A student wants to use a spinning basketball to model the day/night cycle on Earth. What should the student do to best model the cause of the day/night cycle?
In spring/fall, the axis of the earth is pointed away or toward the sun?
What causes day & night?
Earth would not have seasons if it...
Which of these changes would likely occur if the rate of the Earth's rotation on its axis increased?
The diagram shows four positions in Earth's orbit around the sun. The Northern Hemisphere experiences the beginning of spring when Earth is in...
The model shows Earth in several positions relative to the sun. In which position is it winter in North America?
Which of these changes would likely occur if the rate of Earth's rotation on it's axis increased?
Which of these locations on Earth experiences the least change in the number of daylight hours throughout the year?
The beginning of autumn in North America is in September, but the beginning of autumn in South America is March. The diagram shows the positions of Earth, the moon, and the sun on one day in September and one day in March. Why does autumn start in different months of the year in North America and South America?
In the summer, many people enjoy going to the beach. The photograph shows a beach in Argentina, which is located in the Southern Hemisphere. Which diagram shows the position of Earth when it is summer in Argentina?