| Term | Definition |
| ego | keeps the id and superego balanced |
| environment | surroundings |
| id | represents our most basic needs and desires |
| superego | represents society's teachings regarding right and wrong |
| Chamberlain | Led the defense of Little Round Top at Gettysburg |
| blue | color of most Union Army uniforms |
| grey | color of most Confederate Army uniforms |
| caliber | measures the diameter of a bullet and the diameter of a rifle barrel |
| Khufu | built the Great Pyramid in Egypt |
| Xian the Merciless | built a gigantic pyramid in China |
| Terra Cota warriors | gaurded Xian's pyramid in China |
| system | a working thing made up of two or more parts |
| grid | a system of horizontal and vertical lines |
| location | describes the spot on the earth an objest occupies |
| place | describes what can be found at a location |
| precipitation | water falling as rain, snow, or fog |
| atmosphere | the layer of gasses surrounding the earth |
| conditioned response | the response the subject is trained to perform |
| rotation | the spinning of the earth on its axis |
| revolution | the movement of the earth around the sun |
| nonrenewable | cannot be replaced |
| ecology | the study of the earth's ecosystem |
| regions | areas that have common characteristics |
| biodegradable | having chemical parts that decay over time |
| transportation map | shows roads, highways, and points of interest |
| political map | show boundaries of countries, states, counties, towns |
| economic map | shows the resources and occupations of an area |
| projection | projecting one's faults onto someone else |
| denial | refusing to believe something even if it is obvious |
| denotation | lindaaa |