There are some cool, interesting theatre articles on this site on some technical theatre aspects! If you are more into tech theatre, this is the place for you.
This website has a bunch of fun articles to read all about theatre. You can read about plays, books, and even games and warm ups! It might be fun to look through the games and exercises tab and try some with your family. :)
This site has some helpful resources such as monlogues for boys and girls, scenes, and acting exercises.