Summary Model how fish or other animal's shapes are adaptations for how they move through water, and how they regulate their depth in the water. Science content Biology: Features, Adaptations of Living Things (K, 1, 3, 7) Activities in this lesson Water resistance: racing shapes through water Buoyancy, sinking and floating - free experimentation Procedure Introduce the lesson: the activities model ways that fish and other animals are adapted for moving through water. Do the two activities, with discussion after each. Notes For Aboriginal Focus School SRP, this was combined into one lesson with the Fish feeding methods in water activity. Pacific Heights Elementary had three stations: racing shapes through water and buoyancy (relating to salmon) and water cycle bracelet. Grades taught Gr K Gr 2 Gr 3 Gr 4 Gr 5