Day and Night Objectives 1. Demonstrate the rotation of earth on its axis 2. Infer that the rotation of earth causes day and night Direction: Observe the illustration closely and answer the questions that follow. B A Questions Figure 6: Ball and Flashlight 1. Based on the illustration, what do you think the ball and flashlight represent? 2. Which part of the ball represents daytime? Nighttime? 3. What motion does the complete turn of the ball represent?
Answer (1)
Answer: 1. Based on the illustration, what do you think the ball and flashlight represent? The ball represents the Earth, and the flashlight represents the Sun. 2. Which part of the ball represents daytime? Nighttime? The part of the ball directly facing the flashlight (illuminated) represents daytime. The part of the ball facing away from the flashlight (in shadow) represents nighttime. 3. What motion does the complete turn of the ball represent? The complete turn of the ball represents the Earth's rotation on its axis. This rotation is what causes the cycle of day and night.
