Fifth Grade Science Volume 1, Textbook Edition
Science Edition for Sixth Grade Science Volume 2
Science Edition for Sixth Grade Science Volume 1
Third Grade Science Volume 2, Textbook Edition
Third Grade Science Volume 1, Textbook Edition
Fourth Grade Science Volume 2, Textbook Edition
Fourth Grade Science Volume 1, Textbook Edition
Fourth-grade science volume 2 of the E-education edition
Qingdao Edition Fourth Grade Science Volume 2
Hunan Education Edition Fourth Grade Science Volume 1
E-education edition fifth grade science volume 1
E-education edition fifth grade science volume 2
E-education edition sixth grade science volume 1
Fifth Grade Science Volume 2, Textbook Edition
Qingdao Edition Fourth Grade Science Volume 1
People's Education Press Fourth Grade Science Volume 2
Category | Format | Size |
---|---|---|
E-education edition sixth grade science volume 2 | pptx | 6 MB |
Description
"There is a "river" in the sky" PPT courseware
There is a river in the sky
Thought and discussion: Do you know what the Milky Way, a huge celestial system, is made of? Please tell me.
composition of the galaxy
Milky Way
Stars: 200 billion (including 100 billion stars)
large amounts of gas
dusty matter
galaxy shape
*Front view: A huge wheel-shaped vortex system with four spiral arms extending outward from the core of the Milky Way.
*Viewed from the side: The main body of the Milky Way is like a large lens with a bulge in the middle. Most stars and interstellar matter in the Milky Way are densely packed near the central plane.
size of galaxy
*Diameter: 80,000 light years
1 light year - the distance light travels in one year.
300000 × 60×60 ×24 ×365=
*Thickness: 6000 light years.
*Mass: 140 billion times the mass of the sun.
*Age: 10 billion years.
*Sport: A giant spinning "frisbee" that also resembles a discus
*Position of the Sun: 28,000 light-years away from the center of the Milky Way. The entire solar system rotates around the Milky Way at a speed of 250 kilometers/second, and it takes 250 million years to complete one revolution.
How to make a schematic diagram of the Milky Way simulation:
Materials: pen, cardboard, sand, rag
Method: Use a water pen to draw a schematic diagram of the Milky Way on the cardboard, use sand to spread the rough shape along the pen line, and then use a rag to adjust.
extragalactic galaxy
*Is the Milky Way the entire universe?
*Other galaxies Twins
*Extragalactic galaxies: Outside the Milky Way, many huge celestial systems are also composed of tens of billions of stars.
*The furthest 10 billion light years from us
Keywords: There is a River in the Sky teaching courseware, download the science PPT courseware for the second volume of the sixth grade of the E-education edition, download the science slide courseware for the sixth grade, download the PPT courseware of There is a River in the Sky, .PPT format;
For more information about "There is a River in the Sky" PPT courseware, please click on the "There is a River in the Sky" ppt tag.
"There is a "river" in the sky" PPT courseware 2:
"There is a River in the Sky" PPT Courseware 2 Watch the animation and think about questions. In the mythical story, what did the Queen Mother use to separate the Cowherd and the Weaver Girl? What does the Milky Way look like? What do you think it is made of? The Milky Way has many interesting nicknames in Chinese classical poetry...
File Info
Update Time: 2024-10-13
This template belongs to science courseware E-education edition sixth grade science volume 2 industry PPT template
"There is a "river" in the sky" PPT courseware Simple campus recruitment activity planning plan summary enterprise and institution recruitment publicity lecture PPT template is a general PPT template for business post competition provided by the manuscript PPT, simple campus recruitment activity planning plan summary enterprise and institution recruitment promotion Lecture PPT template, you can edit and modify the text and pictures in the source file by downloading the source file. If you want more exquisite business PPT templates, you can come to grid resource. Doug resource PPT, massive PPT template slide material download, we only make high-quality PPT templates!
Tips: If you open the template and feel that it is not suitable for all your needs, you can search for related content "There is a "river" in the sky" PPT courseware is enough.
How to use the Windows system template
Directly decompress the file and use it with office or wps
How to use the Mac system template
Directly decompress the file and use it Office or wps can be used
Related reading
For more detailed PPT-related tutorials and font tutorials, you can view: Click to see
How to create a high-quality technological sense PPT? 4 ways to share the bottom of the box
Notice
Do not download in WeChat, Zhihu, QQ, built-in browsers, please use mobile browsers to download! If you are a mobile phone user, please download it on your computer!
1. The manuscript PPT is only for study and reference, please delete it 24 hours after downloading.
2. If the resource involves your legitimate rights and interests, delete it immediately.
3. Contact information: service@daogebangong.com
"There is a "river" in the sky" PPT courseware, due to usage restrictions, it is only for personal study and reference use. For commercial use, please go to the relevant official website for authorization.
(Personal non-commercial use refers to the use of this font to complete the display of personal works, including but not limited to the design of personal papers, resumes, etc.)