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WorksheetsLesson 4: How is Energy Transferred by Electric Currents?
Total questions: 15
Worksheet time: 13mins
A device that uses an electric current to produce motion.
switch
solar cell
motor
power line
The interactions between moving electric charges.
electricity
electric currents
power surges
sparks
A flow of electric charge. This carries energy to machines.
motor
electricity
solar cell
electric current
A tool made of thin layers of different materials that transfers energy carried by light to an electric current.
motor
solar cell
turbine
insulation
What provides energy that a solar cell uses to produce an electric current?
coal
electricity
water
sun
A motor uses what two things, besides an electric current, to spin?
A magnet and a coil of metal.
A magnet and a battery.
A magnet and an outlet.
A coil of metal and a battery.
Materials such as copper or aluminum that allow heat and electricity to pass through them.
wires
insulators
power lines
conductors
Materials that do not allow heat and electricity to pass through them. Some examples are wood, paper, and rubber.
wires
insulators
power lines
conductors
Electric currents can be used to make:
motion
sound
light
heat
all of these
Energy can be transferred from place to place by:
wires
batteries
an electric current
through power lines
Does a battery produce an electric current?
yes
no
A battery can be recharged and used again.
True
False
In an incandescent light bulb, there is a filament. What is a filament?
A plastic wire.
A battery.
A very thin metal coiled, wire.
Draw a picture of an incandescent light bulb. Be sure to label the filament inside of the bulb.
Describe in complete sentences, how energy is being transferred by an electric current in this picture.
