JJ
Teacher 1
Mee Xuan
Teacher 2
Jake
100
Draw a symbol of 3 batteries.
100
What is the source of electrical energy that is created by a chemical reaction and pushes electric charges in a circuit called?
battery
100
Which is a circuit diagram?
Picture A:
Picture B:
Picture B
100
What is the purpose of a switch in a circuit?
It controls the flow of electrical current within a circuit.
100
What is a component?
A general name given to electrical devices in a circuit.
200
What material does not conduct electricity?
Rubber, plastic, wood, glass, ceramics, Styrofoam and wax.
200
What is the device that allows an electrical circuit to be opened or closed?
switch
200
In an electrical circuit, will the lamp light up if there is no cell?
No, it won't.
200
What do we call a continuous flow of electric charge?
electric current
200
What does this symbol represent?
junction of conductor
300
What is the junction of conductors used for?
A junction is any place in a circuit where a current can split.
300
What do we call a closed loop of conductive material that will allow electricity to flow through it?
circuit
300
What does this circuit symbol represent?
open switch
300
A material through which electrical current can flow is called a 'conductor'.
What do we call a material that does not easily carry or allow the passage or flow of an electric current?
insulator
300
What should you do with the batteries that no longer work?
You should recycle them.
400
Draw a circuit using the following components:
one buzzer, one lamp, open switch, and one battery.
Check student's answer.
400
What is the filament held by two stiff wires and surrounded by a clear glass globe?
lightbulb
400
What is the name of the circuit when electrical devices are connected in the same loop?
series circuit
400
Name two things that cause a short circuit in your home.
broken wires and water
400
What is a parallel circuit?
A circuit when electrical devices are connected in different loops.
500
Draw an example of a parallel circuit.
Check student's answer.
500
What is the electrical component that produces motion called?
motor
500
What is the name of the circuit when electrical devices are connected in different loops?
parallel circuit
500
Why aren't series circuits a convenient way to wire a home?
Each component of a series circuit receives a small voltage so the amount of current decreases and the device becomes hot and does not work properly.
500
Who invented the first electric cell?
Alessandro Volta