WorksheetsWhat is electrical energy?
Total questions: 41
Worksheet time: 42mins
When you rub your hair with a balloon,
The balloon will blow.
Your hair and the balloon will have the same charges.
Your hair and the balloon will repel.
The balloon will attract your hair.
Some examples of insulators are
silver, iron, copper
rubber, glass, wood
metal spoon, wooden spoon, aluminum
Cotton, plastic, copper
A material that lets electric current pass through it. is
an insulator
a conductor
a circuit
This circuit is
Closed
Open
Electric current flows in
A closed circuit
An open circuit
A circuit with a break
The source of energy for this circuit is:
The battery
Electric socket
Wires
Magic
The movement of electric charges from one place to another is:
An electric circuit
A switch
An elecrtic current
Which will light a bulb?
A battery and a wire
A switch and a wire
A paper clip and a wire
A battery and a paper clip
The path that an electric current flows through is:
A switch
Electric current
Electric circuit
A battery
If the lights are on, the circuit is
Closed
Open
Choose the correct sentence
This circuit will work because it is an open circuit.
This circuit will work because it is a closed circuit.
This circuit will NOT work because it is an open circuit.
This circuit will NOT work because it is a closed circuit.
You can create a break in a circuit by:
disconnecting a wire from the battery
disconnecting a light bub from a battery
Lifting the lever on the switch
All answers are correct
What makes up an electric circuit?
Bulb and battery
Bulb, battery and switch
Bulb, battery and wire
When a circuit is open, the lamp is _________?
on
off
The movement of electric charge in a circuit is called _______.
Heat
Sound
Electric Current
Magnetic
A battery is a source of _______ and is important in an electric circuit.
sound
light
energy
heat
A battery has 2 ends called __________ and ___________ end.
positive, negative
open, close
north, south
up, down
What would best complete this circuit?
A wire
A switch
A battery
A light bulb
A material that does not allow electricity to flow through the circuit is known as a _____
conductor
insulator
source
switch
A material that allows electricity to flow through the circuit without disruption is ______
conductor
insulator
switch
source
An example of a conductor of electricity is
rubber
plastic
glass
copper
An example of an insulator of electricity is
rubber
copper
silver
iron
Why is electrical wiring usually made from copper?
Because copper is shiny
Because copper conducts electricity
Because copper is not magnetic
Because copper insulate electricity
Which is a conductor?
copper
rubber band
ceramic plate
paper bag
Particles with the _________ charge are attracted to each other.
same
opposite
Which of the following is a good conductor?
gold
wood
ceramic
plastic
Will the lightbulb light up in the circuit above?
A. No, the circuit in not closed.
B. Yes, the penny is a good insulator.
C. Yes, the penny is a good conductor.
D. No, the penny blocks the flow of electricity.
When the object has positve and negative charges are equals so this object will be
positive charge
negative charge
no overall charge
When the object has the negative charges more than the positve charges so it will be...................
positive charge
negative chage
No overall charge
When 2 same particles become beside each other, they will.....................
attracted
push away
not moved
when the electric charge move from one place to another it will be................
positive charge
negative charge
electric current
battary
Example for controlled electric current .......................
lightning
electric circuit
Example for uncontrolled electric current is....................
lightning
Electric circuit
circuit with no path or break is .........................
closed circuit
open circuit
Circuit with a broken path is ...........................
closed circuit
open circuit
