I'm very passionate to teach those subjects which belongs to my civil branch.Specialy I would love to teach building materials subject.

Body language is more important while u are taking a lecture. It should be according to mood of enviroment. For example if students are not focusing on u then u should interact with them, u should have to do a little gossip on current things in which students are intreasted and then try to make fun of some topic related to course or the topic u r teaching currently that will attract them to maintain focus on u.

Yes,it's a % truth.

He has good quality of knowledge.