No Bones About It Science Olympiad Practice Test May 2026

If you are competing in the event of the Science Olympiad, you know the mantra well: Know the system, know the connections, and for goodness’ sake, know the bones.

By: The Coach’s Corner Estimated reading time: 12 minutes

A 70-year-old patient presents with a stooped posture, loss of height, and a hip fracture from a minor fall. Their DEXA scan shows a T-score of -2.8. What is the most likely diagnosis? No Bones About It Science Olympiad Practice Test

Explain the role of growth hormone (GH) and calcitonin in bone remodeling. Part 6: Tie-Breaker / Extra Credit (For the Overachievers) Time limit: 2 minutes | Points: 5

Histology slide: Compact bone. Name the structural unit of compact bone, visible as concentric layers of matrix surrounding a central canal. If you are competing in the event of

Put the following steps of endochondral ossification in the correct order: A. Secondary ossification centers appear in the epiphyses. B. Blood vessels invade the perichondrium, turning it into periosteum. C. Cartilage model grows. D. Primary ossification center forms in the diaphysis. E. Epiphyseal plates close. F. Osteoclasts create the medullary cavity.

What is the name of the condition where the lateral curvature of the spine exceeds 10 degrees, often diagnosed during adolescent growth spurts? Part 4: The Muscular Connection (Synergistic Systems) Time limit: 4 minutes | Points: 12 What is the most likely diagnosis

Image prompt: A detailed diagram of the anterior view of the skull. Identify the suture located between the parietal bones and the frontal bone.