This packet contains a series of teaching guides on global change. The series includes lessons on dendrochronology; land, air, and water; and island living. Included is information such as : laws of straws; where land, air, and water meet; and Earth as home. Each section provides an introductory description of the activity, the purpose of the lesson, materials needed, procedures, questions, extensions, and resources. Additional reading material, graphs, charts, and worksheets are also included. (SAH)