Guide Questions: Directions: Based on your observations, answer the following questions in your Science notebook. What happened to the bulb after you connected the switch to the wires? Why? 2. How did you know that electricity flow in the circuit? 3. What happened to the bulb after you disconnected the switch to the wires? Why?

1. An open circuit is one where the continuity has been broken by an interruption in the path for current to flow. A closed circuit is one that is complete, with good continuity throughout.

2. The purpose of a switch in a series circuit is to make it easy to open or close the electrical circuit, turning the flow of electricity on or off. The purpose of the wires in a series circuit is to allow the electricity to flow from one device to the next. Wire is used to carry the flow of electrons.

3. The electric currents will stop flowing and will result to turning off bulb

Explanation:

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