View the impact of temperature & salt on ocean circulation
Large, easy-to-use model gives your class a firsthand look at ocean circulation patterns. Simply place cold, blue-colored water in one cylinder and hot, red-colored water in the other to watch density currents in action. Your students can also substitute saltwater and freshwater to observe their effect on circulation. Made of durable plastic for years of use. Includes detailed teacher's guide. Size: 14"L x 4 1/4"W x 12" H.