Telling children there are 3 states of matter is much easier than telling them about Frank Hobarts 2-stage triple balance beam phase plasma and how it only exists when the sun and the moon align during an eclipse while you sing Ave Maria
Learning how to teach without overwhelming people is extremely important.
Overwhelming children is not a good idea.
I wouldnt teach sin to a group of children I'm trying to teach basic addition to. Heck, it's not even a good idea to tell them about negative numbers at that point.