| lefttop00Cognitive DevelopmentTeens begin to use more complex thinking with their personal decisions at home and school. They also begin with abstract thinking and cinsider many points of view and find reason in their known principles. This is also when they begin to speak their minds and may begin to question authority and the standards of society | Moral DevelopmentFamily, culture, and religion influence moral decision making. During adolescence, peers begin to have a greater influence, and they may begin to rebel. lefttop00In their late teens, they begin to rebel less and find their identity and belief system. They will begin to feel passionate about their moral code and participating in activities to demonstrate their moral convictions. | lefttop00Physical DevelopmentPhysical development is different among females and males.Females develop breasts and begins to grow pubic, underarm, and leg hair. Menstrual cycles begin to mark a females puberty, and will have growth spurts until about 16 years old. |