Ropes and their uses for the sailor are the focus of this unit. Students begin the study by taking apart a section of rope and putting it back together, testing strength at various stages. They also practice tying different knots and learn about the uses of ropes in sailing. After investigating the mechanics of a block and tackle, students…

The study of beaches and their capacity as an interface between land, air, and water is presented. Students investigate shore phenomena to better understand the beach's history and possible future. Also discussed is the interaction between man and the beach, from weather effects to pollution. Laboratory investigations of samples collected from the…