| A | B |
| observations | data obtained through SENSES |
| inferences | CONCLUSION based on observation |
| classification | arranging into groups based on specific CHARACTERISTICS |
| biology | study of LIVING THINGS |
| botany | study of PLANTS |
| zoology | study of ANIMALS |
| microbiology | study of MICROSCOPIC LIVING THINGS |
| ecology | study of the relationship between LIVING AND THEIR ENVIROMENT |
| physics | study of the relationship between MATTER AND ENERGY |
| chemistry | study of MATTER |
| dichotomuskey | key used to identify OBJECTS BY BRANCHING INTO REPEATED DIVISIONS OF 2 |