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Echoes: How Sound Waves are Reflected and Absorbed

Sound travels in waves, similar to light. If you shine a light onto a mirror the light bounces off the mirror so that the light shines in a different direction. The same is true for sound. Sound waves ...

SD 6 - Can we hear all the sounds in the world?

If we close our eyes, we will be aware that we are surrounded by sounds; through this sequence, we will guide the students so that they discover the expansion of sounds and their characteristics, so t ...

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