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Printable science worksheet on viruses and immune system with fill-in-the-blank vocabulary practice using terms like antibodies and immune system.
Worksheet

Viruses and the Immune System

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This printable science worksheet teaches upper elementary students about viruses, how they infect cells, and how the immune system fights back. Students read a passage about germs and antibodies, match picture captions to the stages of viral infection, and complete sentences using key vocabulary. Suitable for health or biology class, review, or sub plans.

Subject:
Science
Topic:
Health & Nutrition
Grade Level:
4th – 6th Grades
Updated June 2026

Word Bank

  • Antibodies: substances produced by the immune system that stick to and destroy germsImmune system: a system in the body that defends against disease

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