Bridge Street School students visit Chico science museum
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Bridge Street Elementary School students visit the Gateway Science Museum Tuesday, May 8, 2012 in Chico.
Bridge Street Elementary School student Lilian Yonning and a classmate hold the door of the scream chamber closed as fellow classmates scream inside the sound proof chamber during a visit to the Gateway Science Museum Tuesday, May 8, 2012 in Chico. The decibel meter above tells children how loud the yelled.