大手牵小手同学们,你们知道吗?鲁班观察带齿的叶子,发明了锯子;牛顿观察落地的苹果,发现了地球引力,瓦特观察烧水的壶盖,发明了蒸汽机……生活中,许多重大的发明和发现都离不开平时的细心观察。我们如果从小养成爱观察、爱思考、爱发现的好习惯,就有可能和这些科学家、发明家一样, Great hand hands-on students, do you know? Luban observed with teeth leaves, invented the saw; Newton observed the apple landing, found the gravity of the earth, watts Watt pot lid, invented the steam engine ... ... life, many major The inventions and discoverings are inseparable from the usual careful observation. If we develop a good habit of love observation, love thinking and love discovery since childhood, it is possible that like these scientists and inventors,