Black and white line drawings are found throughout the book. Addresses for environmental groups, references for further reading, and facts about aquatic organisms are included. Technical terms are defined in a glossary. A chapter about coastal oceans provides background information about the ocean's five zones, fish external anatomy, and adaptations to sea life. In one activity, readers learn to appreciate the value of blubber as an insulator.
Students form a two inch ball of suet and insert the bulb of a thermometer into it.
They place the thermometer with the suet and a thermometer without suet into a container of cold water and measure the two temperatures after fifteen minutes. An explanation of the effects of the lard on heat loss is included. ENC does NOT distribute this resource.