Presented are 26 units (each title beginning with a letter of the alphabet) intended to serve as points of departure for teachers and students who desire to increase their awareness of the marine environment. Each unit includes ideas and activities drawn from a variety of content areas so that teachers of many different subjects at the junior high and middle school levels can make use of them. The units, focusing on the Gulf of Maine, may be used in their entirety or used as idea or activity sources to infuse into the usual curriculum. General topic areas include: marine art; boats, ships, and navigation; fish and fisheries; sea mammals; sea birds; tides and current; aquaculture; recreation; marine geology; marine navigation aids; marine biology; marine plants; and marine history. Among the specific topics/activities included are: building a saltwater aquarium; boat design contest; fish aging studies; activities of the State Department of Marine Resources; beach study activities; recognizing parts and kinds of vessels; scrimshaw and weather lore experiences; steps involved in introducing marine education; Northern New England Marine Education Program; a study of sea star behavior; and glaciation. A packet of student materials is provided. (JN)