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5.0 (15) · Ages: 9-13
Nature's Wonders: Ultraviolet Vision
5.0 (6) · Ages: 9-14
Biology: What Is Bioluminescence?
5.0 (7) · Ages: 11-16
Sketchbook Adventures: Painting With Light on Toned Paper
5.0 (20) · Ages: 9-12
Drawing Realistic Animals and Learning Drawing Techniques (Ongoing) Ages 9-12
5.0 (47) · Ages: 10-14
Flight School 101 - Get Ready for Takeoff - Gaining a Licence to Fly!
5.0 (1) · Ages: 7-9
Line up Everyone! Lines! Lines! Lines!
家庭物理：燈泡如何運作？
David Salch
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平均評分：4.9評論數量：(3,266)
探索不同類型的燈泡如何發光以及選擇它們的所有選項。
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課堂經歷
美國等級 3 - 6
Lets explore the lowly light-bulb! We use them everyday, and it would be safe to say that light-bulbs have changed the world, but how do they really make light? What kind of light do they make? Why are there so many options? In this class we explore the following concepts: Types of light bulbs: Incandescent, LED, CFL How do each of these make light from electricity Temperature of Light: Cool, Warm, Full spectrum, Infrared, Ultraviolet Intensity of light: Lumens Power used: Voltage,...
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平均評分：4.9評論數量：(3,266)
Learning facts and skills is definitely important, but an often missed but critical piece of education is understanding the foundation. Without a proper understanding of the underlying principles of "how something works," the collection of facts...
團體課
US$25
每班見面一次
50 分鐘
由 342 學習者完成
即時視訊會議
Ages: 8-12
4-18 每班學員人數
