The perfect science fair idea books ... Spectacular ScienceProjects Janice VanCleave's Volcanoes Why do volcanoes erupt? How do scientists predict volcanoes? Where are most volcanoes found? Janice VanCleave's Volcanoes includes 20 fun and simpleexperiments that allow you to discover the answers to these andother fascinating questions about volcanoes, plus dozens ofadditional suggestions for developing your own science fairprojects. Learn about predicting volcanic eruptions with a simpleexperiment using a magnet, a nail, and a piece of cardboard.Explore the fiery unseen interior of a volcano using a potato and aplastic soda bottle. Find out how lava forms into rocks usingmarbles in a box. All experiments use inexpensive householdmaterials and involve a minimum of preparation and clean up.Children ages 8-12 Also available in the Spectacular ScienceProjects Series: Janice VanCleave's Animals JaniceVanCleave's Earthquakes Janice VanCleave's ElectricityJanice VanCleave's Gravity Janice VanCleave's MachinesJanice VanCleave's Magnets Janice VanCleave's MoleculesJanice VanCleave's Microscopes and Magnifying Lenses JaniceVanCleave's Weather