| Term | Definition |
| Reaper | Cyrus McCormick |
| iron plow | Thomas Jefferson |
| Steel Moldboard plow | John Deere |
| Cotton Gin | Eli Whitney |
| Corn Picker | Edmund Quincy |
| Barbed wire | Joseph Glidden |
| Milking machine | Anna Baldwin |
| Tractor | Benjamin Holt |
| Father of Genetics | Gregory Mendal |
| Parasites | Organisms that live inside another organism |
| Combine | harvest grain |
| Moldboard plow | has a curved bottom |
| Cotton gin | removes the cotton seed from cotton |
| Corn picker | picks ears of corn from the stalks |
| legume | plant that hosts nitrogen fixing bacteria |
| tofu | food made by crushing soy beans |
| Green revolution | countries become self sufficient in food |
| mastitis | infection of the milk glands |
| coccidiosis | a disease |
| hybrid | off spring of a plant or animal derived from teh crossing of two different species |