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Printable 2nd–3rd grade science worksheet with multiple-choice questions on tooth decay, bacteria, and cavity prevention.
Worksheet

What Causes Tooth Decay?

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This printable science worksheet for Grades 2–3 includes nine multiple-choice questions about what causes tooth decay. Students learn about bacteria, plaque, acid, and cavities, and explore how brushing and flossing prevent tooth damage. Useful for health class, science lessons on the human body, or classroom discussion about dental hygiene habits.

Subject:
Science
Topic:
Health & Nutrition
Grade Level:
2nd – 3rd Grades
Updated May 2026

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