WorksheetsElectricity Review Cassidy
Total questions: 28
Worksheet time: 20mins
A pathway taken by an electric current is a ________________
circuit
static electricity
conductor
insulator
The flow of energy as a current is called ________________.
electricity
heat
light
sound
Materials that allow electricity to easily flow through them are _______________________.
circuits
conductors
inhibitors
insulators
Materials that do not allow electricity to flow easily through them are _____________________.
circuits
conductors
inhibitors
insulators
Which of these is NOT a conductor?
copper wire
metal coin
rubber band
sea water
True or False: An electrical current WILL flow through an open circuit.
true
false
A __________________ circuit allows electricity to flow within the circuit.
closed
open
short
long
The transfer of negatively charged particles between materials is called _______________________.
mechanical energy
radiant energy
static electricity
thermal energy
When using a fan, electrical energy is transformed into _____________________ energy.
mechanical
radiant
thermal
When using a toaster, electrical energy is transformed into _______________________ energy.
mechanical
radiant
thermal
When using a lamp, electrical energy is transformed into _________________ energy.
mechanical
radiant
thermal
Static electricity occurs because there is a build up of
protons
neutrons
electrons
A continuous flow of negative charges (electrons)
insulator
electric current
static electricity
conoductor
Which of the following objects are conductors? (Choose 3)
Electrons have a ______ charge.
Positive
Negative
Neutral
When you get shocked by touching a doorknob, that's an example of ___________________.
current electricity
static electricity
Turning on a light in your house is an example of
static electricity
current electricity
Current electricity is when_________________
electrons jump from one thing to another
magic happens
electrons flow through a circuit
Static electricity is when_________________
electrons jump from one thing to another
magic happens
electrons flow through a wire
A balance of power
A balance of positive and negative charges
An imbalance of positive and negative charges
An imbalance of protons and neutrons
When a lamp is plugged in and turned on —
. electrical energy flows through the lamp, and the lamp gives off light energy, only.
mechanical energy flows through the lamp, and the lamp gives off light and sound energy.
mechanical energy flows through the lamp, and the lamp gives off electrical energy, only.
electrical energy flows through the lamp, and the lamp gives off light and thermal energy.
Is a metal cookie sheet a conductor or an insulator?
Conductor
Insulator
It is a kind of magnet that works only when there is a flow of electricity.
Electromagnet
Bar Magnet
Horse Shoe Magnet
Magnetite
Which can increase the strength of an electromagnet?
increasing the number of coils around the nail
increasing the number of batteries
making the core bigger
all of the above
