Phases of the Moon Activity: You will download a moon phrases crossword puzzle worksheet packet for your 4th grade, 5th grade, and special education earth science students. It also makes a great supplement for an astronomy unit. As a bonus, you will also download a moon phase 8.5"x11" poster that may also be used as an anchor chart.This phases of the moon activity worksheet works well for a science bell ringer, early finishers, morning work, review homework, test prep, or extra vocabulary practi