STEM scholars investigate sound attenuation by conducting an experiment in which they compare the farthest distance that they can hear a sound with and without ear protection.

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Concepts

sound waves, sound energy, technology resources

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Instructional Ideas

Have the class create a graphic organizer that distinguishes between objective and subjective data

Classroom Considerations

Experiment requires materials such as ear protectors and various sound sources (radio, buzzer, etc.)
Learners need to be able to analyze data, such as considering averages and spread of data

Pros

Includes a list of activities individuals can do at home

Cons

Scholars are already likely to know how ear protectors affects hearing

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