Upbringing and Tarbiyah

Q: I have two questions.

1. What are the signs of buloogh (puberty) in a boy?

2. I know a 14 year old boy who masturbated and a thick white fluid came out, would he be counted as baaligh?

Q: Is it permissible for a father to bash his six year old daughter?

Q: What's an easy way of explaining the times of salaah to a class of about 10-13 year olds?

Q: Is it permissible to whistle and clap when playing with babies etc?

Q: I wanted to know, what is the correct Sunnah way to address your Mum and Dad? What did Nabi (Sallallahu Alaihi Wasallam's) blessed children address him and Sayyidina Khadijah (Radiyallahu Anha) by? Was it Abba and Amma? Or Abu and Ummi? Or any other titles?

Q: Is it permissible to give babies toys e.g. soccer ball with small bells inside that jingle when moved around?

Q: Alhamdulliah Allah Ta'ala blessed me with two daughters. What is my duty and responsibility to them. What are the things a father needs to teach a child?

Q: Is it right for a father to let his daughter sleep over at her cousin's house? Is it right for the father to let his daughter sleep his house for 2 nights after one another?

Q: Can you please name me some books for children's tarbiyah?

Q: I have received money from family for my children who are still minors. Can I use this money that was given specifically in their names to buy nappies, clothes and other items for their use?