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中考理化实验考哪几个

更新时间: 2020-10-29 00:00:00     

中考理化实验考测金属块密度(铁,铜,铝之一),测盐水密度,测基本物理量(物理课本的宽度,水温,水果质量,砝码重量),测灯泡的功率,测电阻的阻值,验证电流表,电压表的关系(电流表串联,并联,电压表串联,并联)。

测盐水密度实验步骤为:在烧杯杯中盛适量盐水,用天平称出它们的质量m1,并记录在表格内,把烧杯中的盐水倒入量筒中一部分,用量筒测出盐水的体积V,并记录在表格内;再用天平称出烧杯和剩余盐水的质量m2,并记录在表格里。

关键词: 中考 理化 实验

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