How do muscles move bones? Find out using a built-in-class model. Pupils construct a hand model with paper and string, then follow a series of directions to explore the movement process. Discover additional information about the muscular...

Human bodies prove evolution thanks to our genes, bones, and more. Learning about specific body parts and how they evolved from other species helps individuals better understand the transition species that helped us become who we are today.

Young scientists are introduced to the connections among cells, tissues, organs, and systems in a life science reading comprehension worksheet that asks them to respond to a series of questions based on the passage.