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
Fourth Grade Science Volume 2, Textbook Edition
Fourth Grade Science Volume 1, Textbook Edition
Third Grade Science Volume 1, Textbook Edition
Fourth-grade science volume 2 of the E-education edition
Qingdao Edition Fourth Grade Science Volume 2
E-education edition fifth grade science volume 1
Hunan Education Edition Fourth Grade Science Volume 1
E-education edition fifth grade science volume 2
Fifth Grade Science Volume 2, Textbook Edition
E-education edition sixth grade science volume 1
Zhejiang Education Edition Seventh Grade Science Volume 2
People's Education Press Fourth Grade Science Volume 2
Category | Format | Size |
---|---|---|
Fifth Grade Science Volume 1, Textbook Edition | pptx | 6 MB |
Description
"Light and Heat" Light PPT Courseware
Thermal light source: It emits heat while emitting light. Sunshine, candles, etc.
Cold light source: emits light without emitting heat. fireflies, incandescent lamps
Think and discuss: Many light sources also generate heat while emitting light. While the sun brings us light, it also gives us warmth. What is the relationship between the amount of light and the intensity and temperature?
Light intensity and temperature
What is the relationship between the intensity of light and temperature analyzed from the data?
Was our original idea correct?
Applications of concave mirrors and convex lenses
In the 18th century, British scientist Priestley used convex lenses to focus light to obtain high temperatures to heat a chemical substance, thereby producing oxygen.
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For more information about the "Light, Light and Heat" PPT courseware, please click on the "Light ppt" light and heat ppt tab.
"Light and Heat" Light PPT download:
"Light and Heat" Light PPT Download Part One Content: Introducing the New Lesson Red and big, it becomes ferocious when it sees the wind. It can eat everything in the world without a mouth. It is only afraid of rain but not wind. Fire can both emit light and heat, so what is the relationship between light and heat? ... ... ....
"Light and Heat" Light PPT:
"Light and Heat" Light PPT Part One Content: Intensity and Temperature of Light Many light sources also generate heat when they emit light. While the sun brings us light, it also brings us warmth. What is the relationship between the amount of light and the intensity and temperature? The light source can be divided into...
"Light and Heat" Light PPT courseware 4:
"Light and Heat" Light PPT Courseware 4 1. What is reflection? When light hits a mirror, it changes its propagation direction and is reflected back. This phenomenon is called reflection or reflection. 2. How does reflected light propagate? Reflected light also travels in straight lines. Discuss as a group and think about: How do we...
File Info
Update Time: 2024-11-24
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