Science articles give information about the natural world. They often have diagrams that explain information in the text. The title and labels in the diagram help you know what it is about.
Diagram
Title How a Volcano Erupts
1 label Rock melts deep beneath Earth’s surface, or crust.
2 Pressure forces the heated rock through cracks in the crust
3 The melted rock, or lava, erupts from the volcano.
As you read, make connections to your own life, to things you have read, and to the world around you.
This volcano in Stromboli, Italy, erupts and shoots out melted rock, or lava.