What does the author explain in “How Does
Earth Move?”

In this lesson you will learn how to identify the main purpose of a text by asking, “What is the author trying to teach me?”

Let’s Review
• Non-fiction text
• How Earth moves

Core Lesson
1 Look back at the questions you have asked and answered as you read.
2
Look back at the illustrations and vocabulary words.
3 Ask, “What is the author trying to teach me?”
4 Use this information to write the author’s main purpose for writing the text.

Core Lesson
What are two ways Earth moves?
1. Earth rotates.
2. Earth revolves around the sun.

Core Lesson
How does Earth have day?
 It is day in Miami because
Earth is facing the sun.
When half of Earth is facing the sun, it is day.
When half of Earth is facing away from the sun, it is night.

Core Lesson
What does the diagram help me understand about
Earth’s seasons?
It helps me understand that Earth has seasons because it is tilted as it revolves around the sun.

Core Lesson
Rotate – To spin around like a top.
Earth spins around like a top.
Revolve – To go all the way around something.
Earth goes all the way around the sun.

Core Lesson Hmm, what do these things have in common?

Core Lesson

Core Lesson
What is the author trying to teach me?
Earth’s movement causes day and night. It also causes the seasons.

Core Lesson
1 Look back at the questions you have asked and answered as you read.
2
Look back at the illustrations and vocabulary words.
3 Ask, “What is the author trying to teach me?”
4 Use this information to write the author’s main purpose for writing the text.

In this lesson you have learned how to identify the main purpose of a text by asking, “What is the author trying to teach me?
”