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Printable science worksheet for Grades 4 and 5 with fill-in-the-blank and unscramble questions on chemical reactions and states of matter.
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Chemical Reactions and States of Matter

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This printable science worksheet for Grades 4–5 covers chemical reactions, states of matter, and related vocabulary through multiple activity types. Students complete fill-in-the-blank questions about solutions, particles, and oxygen; define key terms like acid, dissolution, and chemical reaction; describe the three states of matter; and unscramble 18 science vocabulary words. Suitable for unit review, homework, or in-class classwork.

Subject:
Science
Topic:
Chemistry
Grade Level:
4th – 5th Grades
Updated May 2026

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