密度的测量是利用物理公式间接测定一个物理量的实验,该实验从实验原理、使用仪器、实验步骤的设计、数据的记录、数据的计算等方面进行全面考查,涉及天平、量筒等多种仪器使用,是检验同学们实验能力的一个重要实验.器材准备:天平(含砝码)、量筒、小石块、细线、清水、滴管、抹布等.实验要求:1.会正确用量筒测量小块不规则固体(如小石块)的体积.2.会正确、熟练调节和使用天平.3.能正确、熟练地借助天平和量筒测算出固体的 Density measurement is the use of physical formula indirect determination of a physical quantity of the experiment, the experiment from the experimental principle, the use of equipment, the design of experimental procedures, data records, data calculations and other aspects of a comprehensive examination involving scales, measuring cylinders and other instruments , Is an important experiment to test students’ ability to experiment Equipment Preparation: Balance (including weight), measuring cylinder, small stones, thin lines, water, pipette, rags, etc. Experimental requirements: The volume of irregular solid (such as small stones) .2 will be correct, skilled adjustment and use of the balance .3 can correctly and skillfully with the balance and the cylinder to measure the solid