Sunday, July 12, 2009

The speed of sound



On Thursday we went down to the bird sanctuary . We have a lovely large park there . One of Brogan's activities was to measure the speed of sound. We took two large planks of wood. Aaron stood with me. His job was to let the one plank of wood fall onto the other. Claire and Brogan stood on the other side of the park and gave Aaron the go ahead to drop the plank. We discovered that we needed a field double the size. So, on a hunt for a big field we go....

1 comment:

frugal southern mom said...

My first time here. I love the antiques! Where are ya located?