All About Puberty: Voice cracking? Clothes don't fit? Puberty can be a confusing time, but learning about it doesn't have to be. Read all about it in this article for kids.
BBC: Puberty: Interactive images display male and female bodies as they change during puberty.
Boys and Puberty: Learn why girls may be taller, when muscles start to develop, where hair starts to grow, and why sweat can smell bad.
It's a Girl Thing: About the physical and emotional changes that take place at puberty. Talks about menstruation. Includes a message board.
KidsHealth: Growing Up: Information about changing bodies and minds and the kinds of issues that older kids face.
Preteen Health Talk: Site by the Palo Alto Medical Foundation dealing with topics of interest written by and for other teens and tweens. Also includes movie and book reviews.
Puberty: What it is, when it happens, and common concerns.
Puberty Information for Boys: Explains the changes that happen in a boy's body during puberty. Includes voice, skin, hair, body size, and emotional changes.
Spiderbytes: Puberty: Information about puberty in point form and some quizzes.
Teen Health website: Boys and Young Men: Offers answers to common questions that boys and young men ask about how the body changes during puberty.
Your Changing Voice: Find out how the voice works and why it changes during puberty.