Bone Fractures

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Most people break at least two bones in their lifetime. In this activity, learners will use celery stalks to model the many ways that bones can fracture. Learners will investigate different ways bones can break by examining the patterns of snapped, twisted, and crushed celery stalks. Step-by-step instructions are included with photos. Activity guide includes a "What's going on?" explanation and connections to relevant science concepts like bone fractures and healing bones. Different bone fracture characteristics such as orientation, number of pieces, displacement, closed vs. open, completeness, and location are explained in the celery model using descriptions and photos.

Quick Guide

Preparation Time:
Under 5 minutes

Learning Time:
10 to 30 minutes

Estimated Materials Cost:
1 cent - $1 per student

Age Range:
Ages 8 - adult

Resource Types:
Activity, Model


Materials List (per student)

  • head of celery
  • knife
  • cutting board (optional)
  • small paper bag (optional)


  • Life Sciences
    • Human Body
      • Skeleton
      • Health and Nutrition


Learning styles supported:

  • Involves hands-on or lab activities


This resource is part of:

Access Rights:

  • Free access


Source Collection

  • DIY Science Apps


  • , The Regents of the University of California, 2015

Funding Source:

  • National Institutes of Health Science Education Partnership Award, 5R25OD010543-02