1) The unit of mass a) kilogram b) meter c) second d) kilometer 2) 1000 gram is equal to a) 1kilometer b) 1 kilogram c) 1 decimeter d) 1 liter 3) device to measure mass of 100gram of flour  a) stopwatch b) scale c) vernier caliper d) volumetric cylinder  4) device to measure the length of a book  a) scale b) stopwatch c) ruler d) micrometer gauge 5) device use to measure how long does a meeting last a) ruler b) scale c) watch d) volumetric cylinder

Physics

由
打印
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？