As I said before, purely theoretical knowledge is difficult for children, even if the children are already close to puberty.However, without going into theoretical physics, just notice that all their experiments can be linked together by some chain of reasoning, so that they have a well-ordered sequence in their minds and can recall them when needed. .It is difficult to recall isolated facts and arguments when there are no clues.In your search for the laws of nature, always begin with the most general and most remarkable phenomena, and train your pupils not to regard phenomena as causes, but as mere facts.I picked up a stone and pretended to put it in the air, and when I let go of it, the stone fell.Emile was looking at me, so I asked, "Why did this stone fall?"
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