15 Wonderful Water-Mid

Wonderful Water FOCUS Question What is water, and what can it do?

奇妙的水焦点问题什么是水，它能做什么?

Is Water Alive? Living things change. So does water. Does this mean that water is a living thing? No. Water is not a living thing. Water cannot make more of itself. Also, water is not made of cells.

水有生命吗?生物会变化。 水也是如此。这是否意味着水是有生命的东西? 不。水不是有生命的东西。 水本身不能产生更多的物质。 而且，水不是由细胞构成的。

Water for Living Things Living things grow. They also make more of their own kind. Living things need water to do these things. Let's find out what makes water so special. Do You Know? More than half of your body is made of water!

生物的水生物会生长。 它们也会制造更多的同类。 生物需要水来做这些事情。 让我们来看看是什么让水如此特别。 你知道吗?你身体的一半以上是由水构成的!

Solid, Liquid, or Gas? Everything you see is either a solid, a liquid, or a gas. Toys are solid. Milk is a liquid. The air in a balloon is a gas. Water can be a solid, a liquid, or a gas.

固体、液体还是气体?你所看到的一切不是固体、液体就是气体。 玩具是实心的。牛奶是液体。 气球里的空气是一种气体。 水可以是固体、液体或气体。

Changing Water Water is solid when it is ice. Water can also be a gas. If you warm up ice, it melts. Now you have liquid water. If you warm up liquid water, it turns into a gas. Now you cannot see it!

水变冰时是固体。 水也可以是气体。如果你给冰加热，它就会融化。 现在是液态水。 如果你加热液态水，它就会变成气体。 现在你看不见了!

If liquid water gets very cold, it turns solid. Now you have ice. Our air has water in it. The water is a gas. It turns into liquid when the air gets cold. Water makes clouds, rain, and snow.

如果液态水变得很冷，它就会变成固体。 现在你有了冰。我们的空气中含有水。 水是气体。当空气变冷时，它就会变成液体。 水形成云、雨和雪。