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WorksheetsElectricity
Total questions: 10
Worksheet time: 5mins
Electricity is a flow of ________________
atoms
photons
electrons
protons
One of the following circuits is not a series circuit
When the electric current flows in the toaster resistor_____
the electric energy slows down.
the electric energy transforms into thermal energy.
thermal energy is created from nothing.
all can fit.
Meera's lap top cable has burnt, her dad told her that there was a short circuit may be because some wires are frayed. the reasoning for the fires is___________________
the electric current flew fast so heat energy was produced
the electric current flew slowly, so light energy was produced.
the electric current stopped flowing so heat energy was produced.
none of them
the lightbulb in the circuit doesn't work because____________
the circuit is open.
the circuit is closed.
the electric current can flow through the conductor
the battery hasn't enough power.
Why the person who made circuit A connect the wires to the coins?
to supply extra power.
to test whether it is a conductor.
to prevent sparks
to stop the electric current.
the lightbulbs in your classroom are arranged in a _____
parallel circuit
series circuit
open circuit
short circuit
Salma designed an electric fan, she used fan, stand, screws, wires and battery. She wants her fan to move faster. how can she modify her model?
use extra wires.
use taller stand
use extra batteries.
use iron fan
An evidence that energy can't be destroyed is _____________
the chemical energy from the battery transforms into electrical energy.
the electrical energy transfers through conductors.
the electrical energy slows down and transforms to light energy in lightbulb resistor.
all can fit.
one of the following can be a resistor___________
pencil
rubber eraser
electromotor.
battery
