placas tectonicas
Earth’s Interior 6C. Indirect Evidence We have never seen deep inside the Earth. Geologists use an indirect method that relies on inferring what might.
Chapter 12 Earth’s Interior. P and S waves moving through a solid Figure 12.2.
Our Planet. Contents Internal Structure of the Earth Theory of Continental Drift Hypothesis of Sea-floor spreading Theory of Convection Currents Theory.
The Crust
Core- center of the earth, made up of iron and nickelCore- center of the earth, made up of iron and nickel Outer core is liquid and inner core is solid.
Continental Drift Who is Alfred Wegener? A German scientist who 1912 suggested that that the continents have and are moving – Theory of Continental Drift.
Physical Geology of Taiwan By Adjunct Professor Hao-Tsu, Chu Department of Geography National Taiwan University Unless noted, the course materials are.
Our Planet
The theory of Plate Tectonics Plate Boundaries. Theory of Plate Tectonics ●A theory stating that the lithosphere is divided into plates which float on.
Geology of the Ocean. Origin of Earth 4.6 billion years ago began as giant disk of dust and gases orbiting the sun grains came together forming comets,
