RAZ分级阅读 · RAZ H级
Earth's Water
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.
Most of Earth is covered with water. Plants and animals need water to live.
What are some ways you use Earth's water?
Different Forms of Water Most of the water we see is a liquid. Liquid water takes the shape of the container it is in.
Not all water is liquid. When water gets very cold, it freezes. It becomes solid. Solid water is called ice.
