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Students discover how sound waves work in this free science video and lesson plan Phenomena in the world arouse everyone's curiosity. Discovery Education's new middle school Scientific tech book has phenomenon-based lesson plans and videos that explain natural phenomena in a way that encourages kids to ask questions and dig deeper. The folks at Discovery Education shared both a phenomenon-based lesson plan and the video that introduces it. You can get them for free by simply filling out the form on this page. Here's what you get How does a speaker work? Lesson plan with tips and tricks for teaching this cool lesson that will help kids ask good questions, examine their thinking, and go deeper in understanding. speaker vibr...