Moon phases worksheets for Grade 6 Science that help students connect lunar phases to the Moon’s orbit around Earth and its changing position in the night sky. Students work with Sun–Earth–Moon geometry, identify patterns in observations, and explain why the Moon appears to move through predictable phases.

🌙 Exploring Lunar Phases and Motion

This resource focuses on the relationship between the Moon’s orbit and the sequence of new moon, crescent moon, quarter moon, gibbous moon, and full moon phases. Students examine how the relative positions of the Sun, Earth, and Moon affect what is visible from Earth and use observations from different nights to recognize recurring patterns.

What Students Work On

• Describing how the Moon’s orbit creates predictable phase changes
• Explaining lunar phases using Sun–Earth–Moon geometry
• Interpreting observations of the Moon across multiple nights
• Identifying patterns in phase and direction changes
• Applying astronomy vocabulary related to lunar motion

📦 Included in This Resource

• ✅ Student worksheet
• ✅ Answer key
• ✅ Student Notes & Lesson Summary supplement
• ✅ Teacher Guide PDF with Learning Objectives, Teaching Tips, Discussion Questions, and Common Mistakes

Assessment and Practice Tasks

Students engage with multiple-choice questions, true-or-false items, short-answer responses, a reading passage, a matching activity, a cloze passage, an extended essay response, and a science fact section. These varied task formats encourage students to explain ideas, interpret information, and demonstrate understanding of lunar phase patterns.

Classroom Use

Use this worksheet as a lesson review, independent practice activity, homework assignment, science assessment, sub plan resource, or reinforcement activity during a sky science or astronomy unit. The included notes and teacher support materials make it easy to introduce concepts before practice or review them afterward.

Why Teachers Choose This Resource

Rather than memorizing the names of moon phases, students are asked to connect observations to the underlying science. The resource emphasizes cause-and-effect relationships between orbital motion and visible lunar phases while giving students opportunities to read, analyze, match, explain, and write about astronomical phenomena. The combination of student practice materials, answer key, lesson summary notes, and teacher guidance supports both instruction and assessment within a Grade 6 Alberta Science classroom.