Fifth Grade Science Volume 1, Textbook Edition
Science Edition for Sixth Grade Science Volume 2
Third Grade Science Volume 2, Textbook Edition
Science Edition for Sixth Grade Science Volume 1
Third Grade Science Volume 1, Textbook Edition
Fourth Grade Science Volume 2, Textbook Edition
Fourth Grade Science Volume 1, Textbook 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
Qingdao Edition Fifth Grade Science Volume 2
Fourth-grade science volume 2 of the E-education edition
Fifth Grade Science Volume 2, Textbook Edition
Zhejiang Education Edition Seventh Grade Science Volume 2
E-education edition third grade science volume 2
!["Light and Shadow" Light PPT Courseware 2](http://daogebangong.oss-cn-beijing.aliyuncs.com/ppt/preview/1/af133ca7-1bec-4ff7-a278-699bad519cd1.webp)
Category | Format | Size |
---|---|---|
Fifth Grade Science Volume 1, Textbook Edition | pptx | 6 MB |
Description
"Light and Shadow" Light PPT Courseware 2
think about it
What conditions are needed for a shadow to occur?
Summarize
Conditions for shadow generation: light, obstruction, and screen (the obstruction must be between the light source and the screen)
Light source: An object that emits its own light, like a lamp. (It is a glowing object)
Conclusion: When the positions of the light source and the screen remain unchanged, the closer the distance between the light source and the occlusion object, the larger the shadow; the further the distance between the light source and the occlusion object, the smaller the shadow.
1. Objects that emit light by themselves, like electric lamps, are called ___________.
2. The conditions required for shadow production are___________
3. The shadow of an object illuminated from different sides is called ___________.
judge
1. The moon on the fifteenth day is big and round, so the moon is a light source. ( )
2. As long as there is light, there will be shadow. ( )
3. Use a flashlight to illuminate an object from different angles and its shadow will have different shapes and sizes. ( )
4. The direction of the shadow has nothing to do with the position of the light, but the length is related to the position of the light source. ( )
5. Fireflies are also a source of light. ( )
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For more information about the "Light and Shadow" PPT courseware, please click the "Light ppt Light and Shadow ppt" tab.
"Light and Shadow" Light PPT download:
"Light and Shadow" Light PPT Download Part One: Situation Introduction Do students know what game this is? What are the conditions for the production of hand puppets and shadow puppets? ... ... ... Light and Shadow PPT, Part 2: Knowledge Exploration Light source, occlusion, and screen are shadows...
"Light and Shadow" Light PPT:
"Light and Shadow" Light PPT Part One: Conditions for Shadow Generation Play shadow games and think about how shadows are generated. Shadow puppetry is a kind of silhouette of characters made of animal skin or cardboard, which is performed with a light-proof cloth under the illumination of candles and other light sources. When performing, art...
"Light and Shadow" Light PPT Courseware 4:
"Light and Shadow" Light PPT Courseware 4 Conditions for Shadow Generation 1. Conjecture: Conditions for Shadow Generation 2. Experiment: Shadow Game 3. Group Report: Do we see the shadow of our own hands? What did we do to see it? What conditions are needed for a shadow to occur? ... ... ..
File Info
Update Time: 2024-09-09
This template belongs to science courseware Fifth Grade Science Volume 1, Textbook Edition industry PPT template
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