Here are 16 pieces of a moon image. Your job is to put them back together to make a complete picture of the moon.
The Puzzle Pieces table contains all your pieces. Each piece can be identified with a unique set of coordinates that can be determined by reading the x-axis (horizontal) and the y-axis (vertical) labels on the grid. For example, the top left hand corner piece has the coordinates A1, the lower right corner is D4. The Puzzle Spaces table is the area in which you build the puzzle.
Choose a space in the Puzzle Spaces table that you want to fill.
Find the piece from the Puzzle Pieces table that you think belongs in that space.
Determine the coordinates of the piece in the Puzzle Pieces table.
Press the mouse button on the ?? in the space on the Puzzle Spaces table to select the coordinates of the piece that you think belongs in that space.
Repeat these steps until you have selected pieces for all the spaces in the puzzle.
You may see your puzzle in progress at any time by clicking the "submit puzzle " button. If you want to revise your selections after submitting your puzzle, just click on the Back button on your web browser.
Puzzle Pieces
.
A
B
C
D
1
2
3
4
Hint: The top edge of the moon is cut off in the complete picture.