| A | B |
| pure science | a science depending on deductions from demonstrated truth |
| applied science | to use the study of pure science |
| biology | the study of living organism |
| botany | the scientific study of plants |
| zoology | the scientific study of behavior |
| agriculture | the science or practice of farming |
| animal science | the scientific study of animals |
| agronomy | the science of soil management and crop production |
| horticulture | the art or practice of garden cultivation and management |
| forestry | the science or practice of planting |
| engineering | the branch of science and technology concerned with the design |
| hydroponics | the process of growing plants in water |
| aquaculture | the rearing of aquatic animals or the cultivation |