Density, A measure of how much mass is contained in a given volume of a substance., an apple, Floats, a paperclip, Sinks, Gas, the particles are spread out, Oil, is less dense than water, solid, Particles are packed tightly together, Smoke, is less dense than air, water, is more dense than air

Density S2

由
打印
嵌入

排行榜

视觉风格

选项

切换模板

恢复自动保存：？