Floating and Sinking  by Amy Hansen

Captain Kidd’s Crew Experiements with Sinking and Floating (In the Science Lab series)  by Mark Weakland and Troy Cummings

Who Sank the Boat? By Pamela Allen

Youtube:  sink or float? SciShow Kids

                  Sink of Float TeacherMarklund

                   Sink or Sloat– Vegetables   Sweet Science TV