The purpose of this sourcebook is to provide elementary classroom teachers with meaningful ideas and activities for supplementing their science and language arts programs. Five general topics encompassing the earth, life, and physical science have been selected as units and further subdivided into chapters. Each chapter contains a multitude of thoroughly researched and purposeful activities for students and a section for teachers that develops background knowledge. Chapters include: (1) Mixing Colors; (2) Colors in Nature; (3) Magic of Color; (4) Chromatography; (5) Life Cycles; (6) Earth Cycles; (7) Physical Cycles; (8) The Stories Rocks Tell; (9) Analyzing Dinosaur Data; (10) Fossil Fuels: Buried Tales from Yesteryear; (11) Archaeology: Secrets from the Past; (12) Force and Motion; (13) From Hot Air Balloons to the Space Shuttle; (14) From Paddle Boats to Submarines; and (15) Science in the Media. (Each chapter contains a glossary and bibliography.) (DDR/NB)