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Earth science – all-embracing term for the sciences related to the planet Earth. [1] It is also known as geoscience, the geosciences or the Earthquake sciences, and is arguably a special case in planetary science , the Earth being the only known life -bearing planet.
Earth science or geoscience includes all fields of natural science related to the planet Earth. [1] This is a branch of science dealing with the physical, chemical, and biological complex constitutions and synergistic linkages of Earth's four spheres: the biosphere , hydrosphere / cryosphere , atmosphere , and geosphere (or lithosphere ).
[3] [4] The department teaches an undergraduate degree in Earth Sciences (leading to a 3-year BA in Geology or 4-year MEarthSci in Earth Sciences) with approximately 120 undergraduates, and entry is highly competitive. [5] The course is interdisciplinary and quantitative, with a major research project in the fourth year.
Geology – one of the Earth sciences – is the study of the Earth, with the general exclusion of present-day life, flow within the ocean, and the atmosphere. The field of geology encompasses the composition, structure, physical properties, and history of Earth's components, and the processes by which it is shaped.
Oceanography, or marine science, is the branch of Earth science that studies the ocean. It covers a wide range of topics, including marine organisms and ecosystem dynamics; ocean currents , waves , and geophysical fluid dynamics; plate tectonics and the geology of the seafloor; and fluxes of various chemical substances and physical properties ...
An earth science – one that studies the planet Earth and its surroundings. A biological science – one that studies the effect of organisms on their physical environment. An interdisciplinary field – one that overlaps atmospheric sciences , geology , glaciology , hydrology , oceanography and physics .