27 From Sand to Glass

WHERE DOES IT COME FROM? FROM SAND TO GLASS

它从哪里来？ 从沙子到玻璃

Heat and Shape Sara sips from a glass bottle. Where does it come from? Sand! sand

加热塑形 萨拉对着玻璃瓶小口喝 它从哪里来呀？ 沙子！是沙子呀

Sand goes to a factory. Materials are added. factory

沙子被运去工厂 再加入其他原料 工厂

furnace A furnace heats it.

熔炉 熔炉把沙子加热

It turns to liquid. It is cut into globs. They drop into tubes. liquid glass

它变成了液体 被切成团团块块 它们掉进管子里 液态玻璃

They go in molds. These shape the glass. mold Glass hardens.

它们进入模具 模具给玻璃塑形 模具 玻璃变硬了