Learn all about rocks, minerals and geology. What are the similarities and differences between rocks and minerals? What are the properties used by scientists to identify minerals? What are the environmental conditions during the formation of sedimentary, igneous and metamorphic rocks? What are the physical changes that occur in rocks and minerals as a result of weathering and erosion? How are rocks and minerals used in our everyday lives? The answers to all of these questions are covered in depth with detailed graphics, diagrams and exciting video. On-screen, multiple-choice reviews at the end of each segment reinforce important concepts and make learning fun.