| Category | Format | Size |
|---|---|---|
| Science Edition for Sixth Grade Science Volume 2 | pptx | 6 MB |
"Solar System" Universe PPT Courseware
Description
"Solar System" Universe PPT Courseware
Students, there is a beautiful galaxy in the vast universe. Do you know what it is?
In addition to the earth, there are many small celestial bodies around the sun that do not emit light themselves and can only be seen by reflecting sunlight.
What are they like?
The celestial body system with the sun as the center, including the eight planets orbiting it (including satellites orbiting the planets), dwarf planets, and small celestial bodies (including asteroids, meteors, comets, etc.) is called the solar system.
The huge solar system:
The solar system consists of the sun and a group of celestial bodies revolving around it. The sun is the only star in the solar system that emits heat. With its huge mass, it attracts other members to move around it in a certain orbit.
sun
The sun is at the center of the solar system and is its ruler.
Its mass is 745 times that of all the planets in the solar system combined.
Therefore, she has a strong enough attraction to lead her family members, large and small, to revolve around her.
How are you doing?
The teacher tells you a trick, I believe you will remember it immediately:
Water soaked the ground, fire burned the wood and turned it into earth, and the kings of heaven and sea cried out in pain! ! !
Planet: First, the planet must be a celestial body orbiting a star; second, the planet must have a large enough mass, and its own gravity must balance with the surface force to make it spherical; third, it must be able to clean up other objects around the orbit.
Dwarf planets: Pluto, Charon, Ceres, Xena
Small Solar System Objects: Objects orbiting the Sun that do not qualify as planets or dwarf planets, including comets.
Meteors and meteorites
Meteors are light trails produced by dust particles and solid blocks (meteoroids) in interplanetary space that break into the Earth's atmosphere and burn by friction with the atmosphere. Meteoroids originally moved around the sun. When they passed near the earth, they were affected by the earth's gravity and changed their orbits, thus entering the earth's atmosphere. Meteorites are the remaining parts of larger meteoroids in the solar system that were not completely burned after they broke into the earth's atmosphere. They bring us a wealth of information about the formation and evolution of the solar system's celestial bodies, and are welcome uninvited guests.
If the diameter of the sun is reduced to 14 centimeters, what would be the diameters of the other planets?
Water, Metal, Earth, Fire, Wood, Earth, Heavenly King, and Neptune King
0.048 cm 0.121 cm 0.127 cm 0.067 cm 1.430 cm 1.205 cm 0.511 cm 0.121 cm
The radial distance of the planet from the sun is:
Water, Metal, Earth, Fire, Wood, Earth, Heavenly King, and Neptune King
5.8 meters 10.8 meters 15 meters 22.8 meters 77.8 meters 142.9 meters 287.10 meters 450.4 meters
think:
Can we build a model of the solar system in our classrooms or on campus?
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For more information about the "Universe Solar System" PPT courseware, please click the Universe ppt Solar System ppt tag.
"Solar System" universe PPT teaching courseware:
"Solar System" Universe PPT teaching courseware Part One: Review of the previous section 1. When do solar and lunar eclipses generally occur in the lunar calendar? What moon phase? 2. What are the types of solar and lunar eclipses? 3. Try to explain the reasons for the solar eclipse in your own words. 4...
"Solar System" universe PPT download:
"Solar System" Universe PPT download Part 1: Introduction of new lessons In addition to the earth and the moon, what other celestial bodies do we know that are moving around the sun? What are the characteristics of these celestial bodies? How are they arranged? ... ... ... Solar system PPT, second...
"Solar System" Universe PPT:
"Solar System" Universe PPT Part 1 content: Understand that the solar system is centered on the sun, including the eight major planets that revolve around it (including satellites that revolve around the planets), dwarf planets, and small celestial bodies (including asteroids, meteors, comets, etc.) The system is called...
File Info
Update Time: 2024-07-30
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