how to education

principle
1 teach people how to think
2 why we should learn it
3 how to learn it

way to teacher
1.face to face:tell, explain, question , tell the answer
2.online video
3.read book
4.interactive way, tell you-ask question-solve it
5.VR or AR
6.game:quick feedback and use it, just know how to do.

way to check
1.exam:选择题，填空题，限制问答题，开放式问答题
2.retell
3.use it: project or practice
4.teach other
5.debate

level of knowledge
1.information
2.knowledge
3.theory
4.practice
5.wisdom，use theory to understand knowledge, get theory through knowledge and practice,using knowledge or theory guide practical work.

example:sergio oxy-fuel
introduce whole process：SA,caculate,cylinder,filling,panel,analysis
ask which factor will cause explosion？

wiston from MIT:
1.give a promise, why we should learn it, how important it is
2.give a structure, main content in class
3.give some example and practice
4.ask question
5.cycle，repete important point to help memory