- Fluid mechanics: It is the study of fluids behavior at rest and in motion.
- Fluid statistics: It is the study of fluids behavior at rest.
- Forestry: Study of the creation, management etc.
- Futurology: It is the study of future.
- Gender Studies: It is the study of gender.
- Genealogy: The study of family ancestries and histories.
- Genetics: The branch of Biology dealing with the phenomena of heredity and the laws governing it, and the variation in the inherited characteristics (Study of genes).
- Geochemistry: Study of chemistry of the earth’s crust.
- Geography: The science of earth’s surface, physical features, climate, population etc.
- Geophysics:The physics of the earth.