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9th grade astronomy test with questions on the Sun's structure, star life cycles, and the H-R diagram.
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The Sun Test

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This 30-question astronomy test for 9th graders covers the Sun's structure, nuclear fusion, the H-R diagram, and stellar life cycles. Topics include solar flares and prominences, the layers of the Sun, star types and evolution, luminosity, and light years. Use as a unit test or end-of-chapter assessment for an astronomy or Earth science course.

Subject:
Science
Topic:
Astronomy
Grade Level:
9th Grade
Updated December 2025

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