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随着素质教育的日益深入,中考试题中考查学生综合素质的题型不断创新,近年来全国各地出现了一批设计新颖的好试题.其中有一类综合初中物理、化学、英语及政治的试题,引人注目.现选择其中一部分试题加以具体说明. 1.与物理知识综合例1 某人用一架不等臂天平称一铁块的重量,当把铁块放在天平的左盘中时,称得它的质量为0.4千克;当把铁块放在天平的右盘中时,称得它的重量为0.9千克,求这一铁块的实
With the deepening of quality education, the question types that test the overall quality of students in the middle exam questions are constantly innovating. In recent years, there have been a number of novel examination questions in various parts of the country. Among them, there is a comprehensive set of junior high school physics, chemistry, English and political questions. Attention is drawn to the selection of some of the test questions. 1. Integration with physical knowledge Example 1 Someone weighs the weight of a piece of iron with an inequality arm balance. When placing a piece of iron in the left plate of the balance, Its mass is 0.4 kg; when the iron is placed in the balance plate, its weight is 0.9 kg.