This is the Padi eLearning Dive Theory - Learn About Scuba Dive History For Scuba Diving Student Features: Diving affects the body Different types of dive gear work Identify and avoid diving injuries Dive Theory will dramatically expand your understanding of dive physics, physiology, equipment, decompression theory and dive planning. Any diver can complete Dive Theory eLearning for personal enrichment. PADI Divemaster, IDC, IDC Staff and CDTC candidates may earn credit toward the dive theory exams. Ask your instructor for details.