WorksheetsElectricity and Circuits
Total questions: 38
Worksheet time: 20mins
What energy changes take place to make a fan spin?
Electrical energy changes to heat energy.
Electrical energy changes to mechanical energy.
Wind energy changes to electrical energy.
Heat energy changes to mechanical energy.
When you turn the switch on for a fan blade, which of the following happen?
from electrical to chemical
from electrical to mechanical
from mechanical to potential
from kinetic to potential
What types of energy are made when a there is a light bulb in a complete circuit?
thermal and light
magnetism and sound
sound and thermal
light and magnetism
_________ is what you get when you burn fuel and do work.
energy
matter
potential energy
battery
The energy of charged particles.
Electrical Energy
Sound Energy
Thermal Energy
Mechanical Energy
_____________ supplies the energy in an electric circuit.
wires
light bulb
battery
running
Energy that travels in waves, and we can see it.
Sound Energy
Light Energy
Thermal Energy
Electrical Energy
Energy that is in motion or stored in objects to create movement.
Light Energy
Mechanical Energy
Thermal Energy
Sound Energy
Does a race-car traveling at maximum speed have potential or kinetic energy?
potential
kinetic
Does a running refrigerator motor have kinetic or potential energy?
kinetic
potential
If you burn your hand on the handle of a hot pot, heat was transferred to your skin by
conduction
convection
radiation
equilibrium
Which material could fill in the gap for a circuit to create a complete circuit?
metal spoon
rubber ball
plastic spoon
construction paper
The flow of electrons through a circuit.
insulator
closed circuit
electrical current
open circuit
What type of circuit will allow one light bulb to be off while another light bulb is on?
series
open
electric
parallel
what type of circuit is shown in the picture below?
magnetic
double
parallel
series
What component is used to close or break a circuit?
bulb
wire
electric cell
switch
What type of material allows current to easily pass?
magnets
inductors
conductors
insulators
A simple electric circuit is made up of ____________.
battery and wire
battery, bulb and wire
battery, switch and wire
battery, paper clip and wire
What needs to be done to this circuit so that the lamp lights up?
Close the switch
Add a source and close the switch
Add another lamp
Add another lamp and a switch
A material that does NOT let electricity pass through it is called ...
An electrical conductor
An electrical insulator
An electrical source
An electric appliance
When the switch is ___________, the lamp lights up.
open
closed
Is the circuit in the picture opened or closed?
opened
closed
neither
A student builds a circuit made up of a battery, two light bulbs, and a switch. What will the student most likely observe in this circuit?
Light bulb 1 and light bulb 2 will both be on
Light bulb 1 will be off, but light bulb 2 will be on
Light bulb 1 and light bulb 2 will both be off
Light bulb 1 will be on, but light bulb 2 will be off
This circuit has five LED lights. It also has one battery and one switch. Which LEDs produce light when the switch is in the position shown?
LEDs 1, 3, and 4 only
LEDs 1, 2, 3, and 4
LEDs 3 and 4 only
LEDs 1, 3, 4, and 5
Why is electrical wiring usually made from copper?
Because copper is shiny
Because copper conducts electricity
Because copper is not magnetic
Because copper insulates electricity
Some students built this circuit, but the bulb does not glow? Why doesn't the bulb glow?
The battery is not charged.
The bulb is not part of a complete circuit.
The circuit does not have a switch.
The bell uses most of the energy from the battery.
A path in which electrical charges can flow.
circuit
conductor
electric current
static electricity
A ___ circuit has a break in the path of electricity
open
closed
insulator
conductor
A circuit that makes a complete loop
closed
open
insulator
conductor
A type of circuit which has only one path for electric charges to flow
series
parallel
electric
current
Which is an insulator of electricity?
wood
copper
steel
gold
Why is electrical wire almost always covered with a plastic coating?
To prevent users from getting electrical shocks.
To show the different colors of the wires.
To help the electricity to conduct easily.
What is the one thing every electrical circuit needs?
a battery or source of electricity
a light bulb
a switch
a motor
"Flipping" a light switch turns the lights on and off. What exactly does the switch do?
it opens or closes the circuit
it produces electricity
it transforms electricity to light energy
When the switch is closed, all bulbs light up. If light bulbs B and C are removed, what will happen to bulbs A and D?
A and D will stay on
A and D will go out
A goes out, D stays on
A stays on, D goes out
