1. Rotation and Revolution
What causes day and night? Why do we have four seasons?

2. Day and Night
Rotation

3. Day and Night
When you see this picture of the Earth, where do you think the sun is located? Why? Will the sun shine in this spot all of the time? Why or why not?

4. Day and Night

5. Day and Night What does it look like at someone’s house? Earth Viewer
Shadow Effect

6. The Four Seasons

7. The Four Seasons

8. The Four Seasons Seasonal Words Diagram
Understanding the Earth's Movement

9. Do You Know? What causes day and night?
What do you call the movement of the Earth on its axis?
What causes the seasons?
What do you call the movement of the Earth around the sun?