Generic Discovery Education Earth Science Dvd: Elements Of Earth Science: The Earth: Inside And Out, (56554)

Discovery Education Earth Science DVD: Elements of Earth Science: The Earth: Inside and Out, (56554) DVD contains 6 different segments|Segments include: Energy from Earth's Interior, The Earth's Crust, Plate Tectonics, Volcanoes, Earthquakes, and Mountain Building|DVD run time is approximately 30 minutes|Grade level 6-12 This DVD examines the Earth's composition and forces. DVD covers 6 segments including: Energy from Earth’s Interior, The Earth’s Crust, Plate Tectonics, Volcanoes, Earthquakes, and Mountain Building. The Energy from Earth’s Interior segment shows how heat plays a fundamental role in shaping Earth's surface. The Earth’s Crust segment explores the differences between continental and ocean crust. The Plate Tectonics segment reviews how Earth's crust is constantly changing. The Volcanoes segment shows how the collision of tectonic plates sends hot magma shooting up through fissures in the crust. The Earthquakes segment explores how earthquakes are created and why some of the most dangerous ones occur on the ocean floor. The Mountain Building segment examines how friction and stress along plate boundaries have created some of the most dramatic land forms on our planet. DVD run time is approximately 30 minutes. Grade level is 6-12.