Activity 4B: Determination of Bone Density with Bone Specimens Topic: Bone Anatomy/Bone Health Part of: Unit: Give Your Bones A Break Lesson: Bone Density

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Bone Density Lab Teacher Directions

Analysis Questions Teacher Answer Key

Bone Density Lab Student Directions

Group Data Collection Student Worksheet

Class Data Collection Student Worksheet

Graphing Bone Density Student Handout

Analysis Questions Student Handout

Keywords

density formula, observation, density, graphing, volume, mass, bone, specimen preparation, trabecular bone, cancellous bone, calculation, mean, median

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Activity Description

The objective of this activity is to allow students the opportunity to calculate the density of sectioned bone specimens. (These long bones are obtained and cut into cross sections in advance of the lab. Make sure you read through the procedures for preparing these specimens.) Students will investigate how the density varies at the ends of long bone and the mid-section of the shaft. Working with one bone specimen, each lab group should conclude that there is a pattern with the bone density calculations. The density at the ends of the long bone specimen where there is spongy bone should be less than the density anywhere along the shaft where the compact bone is present. After comparing class data, the students should conclude that there is a similar pattern in bone density calculation among all the same types of bone specimens.

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