1. Conductors & Insulators
Which of these is a conductor?
A) Plastic B) Wood C) Copper D) Rubber
D) Rubber
What type of circuit has only one path?
Series
What gives power to a circuit?
Battery
What kind of material is rubber?
Insulator
True or False: A coin is a conductor.
True
What is an insulator?
Something that stops electricity from flowing
What happens if one bulb breaks in a series circuit?
All bulbs go out
What carries the electricity?
Wires
Which circuit is best for one light bulb?
Series
True or False: A switch controls the flow of electricity.
True
True or False: Glass is a conductor
False
In a parallel circuit, if one bulb goes out, do the others stay on?
Yes
What uses the electricity to do something?
A load (like a bulb)
What happens when a circuit is open?
Electricity does not flow
True or False: Plastic can conduct electricity.
False
Why is metal used in wires?
Because it lets electricity flow
Which circuit is used in most homes?
Parallel
What is the purpose of a switch?
To open or close the circuit
What does a closed circuit do?
Allows electricity to flow
True or False: You can have a circuit without wires.
False
Name 3 good insulators.
rubber, plastic, glass
Why is a parallel circuit better for homes?
Because each device works on its own
What are the 3 main parts of a circuit?
Power source, wires, load
Can electricity travel through wood?
No
True or False: Light bulbs are conductors.
False (They are loads, not conductors)