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5th grade science worksheet with nine fill-in-the-blank questions on buoyancy, density, and forces, with a 14-word vocabulary word bank.
Worksheet

How to Make a Boat Float

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About:

This printable 5th grade science worksheet covers buoyancy, density, and forces through nine fill-in-the-blank sentences. Students use a word bank of 14 terms—including buoyancy, density, Archimedes' principle, and force—to complete statements about why objects float or sink. Use it as vocabulary review, classwork, or a homework introduction to water-science concepts.

Subject:
Science
Topic:
Physics
Grade Level:
5th Grade
Updated March 2026

Word Bank

  • Archimedes’
  • bigger
  • buoyancy
  • Density
  • distribution
  • float
  • force
  • high
  • low
  • mass
  • sink
  • smaller
  • unbalanced
  • volume

How to Use This Worksheet

Print this worksheet for classwork, homework, or independent practice. Click 'View Worksheet' to edit questions, adjust formatting, or add your own content before downloading.

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