The study of the processes and phenomena of the atmosphere, especially as a means of forecasting weather.
Meteorology
The scientific study of life in the geologic past, especially the study of animals and plant fossils.
Paleontology
The branch of science that deals with celestial objects, space, and the physical universe as a whole.
Astronomy
The scientific study of earth quakes
Seismology
The study of solid earth, the rocks of which it is composed, and the process by which they change.
Geology