What is the relationship among the heart, circulation, and exercise? Your class members will explore first-hand how different physical exercises affect an individual's heart rate. They will begin by learning how to measure their own...

Students practice analyzing skeletal remains for clues by using the Internet.  In this scientific investigation instructional activity, students research the La Belle shipwreck using the Internet and written materials, later...

Fifth graders discover how blood moves around the body.  In this circulatory system lesson, 5th graders feel their pulse before and after exercise.  Students count their heart rate. Students use the scientific method to record...

Students comb the beach and gather remnants of unfamiliar life forms to make speculations about the origins of their discoveries. In this environments awareness lesson, students work in groups to search for evidence of life on the beach....

Young scholars investigate the differences between weather in the past and in today's world.  In this climate change lesson, students review what they currently know about global warming, then discuss ways climate change might make...

Young scholars investigate simple machines and their uses in everyday life.  In this scientific method lesson, students examine physical tools such as wedges, screws, and levers using a "how does it work" approach.  Young...

Students can use this site to observe the effects of alcohol on mice and discuss the ways in which alcohol harms and impairs the body. An online lesson, "Alcohol; Separating Fact From Fiction," has students watch video clips, engage in...