Chapter 9 : Earth
What will you learn in this chapter
First, we will study water.
We will learn about where water comes from, like rain, rivers, lakes, seas, and springs. We will also learn how to tell the direction of water flow.
Next, we will study air.
We will learn that air is all around us.
We will also learn that air is made up of gases like oxygen and carbon dioxide.
Let's have fun exploring Earth and its amazing elements!
