Motion
1. Motion of an object is perceived:- *when the position of an object changes with time. * through indirect evidences, for example motion of air is observed by the movement of leaves. 2. What causes the phenomenon of sunrise, sunset and changing of season ? As the Earth rotates toward the east, it looks like the sun is moving west. Rotation and phenomen of day & night: Sunrise, Sunset The sun stays in its position at the center of our solar system. It doesn't rise and set. But it appears to rise and set because of the Earth's rotation on its axis. It makes one complete turn every 24 hours. It turns toward the east.As the Earth rotates, different locations on Earth pass through the sun's light. The animation shows how that looks hour by hour (for 4 hours). As your town turns toward the sun and begins to enter its light, the sun seems to rise in the east. As your town begins to leave the sun's light and enter darkness, it appears to set in the west....












Comments
Post a Comment