Who Sank the Boat? (Paperstar)
Floating and Sinking (Our Physical World)
Does It Sink or Float? (What's the Matter?)
What Floats? What Sinks?: A Look at Density (Lightning Bolt Books)
Early Reader: Sink or Float?
Sink or Float? (Learn to Read Science Series)
Captain Kidd's Crew Experiments with Sinking and Floating (In the Science Lab)
What Magnets Can Do (Rookie Read-About Science)
Things That Float and Things That Don't
Animals in Winter (Let's-Read-and-Find-Out Science)