Sandbox Experiments

Contraction Experiment #1    April 10, 2006

3rd Period Class

 

John, Megan, and Jessica working on the sandbox.

   
   

Megan begins cranking. Jessica is videotaping & John is taking pixs.

   
 

The first faults. We had problems with the first ones "fading out".

 

This is the view from above for the pix on the left.

 

More faults develop. We had a "mountain" develop at this point.

 

Pix on left seen from above.

 

4th Period Class

 

Here's the fourth period class. I had to include this pix because Brittany, the photographer, isn't in any of the other pixs!   Jennifer M. is videotaping the movement of the sand.

 
Jennifer B. is turning the crank.   Here Jennifer B and I are having to hold down parts of the moving wall and shaft since it was vibrating too much.
 
Here are the initial faults. (This is a "lefty" class!)   The initial faults from above.
 
More faults.   Both Jennifers peruse the "land surface".
   
Look like half a mountain???    

 

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