The Power of Circuits

The video explains how flashlights work by using electricity from batteries to light a bulb. It introduces the concept of circuits, which are paths that electricity follows. The video demonstrates building a simple circuit with a battery, wires, and a bulb, and explains how a switch can control the flow of electricity. It also highlights the presence of circuits in everyday devices like cars and computers.

What happens to the electricity when the switch is turned off?

Describe the process of how a flashlight lights up when the circuit is complete.