| Category | Format | Size |
|---|---|---|
| Hunan Education Edition Third Grade Science Volume 2 | pptx | 6 MB |
"Light and Shadow" Colorful Light PPT Courseware 3
Description
"Light and Shadow" Colorful Light PPT Courseware 3
riddle
I have a good friend who follows me every day.
Sometimes I walk in front, sometimes I walk behind.
I have a good friend who follows me every day.
I talked to him, but he didn't speak.
In the shadow game, what are the conditions for shadow production?
Conditions for shadow formation: light, obstructions, screens (walls, floors and other opaque objects).
Light, occlusion, and screen are the conditions for shadow formation. If we change one of these conditions, what will happen to the shadow?
The principle of pinhole imaging
Pinhole imaging is an example of straight line propagation of light. As shown in the figure, the light emitted from any point in the candle spreads in straight lines in all directions. Only a part of the light beam reaches the screen through the small hole, and a light point (bright spot) appears on the screen. Each point on the candle corresponds to There is a spot of light on the screen, and countless light spots form the image of a candle.
Keywords: colorful light teaching courseware, light and shadow teaching courseware, Hunan Education Edition third-grade science PPT courseware download, third-grade science slide courseware download, colorful light PPT courseware download, light and shadow PPT courseware download, .PPT format;
For more information about the "Colorful Light and Shadow" PPT courseware, please click on the Colorful Light PPT Light and Shadow PPT tab.
"Light and Shadow" Colorful Light PPT Courseware 2:
"Light and Shadow" Colorful Light PPT Courseware 2 Light Source Observe the objects below. Which ones shine by themselves and which ones don't? Objects that can emit light by themselves, such as electric lamps and the sun, are called light sources. Judgment conditions: 1. In the light-emitting state 2. Able to emit light on its own...
"Light and Shadow" colorful light PPT courseware:
"Light and Shadow" colorful light PPT courseware 1. Understanding the light source Note: The moon is not a light source, it does not emit light by itself, it only reflects the light of the sun. Definition of light source: an object that is emitting light by itself like a lamp 2. Conditions for shadow generation Light source blocking screen ... ...
"Light and Shadow" PowerPoint animation download:
This PowerPoint animation, with the theme of light and shadow, tells relevant content about life, emotion, and growth. PPT animation uses black as the background color, and uses light bulbs, film and other materials as PPT background images. It is a dynamic PPT animation with personality and artistic flavor..
File Info
Update Time: 2024-06-24
This template belongs to science courseware Hunan Education Edition Third Grade Science Volume 2 industry PPT template
"Light and Shadow" Colorful Light PPT Courseware 3 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!
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