Circuits
What is a circuit?
A path that electricity follow in a loop.
What would happen if you added another light bulb?
Each bulb (in a series circuit) would get dimmer because they share their energy.
What happens when a circuit is open?
The electricity stops flowing.
What would happen if you added another battery?
The bulb would shine brighter because there is more energy.
What are the three main parts of a simple circuit?
battery, wires, and light bulb.
Can electricity flow through air or wood? Why or why not?
No, because air and wood are insulators.
What is a conductor?
A material that allows electricity to flow, like metal or foil.
Why do we cover copper wire with plastic coating?
The plastic coating keeps people safe by preventing shocks or short circuits.
What does polarity mean in a battery?
It means the battery has a positive and a negative side.
What is the positive side of the light bulb called (the long wire)?
An anode