Classify stars and galaxies
Free printable Grade 8 science worksheet for "Classify stars and galaxies" — practice solar system and universe. No-prep, print or assign online.
This middle school Earth and Space Science worksheet challenges students to classify stars and galaxies, building the vocabulary and conceptual understanding needed to discuss the scale and diversity of the universe. Teachers can use it during a Solar System and Universe unit as a knowledge-consolidation exercise or as preparation for a research project on stellar classification. Students develop the habit of applying scientific categories to astronomical objects rather than treating space topics as purely descriptive.
Learning objectives
- Classify stars by characteristics such as size, temperature, and brightness
- Identify types of galaxies and their distinguishing features
- Use scientific vocabulary accurately when describing objects in the universe
Answer Key
How to use this worksheet
- Click “Download Worksheet” and sign in with Google or email to get the PDF instantly.
- Print at home or in class for Middle School; it's no-prep, with no extra materials needed.
- Use the included answer key to mark it in seconds.
Frequently asked questions
Is the “Classify stars and galaxies” worksheet free?
Yes. “Classify stars and galaxies” is a free printable Science worksheet. Sign in with Google or email to download the PDF instantly.
What grade or age is this Science worksheet for?
It's designed for Middle School (ages 11–14), covering Solar system and universe.
Does it come with an answer key?
Yes — a matching answer key is included so you can grade it in seconds.
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