Deflection angles with a CD and a candle

Deflection angles with a CD and a candle How to make a rainbow with a CD? Made for parents and teachers Made for parents and teachers, this video shows a fascinating **experiment with light** perfect for **science for kids**. Discover how simple household items like a CD can create beautiful rainbow patterns, demonstrating the principles of **refraction of light**. This engaging **science experiments** explores the visible **light spectrum** in a hands-on way. Chapters 0:10 What you need 0:18 1st experiment Sunlight 0:41 2nd experiment Short candle 1:08 3rd experiment normal candle 1:17 Science behind it 2:03 4th experiment flashlight/cell phone light 2:48 Grace "Sonoma County Strong" ending Kids Fun Science Online Store https://teespring.com/stores/kids-fun-science Halloween Holographic Projection, Christmas Halloween Window Projector 12 Movie Programs Projection Lights, https://amzn.to/2Sret9O Kids Fun Science Online Store https://teespring.com/stores/kids-fun-science I used a CD which has tracks but not as close together. In a DVD the tracks are even closer together, hence the deflection angles are much larger. Try this Change the angle? Try different types of lights. Try a CD and then DVD All light is made up of a mixture of the colors of the rainbow. You can split these colors using a CD which will reflect different colors of light in different directions. If you look at different different parts of the CD the light will have bent at different angles so you see different colors. Science behind it Why does a CD reflect rainbow colors? Like water drops in falling rain, the CD separates white light into all the colors that make it up. The colors you see reflecting from a CD are interference colors, like the shifting colors you see on a bubble or an oil in water. You can think of light as as being made up of waves, like the waves in the ocean. When light waves reflect off the ridges on your CD, they overlap and interfere with each other. Sometimes the waves add together, making certain colors brighter, and sometimes they cancel each other, taking certain colors away. Why do the different types of light appear different? Although an energy saving bulb and a conventional bulb both look white they are actually made up of a different mixture of colors. The spectrum of the conventional bulb is made up of all the colors of the rainbow, but the spectrum of the energy saving lightbulb is made up of several individual wavelengths of light with virtually nothing in between.