When Jordan finds a fossilized log with a map inside, the campers of Camp Dakota set out in search of treasure, but since erosion and weathering have changed the landscape they must use their knowledge of geology to follow the landmarks on the map. Includes glossary and experiments.
"An urgent phone call comes in, it's Doctor Ludmila Popplecracker, the famous volcanologist! Drill down to the centre of the Earth to determine whether the supervolcano is about to erupt. It's a dangerous mission but you're being depended on to collect vital information."--Publisher.
Bill Nye the Science Guy answers questions about earthquakes, and conducts two experiments that demonstrate the forces of an earthquake, and how objects fall toward an applied force.
Bill Nye the Science Guy answers questions about volcanoes, and conducts an experiment that demonstrates the reaction of gas at different temperatures.
Bill explores the force of erosion, the slow wearing away of the earth's surface by water, wind or chemicals. Also discusses iron oxide and sandy beaches. Comedy, interviews with scientists and hands-on experiments.
Examines the structure and history of Earth from the perspective of visitors from a distant galaxy, focusing on the causes, effects, and study of earthquakes; looks at some of the twentieth century's most devastating earthquakes; and includes a demonstration of how to build and test a seismograph model.