Today was all about waves--sound waves, light waves. We learned about how they reflect, refract, travel through conductors, and interfere with one another. We had several different activities the demonstrated some of the characteristics of light or sound waves. Laser Maze is a fun logic game, where you use mirrors to reflect the laser toward a target. The kids had a lot of fun with these light waves. They also heard sound waves conducted along a piece of yarn, broke a pencil using water, and went on a scavenger hunt around the house to learn some of the traits and rules of waves. Then, it was time to build a sound wave. Who knew you could demonstrate a wave with duct tape, skewers, and candy? The final product was so fun! Additional ActivitiesVideos & Podcasts
Waves--Bill Nye This episode is about everything to do with WAVES. World's Largest Horn Mark Rober is back again with another bigger than life experiment. This demonstration shows the speed of sound, which is pretty cool. The Science of Light and Color Have you ever wondered why we see rainbows? This video explains how light travels and why we see colors. Brains On: Forever Echo and Do We All See the Same Colors? These are just a couple of the Brains On podcasts about sound and light. Search their site for more, including the Mystery Sound Extravaganza episodes if you love the challenge of identifying sounds. Also recommended: If you have Netflix, Magic School Bus has episodes about sound, light, and making a rainbow which would all apply. Activities Listen and Learn Explore different animal sounds, vehicles, and more. See if you can guess the mystery sounds. There is also lots of other sound related information on this website. Wave on a String Try out this simulation of a sound wave and manipulate the frequency and amplitude to create different sounds. Why Do Leaves Change Colors? This experiment would be fun for any age, and with all of the colorful leaves around, this is the perfect time of year to see how the colors come out of the leaves. This takes a little while, but most of it is just waiting time. Go out for a walk, collect some leaves, and then make a little magic happen!
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May 2020
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