| Category | Format | Size |
|---|---|---|
| Science Edition for Sixth Grade Science Volume 2 | pptx | 6 MB |
"Earth's Satellite - Moon" Universe PPT Courseware 3
Description
"Earth's Satellite—The Moon" Universe PPT Courseware 3
Do you know who the satellites of the Earth are?
Since ancient times, we humans have been exploring the moon.
“One small step for me, one giant leap for mankind.”
On July 20, 1969, the American "Apollo 11" spacecraft sent humans to the moon for the first time. Astronaut Armstrong was the first to set foot on the moon, and humans successfully landed on the moon for the first time.
The so-called maria is not the ocean on the moon, but a relatively low-lying plain on the moon without a drop of water. Many people believe that the lunar maria was formed when a small celestial body hit the moon, breaking the lunar crust, causing the lunar mantle to flow out, and the basalt magma covered the lowlands, forming the lunar maria.
Crater means "bowl" in Greek, so it is also called a bowl-shaped pit structure. There may be two reasons for the formation of craters, one is the result of meteorite impact, and the other is volcanic activity; but most ring structures are the result of meteorite impact.
How does the moon move?
The moon orbits the earth in a counterclockwise direction.
Basic data of the moon:
The diameter of the moon is about 1.4 times that of the earth
The mass of the moon is about 1.80 times that of the earth
The volume of the moon is approximately 1.49 times that of the earth
The moon's gravity is about 1.6 times that of the earth
1. The moon moves around the earth ( ).
A. Planet B. Satellite C. Star D. Comet
2. There are many ( ) on the moon
A. Crater B. Volcano C. Lake D. Snow mountain
3. The diameter of the moon is about one ( ) of the diameter of the earth.
A, two B, three C, four D, five
4. The mass of the moon is about ( ) one-third of the mass of the earth.
A. Eighty B. Seventy C. Sixty D. Fifty
5. A person who weighs 120 kilograms on the earth will weigh ( ) kilograms on the moon.
A, 120 B, 60 C, 20 D, 30
6. The first person to leave footprints on the moon was ( ) Armstrong.
A.Britain B.United States C.France D.Germany
7. The name of my country’s first man-made lunar satellite is ( ) No. 1.
A. Cowherd B. Chang'e C. Weaver Girl D. Exploration
8. The planet closest to the earth is ( ).
A. Sun B. Moon C. Venus
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For more information about the PPT courseware "Universe Earth's Satellite Moon", please click the Universe PPT Earth's Satellite Moon PPT tab.
"Earth's Satellite - Moon" Universe PPT Teaching Courseware:
"Earth's Satellite Moon" Universe PPT Teaching Courseware Part One: Introduction of New Lesson What is a Star? planet? satellite? Star: Made of hot gas and capable of emitting its own light. (Sun) Planet: does not emit its own light, revolves around the star, and has a certain mass..
"Earth's Satellite - Moon" Universe PPT Download:
"Earth's Satellite Moon" Universe PPT Download Part One: New Lesson Introduction What poems and songs about the moon do you know? There was bright moonlight in front of the bed, which was probably due to frost on the ground. Raise your head to look at the bright moon, lower your head to think about your hometown. The bright moon rises on the sea, and the world is at this moment together. I wish you long life...
"Earth's Satellite - Moon" Universe PPT:
"Earth's Satellite Moon" Universe PPT Part One: Human Exploration of the Moon Since ancient times, people have continuously improved observation tools to explore and understand the moon. In ancient times, people observed the moon with the naked eye and used stones, charcoal, etc. to record their observations. 4..
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Update Time: 2024-07-29
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