Earth's Water

Earth's Water. Written by Katherine Scraper. Focus Question. Why is water important?

《地球上的水》，作者：凯瑟琳·斯克雷珀。核心问题：水为什么很重要？

Water everywhere. Water is in ponds, lakes, and oceans. It flows in rivers and streams. It is in the air and frozen as snow and ice.

水无处不在。 水存在于池塘、湖泊和海洋里。 它在河流和小溪里流淌。 它存在于空气中，也会冻成雪和冰。

Most of Earth is covered with water. Plants and animals need water to live.

地球的大部分面积都被水覆盖。 植物和动物的生存都离不开水。

What are some ways you use Earth's water?

你使用地球上的水的方式都有哪些呢？

Different forms of water. Most of the water we see is a liquid. Liquid water takes the shape of the container it is in.

水的不同形态。 我们见到的大多数水都是液态的。 液态水的形状会随着盛放它的容器变化。

Not all water is liquid. When water gets very cold, it freezes. It becomes solid. Solid water is called ice.

并不是所有的水都是液态的。 当水变得非常冷的时候，就会凝固。 它会变成固态。 固态的水叫做冰。