Nothing is more relevant than the study of the human body. A series of 10 human body lessons begins with growth, ends with reproduction, and hits all the major systems in between. Each lesson provides opening and closing activities as...

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...

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.