earth science

     

Earth science (also known as geoscience, the geosciences or the Earth Sciences), is an all-embracing term for the sciences relate to the planet Earth. It is arguably a special case in planetary science, the Earth being the only known life-bearing planet. There are both reductionist and holistic approaches to Earth science. There are four major disciplines in earth sciences, namely geography, geology, geophysics and geodesy. The major disciplines use physics, chemistry, biology and mathematics to build a quantitative understanding of the principal areas or spheres of the Earth system.