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WorksheetsElectricity Review
Total questions: 31
Worksheet time: 32mins
Which material is the best conductor of electricity?
rubber
plastic
metal
grass
What form of energy causes the blades of the fan to turn?
chemical
electrical
heat
light
Which object is the best conductor of electricity?
wooden stick
plastic straw
metal nail
glass bead
Which property of an object determines how well it conducts electricity?
the object's color
the object's mass
how fast the object sinks
the material the object is made of
In order to toast a slice of bread, a toaster turns electrical energy into what other energy?
magnetic energy
chemical energy
mechanical energy
heat energy
Which statement shows how energy can be helpful?
LIghtning strikes a building
A fire burns down a house
Electricity heats an oven
The wind blows down a sign
Which items would be most useful at home during a power failure?
flashlights and extra batteries
hats and sunscreen
raincoats and umbrellas
insect sprays and jackets
When a light bulb is lit, electrical energy is turned into light energy and
chemical energy
magnetic energy
heat energy
mechanical energy
What is the purpose of copper wire in an electrical circuit?
to conduct electricity
to store electricity
to provide heat
to stop the flow of electricity
Which material is the best conductor of electricity?
metal
glass
wood
plastic
What kind of circuit is NOT broken?
open circuit
closed circuit
conductor
insulator
Materials that allow electrical energy to flow through them easily are called...
magnets
insulators
conductors
plastics
Which is the best conductor of electricity?
a wax crayon
a plastic spoon
a rubber erasoer
an iron nail
What kind of energy does a roller coaster have when it is going down a hill?
potential energy
kinetic energy
heat energy
chemical energy
Which material is an insulator?
copper
iron
rubber
steel
Which terminal would you NOT find on a battery?
positive terminal
negative terminal
neutral terminal
Energy of motion is also known as...
Potential Energy
Kinetic Energy
Light Energy
Sound Energy
What is another name for stored energy?
Electrical Energy
Solar Energy
Kinetic Energy
Potential Energy
Why would a pan have a handle made out of rubber?
To act as a conductor
To act as an insulator
To act as a battery
To act as a power source
You turn on a flashlight and it does not work. What might the problem be?
no batteries
broken bulb
the batteries are put in wrong
all of the above
In order to light the bulb, another wire should be connected between
1 and 2
1 and 4
2 and 3
2 and 4
Which object when placed at the X would complete the circuit and light the bulb?
magnet
battery
metal nail
second light bulb
Why would this bulb be lit?
The battery is out of energy.
The bulb is out of energy.
The circuit is open.
The circuit is closed.
Why would using a metal clip to connect the wires at B light the bulb?
The metal clip would act as an insulator and circuit would be closed.
The metal clip would act as a conductor and the circuit would be closed.
The metal clip would act as an insulator and the circuit would be open.
The metal clip would act as an insulator and circuit would be closed.
Chemical energy from a battery is changed to electrical energy, then into what type of energy?
chemical energy and magnetic energy
magnetic energy and light energy
heat energy and light energy
chemical energy and heat energy
The bell does NOT make a sound. What needs to be done to the circuit so the bell will sound?
Put an insulator between wires A and B
Disconnect wires A and B
Connect wires A and B
Connect wires C and A
Identify the type of energy that is directly causing the water to boil.
light energy
solar energy
sound energy
heat energy
The handle on the pot is not made out of metal. What material could it be made out of so that it could be safe to touch?
metal
steel
copper
rubber
The diagram shows objects that use the same type of energy. What is the main form of energy used by all three objects?
solar energy
sound energy
light energy
electrical energy
Which statement best describes how energy can be harmful?
A fire burns down a house
Electricity heats an oven.
A lamp lights a house.
An alarm clock wakes up a sleeping person.
Which object placed at X will complete the circuit?
a metal paper clip
a plastic bottle
a rubber band
a wooden stick
