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Printable 6th grade astronomy worksheet with Milky Way diagram, galaxy classification activities, and questions on galactic structure and scale.
Worksheet

The Diverse Universe Review

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About:

This printable astronomy review worksheet for 6th graders covers the structure of the Milky Way, galaxy classification, and the scale of the universe. Students label the nucleus and spiral arms of the galaxy, rank cosmic structures from largest to smallest, identify galaxy types, and explain why galactic collisions rarely result in star collisions. Includes a word bank and is suitable for unit review, test prep, or classwork on galaxies and space.

Subject:
Science
Topic:
Astronomy
Grade Level:
6th Grade
Updated July 2026

Word Bank

  • cluster of galaxies
  • Dwarf Elliptical Galaxy
  • Solar System
  • Spiral Galaxy
  • Sun

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