1. The transition period from childhood to adulthood.
Adolescence
The transition period from childhood to adulthood.

2. Adolescence (term coined by G. Stanley Hall in 1904)
Adolescence (term coined by G. Stanley Hall in 1904). Is it getting longer?

3. Puberty
The period of sexual maturation, when we become capable of reproducing.

4. Primary Sexual Characteristics
Body structures that make reproduction possible.
Penis
Testes
Ovaries
Vagina

5. Secondary Sexual Characteristics
Non-reproductive sexual characteristics.
Body Hair
Widening of the Hips
Deeper Voice
Breast Development

6. Landmarks for Puberty
Menarche for girls.
First ejaculation for boys.

7. Parent and Peer Influence
Parent/Teen conflicts are more intense during early adolescence; become less frequent in late adolescence.
Parents have more influence on teens in the area of vocation and deep moral issues (i.e. religion).
Peers have more influence on daily decisions (i.e. how to dress).