利用浮力知识测定物质的密度,其基本原理仍是密度公式ρ=mV.因此,充分发挥所给实验器材的作用,利用浮力知识设法直接或间接地测出待测物体的质量和体积,便是处理问题的切入点.下面结合近几年的中考试题,探讨一下处理这类问题的思路和方法.一、测定固体密度利用浮力知识测定固体 The use of buoyancy knowledge to determine the density of matter, the basic principle is still the density formula ρ = mV. Therefore, give full play to the role of the given experimental equipment, using buoyancy knowledge to try to directly or indirectly measure the quality and volume of the object to be measured, is Dealing with the entry point of the problem. The following combination of the middle exam questions in recent years, explore the ideas and methods to deal with such issues. First, the determination of solid density Determination of solids using buoyancy knowledge