Drag & Drop Puzzles

The image to the left is a composite of satellite data showing ozone levels over the North Pole for the month of March from 1979 through 1994. The satellite data came from the Total Ozone Mapping Spectrometer satellite. The blue and yellow areas indicate low levels of ozone.
 

The puzzle below allows you to drag pieces one by one to where you think they should go in order to make the picture look like the image above. Only pieces outlined in red may be moved.

Pieces of the puzzle below will appear in the bottom right-hand square of the grid. Using the picture above, use the mouse to drag the pieces to the correct square. Once the puzzle piece is put in the correct square, another piece will appear in the bottom left corner. Continue moving the pieces until the puzzle is complete. Good luck!

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Updated: January 22, 2003