Floating and sinking /
by Jack Challoner.
- Austin, Tex. : Raintree Steck-Vaughn, c1997.
- 32 p. : col. ill. ; 27 cm.
- Start-up science .
Includes index.
Accelerated Reader
Simple activities introduce the qualities of things that float in water, the difference between floating and swimming, and how balloons and airships stay up in the air.