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Printable 8th grade physics worksheet with open-response questions on buoyancy, boats, water displacement, and submarines.
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Buoyancy Worksheet

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This printable physics worksheet for 8th graders explores buoyancy through seven open-response questions. Students explain why boats float, define water displacement, describe what happens to denser-than-water objects, and explore how submarines use ballast tanks to control buoyancy. Suitable for inquiry-based learning, homework, or as a study guide for a buoyancy unit.

Subject:
Science
Topic:
Physics
Grade Level:
8th Grade
Updated April 2026

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