Young students learn a bit about astronomy by completing this science-themed sudoku puzzle. Click here to print (PDF file). Click here for the answer key.

Directions: Each row, block, and column contains one each of the four major phases of the moon: new moon, waxing moon, full moon, and waning moon. Draw the moon phases to complete the puzzle.

Note: If you would prefer to have students cut and paste game pieces, rather than draw them, click here for a printable which holds two sets of moon phases sudoku game pieces.