| A | B |
| development | The process of growth and change over the course of life. |
| hormones | Chemical substances that control body processes. |
| body image | The way you see yourself. |
| temperament | An inborn style of reacting to the world and relating to others. |
| life events | The experiences that people have in life. |
| life-span development | The concept that change occurs throughout a person's life. |
| life task | A challenge to be met at each stage of life. |
| adolescence | The stage of life between childhood and adulthood. |
| introverted | Focused inward or on oneself. |
| extroverted | Focused outward or on others. |
| attitude | A person's basic outlook on life or a specific topic or issue. |
| serotonin | A brain chemical that affects mood and attitude. |
| self-worth | Feeling worthy of love and respect. |
| morality | A system of conduct based on right and wrong. |
| conscience | An inner sence of what is right and wrong in one's own behavior or motives. |
| code of ethics | A clear set of morally sound rules and principles that guide actions and decisions. |
| maturity | To be fully developed. |
| conform | To follow the sustoms, rules, or standards of a group. |
| self-discipline | The ability to direct your own behavior in a responsible way. |
| egocentrism | The inability to see life from anyone's viewpoint but your own. |
| prejudice | An unfair or biased opinion, often about certain religious, political, racial, or ethnic groups. |
| philosophy of life | The sum of a person's beliefs, attitudes, values, and priorities. |
| character | Being morally strong, with the ability to think, judge, and act with maturity. |
| citizenship | Members in a community that guarantees certain rights and expects certain responsibilities. |
| press conference | When political leaders answer questions from news media representatives. |
| pollutants | Impurities in the environment. |
| volunteerism | Willingness to give service to others. |
| altruism | Unselfish concern for the welfare of others. |