The video shows a cartoon of a classroom with a boy in a red shirt standing in front of a blackboard. He is holding a light bulb and pointing to the blackboard. The blackboard has a drawing of the Earth on it. There are several students sitting at their desks, and a teacher standing next to the blackboard. The boy in the red shirt is smiling and appears to be explaining something. The classroom has yellow walls, and there is a clock on the wall.