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Monthly Moon Phases Worksheet

This monthly moon phases worksheet has 5th grade students count a month of moon observations, fill in a phase table, and explain the lunar cycle. An answer key is included for quick checking.

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About this resource

Description

The moon seems to change shape every night, but the pattern repeats in a cycle that lasts about 29 and a half days. This monthly moon phases worksheet helps 5th grade students see that pattern as real data. Instead of memorizing eight phase names in a list, students study a full month of observations and discover how many nights each phase lasts and why some phases show up for a week while others appear for only one night.

The monthly moon phases worksheet shows a completed moon log for one February. Every night on the calendar has an accurate drawing of the moon and a short phase code, such as WXC for waxing crescent or FM for full moon. Students count the nights for each of the eight phases and record the totals in a frequency table. Then they use the calendar and their table to answer two written questions: which phase never appears in this short month and why, and when the next full moon will rise. This 5th grade earth science worksheet works well for science centers, homework, or a quick check after a lesson on the lunar cycle.

What’s Included

  • A 28-night February moon calendar with accurate moon phase drawings and phase codes
  • A frequency table for counting the nights of all eight moon phases
  • Two constructed-response questions about the lunar cycle
  • A complete answer key

How This Worksheet Helps Kids

First, students connect the names of the moon phases to their real shapes, with waxing phases lit on the right and waning phases lit on the left. Second, counting and organizing observations in a table builds the data skills scientists use every day. Third, the questions ask students to reason about the length of the lunar cycle, so they explain patterns instead of just naming them.

Ideas for Teachers and Parents

Before the worksheet, have students watch the moon for a few nights and sketch what they see. Afterward, ask them to turn their frequency table into a bar graph, or to predict which phases a 31-day month would show. Families can keep their own moon log for a month and compare it to this one.

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