How Fish Sink and Float

Causes and Cures for Goldfish Swim Bladder Disorder

Easy Cartesian Diver Experiment with a Fishy Twist

20 Balloon Experiments for the Science Classroom

14 Balloon Science Activities

How Do Sharks Float? - Little Bins for Little Hands

Sink and Float: Hands on Learning in a Primary Class - The Harley

Easy Cartesian Diver Experiment with a Fishy Twist

What Floats? What Sinks?: A Look at Density - Lerner Publishing Group

How do fish rise and sink in the water?

Easy Cartesian Diver Experiment with a Fishy Twist