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Printable 3rd grade science worksheet with questions about habitat changes, extinction, dinosaurs, and endangered species.
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Habitat Changes and Extinction

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This printable science worksheet for 3rd graders explores how habitats change and how species become extinct. Students answer six questions on how extinction happens, theories about dinosaur extinction, mass extinction events, plant extinction due to habitat loss, and endangered species. Designed to accompany textbook reading from pages 53–58.

Subject:
Science
Topic:
Biology
Grade Level:
3rd Grade
Updated June 2026

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