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Shanghai Education Edition Seventh Grade Geography Volume 1
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Business Planet Edition Geography for Eighth Grade Volume 2
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Lu Ke version of high school geography compulsory course I
Shanghai Education Edition Geography for Sixth Graders Volume 1
People's Education Edition Geography for Eighth Grade Volume 2
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Shanghai Education Edition Seventh Grade Geography Volume 2
People's Education Press High School Geography Compulsory Course 1
Compulsory Course 1 of High School Geography in China Graphics Edition
Compulsory Course 2 of High School Geography in China Graphics Edition
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Category | Format | Size |
---|---|---|
People's Education Press High School Geography Compulsory Course 1 | pptx | 6 MB |
Description
"Earth's Cosmic Environment" Earth in the Universe PPT download
Part One Content: Independent Learning
This stage requires students to complete independent study of the textbook content within the specified time, focusing on the following issues:
01Core question one
The material existence form of the universe (classification of celestial bodies)
02Core question two
Levels of celestial systems (from large to small)
03Core question three
Astronomical Practical Observation (Observing Moon Phases)
04Core question four
The Ordinariness of the Earth (Compared to the Eight Planets)
05Core question five
The special characteristics of the earth (compared with the eight planets)
Earth’s cosmic environment PPT, part 2 content: Part 1 Earth’s position in the universe
Collaborative exploration 1
first group
Collect nebula materials
and simplify processing
Share picture video
second group
Collect stellar materials
and simplify processing
Share picture video
Group 3
Collect planetary materials
and simplify processing
Share picture video
Group 4
Search comet cloud materials
and simplify processing
Share picture video
Before the birth of the universe, there was no time, no space, no matter and no energy. The point in the "0" dimensional space that forms the gravitational collapse of the universe is called the singularity of the universe. At the singularity, the universe has no space and no time, and the radius of the universe approaches zero. A singularity is a "point" with infinite density, infinite heat, infinitely high temperature, infinite pressure, and infinitely small volume.
big bang cosmology
The "Big Bang Cosmology" believes that the universe was formed by the expansion of a dense and hot singularity after a big explosion 13.7 billion years ago. In 1927, Belgian astronomer and cosmologist Lemaître first proposed the Big Bang hypothesis. At the beginning of the explosion, matter could only exist in the form of elementary particles such as neutrons, protons, electrons, photons, and neutrinos. The continuous expansion after the explosion of the universe caused the temperature and density to drop rapidly. As the temperature decreases and cools, atoms, nuclei, and molecules are gradually formed and compounded into ordinary gases. The gas gradually condensed into nebulae, which further formed various stars and galaxies, eventually forming the universe we see today.
— Basic components of the universe —
Celestial bodies: the existence forms of matter in the universe
The universe exists objectively (the vast space and the celestial bodies and diffuse matter that exist in it)
Basis for judging celestial bodies
outside the earth's atmosphere
Must be the matter in the universe
part of a celestial body that is not attached to
Earth's cosmic environment PPT, the third part: Part 2 Observing moon phases
Collaborative inquiry 3
first group
1. Prepare a compass
2. Make an observation record sheet
3. Understand the observation method of the moon’s altitude angle
4. Select different team members to record within two weeks
second group
1. Prepare a compass
2. Make an observation record sheet
3. Understand the observation method of the moon’s altitude angle
4. Select different team members to record within two weeks
Group 3
1. Prepare a compass
2. Make an observation record sheet
3. Understand the observation method of the moon’s altitude angle
4. Select different team members to record within two weeks
Group 4
1. Prepare a compass
2. Make an observation record sheet
3. Understand the observation method of the moon’s altitude angle
4. Select different team members to record within two weeks
Earth’s cosmic environment PPT, Part 4 content: Part 3 Planet Earth
Ordinariness of the Earth
Isotropic: The direction of revolution is from west to east
Nearly circularity: the orbit around the sun is approximately circular
Coplanarity: The orbital surfaces are almost on the same plane
The peculiarity of the earth
The Earth is the only celestial body discovered by humans to have life. What conditions does the earth have for life to survive?
suitable temperature
Atmospheric conditions suitable for survival
There is liquid water
Keywords: PPT courseware for high school geography required by the People's Education Press is available for free download, Earth's cosmic environment PPT download, Earth in the universe PPT download, .PPT format;
For more information about the PPT courseware "The Earth in the Universe and the Earth's Cosmic Environment", please click on the "Earth in the Universe ppt Earth's Cosmic Environment ppt" tag.
"The Evolution of the Earth" Earth in the Universe PPT courseware:
"The Evolution of the Earth" Earth in the Universe PPT courseware Part 1: Basic review 1. Primitive atmosphere, oceans and land 1. Age of Earth: Approximately __________ years. 2. The formation of land: At the beginning of the birth of the earth, it was constantly hit by meteorites, which caused...
"The Evolution of the Earth" Earth in the Universe PPT:
"The Evolution of the Earth" The Earth in the Universe PPT Part One Content: Strengthening the foundation is just about implementing the "key points in self-reading textbooks" 1. Primitive atmosphere, oceans and land 1. The birth of the earth: It was formed _____ years ago. At the beginning of its birth, it was continuously hit by _____, causing the earth to...
"The Spherical Structure of the Earth" Earth in the Universe PPT courseware download:
"The Spherical Structure of the Earth" PPT courseware download of the Earth in the Universe Part One: Basic Review 1. The Earth's Internal Sphere 1. The division of circles is based on the different __________ of seismic waves in different materials. According to the propagation speed of seismic waves at different depths underground...
File Info
Update Time: 2024-09-07
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