| A | B |
| pure science | science just for knowledge |
| applied science | using knowledge to make things better |
| biology | the pure science of studying living organisms |
| botany | the pure science of the scientific study of plants |
| zoology | the pure science of the scientific study of animals |
| agriculture | the applied science of studying the production of crops, livestock, or poultry |
| animal science | the applied science of the scientific study of animals |
| agronomy | the applied science of the studying of plants that are highly processed |
| horticulture | the applied science of the study of plants eaten as recognized |
| forestry | the applied science of the science of using trees to make lumber and paper |
| physics | the pure science branch concerned with nature and properties of matter and energy |
| engineering | the applied science branch of technology concerned with design and building of machines |
| hydroponics | the applied science process of growing plants without soil |
| aquaculture | the applies science of the rearing of aquatic animals |