| A | B |
| Biology | the study of living things |
| Limnology | the study of lakes |
| Oncology | the study of cancer |
| Botany | the study of plants |
| Zoology | the study of animals |
| Cosmology | the study of the universe |
| Geology | the study of rocks |
| Hydrology | the study of the Earth’s water |
| Meteorology | the study of weather |
| Technology | the study of how machines help us |
| Paleontology | the study of the history of life on Earth |
| Seismology | the study of earthquakes |
| Volcanology | the study of volcanoes |
| Anatomy | deals with the structure and organization of living things |
| Cytology | the study of cells |
| Ecology | the study of the interaction between living and non-living things |
| Entomology | the study of insects |
| Histology | the study of the bodies tissues |
| Immunology | the study of the human immune system |
| Physiology | the study of the mechanical, physical, and biochemical functions of living organisms |
| Anthropology | the study of ancient human civilizations |
| Psychology | the study of the mind |
| Sociology | the study of society |