Use the simulations below to answer each set of questions. 

1. Explain how the motion of Earth causes night and day.
2. How does the position of the Sun in the sky affect the intensity of sunlight striking Earth's surface?
3. How would you explain why North America is warmer in June and colder in December?
4. Why is it winter in the Southern Hemisphere when it is summer in the Northern Hemisphere?
5. What are the seasons like where you live? How are seasons different in other parts of the world?
6. Sheila says "The seasons are caused by the distance from the sun". How do you respond to her?