An excellent long-term experiment where students measure the mass of a chicken bone over time and correlate the decrease of mass of the bone to the increasing flexibility of bone due to the loss of calcium. Result table and graph are provided as is a grading rubric for a laboratory write up. Older students can calculate the % loss from the original mass.
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1- Removing Calcium from Chicken Bones
2- Pasta Skeleton
3- Sun Paper X-ray
4- The Elbow Joint
5- The Growing Fingernail
6- Skeletal Crossword Puzzles
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