
Chapter 9: Earth
What you need to learn in this chapter

In this chapter, we will be learning about Earth and its important elements.
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!
Topics in this chapter

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