See the Science of Sound
Here’s a quick and easy science experiment that helps to add a visual element to the science of sound. What causes sound? In this activity, your student will find the answer. He’ll see it for himself!
This site states the activity is for third grade, but it is appropriate for second grade.
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eduToolbox® is a resource-sharing portal developed by the Ayers Institute for Learning & Innovation with collaborative support and funding from the Tennessee Department of Education and the U.S. Department of Education's Math & Science Partnership program.