| A | B |
| obesity | Characterized by excessive body fat. |
| middle childhood | Refers to the ages of 6 through 12. |
| self concept | The view a person has of himself or herself. |
| self-esteem | Belief that you are a worthwhile person. |
| concrete operations | The use of logic based on what you have seen or experienced. |
| social comparison | Defining yourself in terms of the qualities, skills, and attributes you see in others. |
| morality | Concept of using accepted rules of conduct when interacting with others. |
| operation | Manipulation of ideas based on logic rather than perception |
| classification | Ability to group by common attributes |
| conservation | The concept that a change in position or shape of substances does not change the quantity. |
| empathy | Ability to understand the feelings of others |
| rehearsal | Technique children use to remember information. |
| nearsighted | Ability to see close objects more clearly than those at a distance. |
| farsighted | Ability to see objects at a distance more clearly than close objects. |
| moral development | The process of acquiring the standards of behavior considered acceptable by a society |
| compassion | Being aware of others’ distress and wanting to help them. |
| seriation | Ability to arrange items in increasing or decreasing order based on volume, size, or weight. |