Rubber Bones

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Over 1 or 2 days, learners use vinegar to remove the calcium from a chicken bone. They then explore how the bones have changed. An accompanying video with Mr. O further explores the relationship between cartilage and bone and explains how bones grow.

Quick Guide

Preparation Time:
1 to 7 days

Learning Time:
10 to 30 minutes

Estimated Materials Cost:
$1 - $5 per student

Age Range:
Ages 8 - 11

Resource Types:
Activity, Experiment/Lab Activity


Materials List (per student)

  • Chicken bones (hot wing bones recommended)
  • Vinegar
  • A Cup


  • Life Sciences
    • Human Body
      • Skeleton
  • Physical Sciences
    • Chemistry
      • Acids and Bases
      • Solutions


To use this activity, learners need to:

  • see
  • touch

Learning styles supported:

  • Involves hands-on or lab activities


Components that are part of this resource:

This resource is part of:

Access Rights:

  • Free access



  • , Children's Museum of Houston, 2011

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