This is a timeline consuming of milestones for 8-11 year old students. This timeline focuses on the major physical development milestones students are going through during that age. These are important for teachers to understand to where students are coming from and to create richer more meaningful lessons.
Parent-child communication patterns can change with puberty. Many adolescents report that they can't talk with parents about issues related to sexuality, and they don't get needed information in sex education courses at school.
Students move from thinking in terms of "What's in it for me" fairness (if you did this for me, I would do that for you), to wanting to gain social approval and live up to the expectations of people close to them -- can take perspective of others, may place needs of others over own self-interest.