Show why oil floats on water it seems very curious nt at first sight that one ane liquid should ho be able ablo to float on oil tho the surface of another but if wo we tiling carefully about it we see tit nt once that lint whether a tiling thing floats on oil the surface of water or not depends upon two things writes the chius childs hook book of wonders first whether it is ble that la Is will dissolve in water or not for instance it we e put a piece of salt in water it because tile the salt is soluble in water if however we put it a piece of light wood on water it floats there hero because it Is not soluble and therefore remains intact and ilao also because the weight of the piece of wood la Is loss less than tin nn equal piece of 0 water it Is much the lie same with oil oil and fat tire are quite ansol uble in water and na an the oil Is considerably s sider Ider ably than the bull bulac of water it floats blonts on the surface |