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Hormones change as puberty begins. Most boys grow facial and pubic hair and their voices deepen. Most girls grow pubic hair and breasts, and start their period.
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Focus on themselves; going back and forth between high expectations and lack of confidence. Experience more moodiness. Show more interest in and influence by peer group.
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Some children may be able to use logical operations in schoolwork long before they can use them for personal problems.
When emotional issues come up, they can cause problems with a child’s ability to think in complex ways. -
Uses more complex thinking focused on personal decision-making in school and at home
Begins to show use of formal logical operations in schoolwork
Begins to question authority and society's standards