Notes and Study material for Exams
Interior of the earth- composition and physical conditions Core, mantle, and crust are divisions based on composition. The crust makes up less than 1 percent of Earth by mass, consisting of oceanic crust and continental crust is often more felsic rock. The mantle is hot and represents about 68 percent of Earth’s … Read more
Most of the knowledge we have about Earth’s deep interior comes from the fact that seismic waves penetrate the Earth and are recorded on the other side. Earthquake ray paths and arrival times are more complex than illustrated in the animations, because velocity in the Earth does not simply increase with depth. Velocities generally … Read more
The major domains of the Earth are: AtmosphereAtmosphere: The layer of gases that surrounds the Earth. Biosphere: The part of the Earth that supports life. Hydrosphere: The water on Earth’s surface. Lithosphere: The solid surface of the Earth. Cryosphere: The frozen parts of the Earth, including glaciers, ice sheets, and sea ice. Geosphere: The solid … Read more
Here is a list of subtopics without any description for Plate Tectonic Theory: Plate tectonics Lithosphere Asthenosphere Plate boundaries Convergent boundaries Divergent boundaries Transform boundaries Plate motion Seafloor spreading Continental drift Mountain building Earthquakes VolcanoesVolcanoes Plate tectonics and Climate Change Plate tectonics and the evolution of life Plate tectonics and the future of Earth Plate … Read more