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Printable 3rd grade science reading worksheet for identifying an author's claim and supporting evidence in a nonfiction article.
Worksheet

Claim Detective

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This printable science reading worksheet teaches 3rd graders to identify an author's claim and the evidence used to support it. Students select an article from the classroom reading collection, then record the title, explain what the author is trying to prove, and find supporting evidence. Effective for reading-strategy instruction, science nonfiction practice, or independent reading time.

Subject:
Science
Topic:
Scientific Method
Grade Level:
3rd Grade
Updated September 2025

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