floating bodies

TV's Don Herbert uses demonstrations and hands-on activities to teach scientific principles.

Presents an introduction to the concepts of sinking and floating, in simple text with illustrations, explaining how density and shape impact whether an object will sink or float.

Describes in simple terms why some things float and some sink.

Studies numerous items and whether they will float or sink.

Fun projects explain what floats and what sinks and why.

Presents simple experiments and activities to demonstrate why some things float but others sink.

Describes the basic properties of materials, contrasting things that float and things that sink, and includes photographs, a picture glossary, and a quiz.

Offers a brief description of the science of floating and sinking.

Simple text and photos present several examples of things that float and sink, briefly describing light and heavy objects, animals that float and swim, and the act of skipping stones.