Can you use X-rays to measure bone mineral density? This is the essential question that learners must answer in the first installment of a seven-part series. They brainstorm ideas about necessary background information and what they...

Strengthen understanding of the musculoskeletal system with a structured lesson! Begin with a discussion of bones, joints, and muscles. Have small groups read assigned articles and watch videos to gather information and then write a...

Learners identify evidence of change in species using fossils, anatomical similarities, and embryology. They identify homologous structures and arrange the steps of fossil formation. Students complete a group of selection of organisms...