They will role-play whale behavior. Students' bags should sit flat on the table with the back facing up.
Students glue the flukes to the bottom of the bag.
Distribute dorsal fins. Show students how to fold the flaps at the bottom of the fin. Fold flaps in opposite directions for better stability. Students glue the bottoms of the flaps to the bag of the bag so that the fin stands up. Glue fin in center of bag.