Circuit Vocabulary
Circuits
Energy Transformation
Conductor/Insulator
Measuring Forces
100
This material allows electricity to flow easily through it.
a conductor
100
A circuit that is not complete and no electric energy flows through it.
open
100
Name two kinds of energy
light, heat, kinetic, sound, chemical, electrical
100
Materials that do not allow electricity to pass through it easily.
insulators
100
What is a force?
push or pull
200
The flow of electrons.
a current
200
This object acts as a wall in a circuit. When it is activated, energy can flow or stop flowing through to a load.
a switch
200
useful energy transformation in a radio
electrical to sound
200
Electrical wires are covered in plastic because they are ___________
insulators
200
Name of the instrument above
Spring Balance
300
A complete circular path that electricity flows through.
circuit
300
A complete path that allows electricity to flow through a circuit.
closed
300
useful energy transformation in a fan
electrical to kinetic
300
Electrical wires allow electricity to pass through it easily because the wires are made of __________
copper, aluminum or any other conductive material
300
Forces are measured in what unit?
Newtons
400
What is electricity?
The movement of charged particles (electrons).
400
Name two kinds of power source in a circuit
Battery/cell and mains
400
Two energy transformation in a bulb
electrical to light, heat,
400
Name one good use of electrical insulators
prevent electrical shock
400
John measured an object that weighed 1kg. How much Newtons is this?
10N
500
A type of circuit that has more than one paths for current to flow.
parallel circuit
500
name three examples of a load in a circuit
bulb, buzzer, motor, any other appliance
500
Which of the following appliance has the most energy transformations?
A. Fan
B. Microwave
C. Bulb
Microwave
electrical to light, kinetic, sound, heat
500
Kim set up an electrical circuit with 2 batteries, wires, 2 bulbs and a make-shift switch using a match stick. However, the bulb did not light. What is the problem with the circuit?
the match stick is an insulator
500
David measured an object weighing 13g. How much Newtons is this?
0.13N