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This Investigation: Waves and Whistles worksheet also includes:
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Wave goodbye to the same old demonstrations for alternative energy sources, and wave hello to this one investigating ocean waves! Using a water bottle to create an oscillating water column, learners see and possibly hear how the mechanical energy can be used to do work. This would be a fun and pertinent addition to your alternative energy unit.
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Pros
- This model is a unique in that it is rare to find a demonstration of waves as an alternative power source
Cons
- Since this is not a classic demonstration, be sure to test it out prior to having lab groups construct the oscillating water columns to make sure it works
- Materials, especially a wide-mouth, capped water bottle, are not easy to come by; you might need to order a set online and reuse them year after year as demonstrations rather than having each new class construct their own