Crossword Puzzle Fun ScienceOnline version Science review by Mr. John NMMS 1 Shortest day of the year 2 Longest day of the year 3 Moon blocks out the sun 4 Moon passes through Earth's shadow 5 Less than 50% of the moon illuminated 6 Equal day and night 7 More than 50% of the moon illuminated 8 Caused by the Earth's tilt 9 Moon moving towards the new moon 10 Moon moving towards the full moon 11 Percent of moon always illuminated by the sun 12 Path of one body around another 4 10 11 9 6 8 3 5 12 1