This document targets upper elementary and middle school students and provides activities to understand what the ocean floor looks like, the interactions of ocean communities, and the true nature of sharks. The activities are developed at three levels: beginner, intermediate, and advanced. The twelve activities include: (1) "Ocean Detectives"; (2) "Make a Mountain"; (3) "Ocean Motion"; (4) "Sea Around You"; (5) "Rock Reef Critters"; (6) "Ahoy! It's an Island"; (7) "Take a Dive"; (8) "Shark Parts"; (9) "A Dentist's Dream"; (10) "Smelly? Not!"; (11) "Fishing for Dinner"; and (12) "Shark Folklore." Career information and resources are also included. (YDS)