon, we will feel that the achievements we have made so far are meager, but they have had a profound impact on human progress. As a man who set foot on the moon said: "Although this is just me One small step for mankind, one giant leap for mankind!”

In the 21st and 22nd centuries, humans will immigrate to the moon and build lunar villages. The lunar village will use solar energy for heating, use water found on the moon to produce vegetables and food, and build various living facilities. The important task of the lunar village is to mine nitrogen-3 and transport it back to the earth to use this thermal energy to generate electricity and supply the electricity needed around the world. Humanity will also develop tourism for people on earth to visit lunar villages.

Expansion exercises

1. Do you know there are still unsolved mysteries on the moon?

2. If you landed on the moon in 30 years, what would you do?

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File Info

Update Time: 2024-11-21

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

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