Brittle Bones: A Density Problem

Catalog #STO-154

How does low bone density increase the risk for bone fractures?

Time To Complete Time to complete: Three or four 40-minute class periods

Three generations of a family learn how osteoporosis (low bone density) results in bones that are brittle and easily broken.

  • Design and assemble models of bones to represent bone densities at different ages.
  • Determine the density of bone models.
  • Interpret models, graphs, news articles, and posters to relate bone density, osteoporosis, and bone fracture risk.

Limit 1 free sample per customer

Quantity Price
1 - 0$16.00 ea.
10 - 24$15.20 ea.
25 - 1000$14.40 ea.

Each assembled kit contains:

  • White disks
  • White star beads
  • Ruler
  • 4 labeled plastic tubes with caps
  • "A Future Osteoporosis Epidemic?"
  • "Understanding Osteoporosis"
  • "Forty 70-Year-Old Women Who Participated in Research Study"
  • "Women Who Had Bone Fractures"

Also required: Digital scale that can weigh up to 500 grams with 0.1 gram accuracy, calculator

Buy Unassembled and Save!

Brittle Bones: A Density Problem – Pack of 10 Unassembled Kits

Catalog # STO-154U

Unassembled packs contain materials for 10 kits.

  • All supplies, lab materials, and printed labels
  • Student instructions copy master
  • Easy to follow instructions for kit assembly
Quantity Price
1 - 9$130.00 ea.
10 - 1000$123.50 ea.

This kit does not require refills since all its contents are reusable.

Teacher Testimonial

Love the simplicity, the clear directions and the great way to introduce topics. The cost is appropriate. I like the several formats in which you can order the kits.

- High school biology teacher (OK)

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STO-154