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"Light and Shadow" Light PPT Courseware 4
Conditions for shadow creation
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?
New discovery
1. Think about it:
In the shadow game, apart from knowing the conditions for shadow production, do we discover anything else?
2. Ask questions:
Light, obstructions and screens are the conditions for shadow production. If we change one of the conditions, will the shadow change?
Knowledge review
1. What knowledge have we learned about light? What patterns were discovered?
2. Hand shadow game to verify the rules we discovered
1. When the position of the light source is changed, what happens to the shadow?
2. How does the shadow change when the distance between the hand and the light source is changed?
3. If you let the light source shine on different sides of your hand, what is the difference in the shadows you get?
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"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 3:
"Light and Shadow" Light PPT Courseware 3 Think about how shadows are produced and what conditions are required? To produce a shadow, there must be: a light source, an obstruction, and a screen, and the obstruction must be between the light source and the screen. An object that emits its own light, like a lamp, is called a light source. Posting...