2008 Egg Drop

Posted on November 2, 2008 by Wade Whitehead.
Categories: Classroom Stuff, Science.

On Friday, November 12, the fifth graders held the 12th annual Crystal Spring Egg Drop. NBC, NPR, and The Roanoke Times all turned out to cover our event, which turned out to be one of the most exciting ever.

Fifth graders, what did you think? What devices did you enjoy watching? What ideas will stick with you? And what would you do differently if you could build an Egg Drop contraption again?

Geometry & Sound

Posted on March 3, 2008 by Wade Whitehead.
Categories: Classroom Stuff, Science.

When high frequencies are passed through sand spread in a thin layer over glass, strange things happen. As the frequency changes, geometric forms appear and change. This phenomenon has been the subject of curiosity for many teachers and students. Fifth graders, what do you think causes this strange happenstance?