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WorksheetsSCIENCE CH 1 - Electricty
Total questions: 15
Worksheet time: 8mins
A(n) __________ has several paths through which electric charges can flow.
electric charge
static electricity
parallel circuit
resistance
__________ is a property that limits the flow of current through a conductor.
series circuit
electric current
resistance
electric charge
Electric charges building up in an area or
on an object is __________.
static electricity
electric current
parallel circuit
series circuit
In a(n) __________, electric charges can move in only one loop.
parallel circuit
series circuit
resistance
electric current
A(n) __________ is a property of some parts of
matter that is positive or negative.
electric charge
electric current
static electricity
resistance
__________ is electric charges in motion.
static electricity
electric current
resistance
parallel circuit
Five light bulbs are wired on one circuit. Three bulbs are lit, two are not. What type of circuit is this?
series
parallel
open
short
Which is the best material for insulating wires in a circuit?
hard rubber
lead
silver
tungsten
Which is the best conductor?
glass
lead
silicon
silver
When is the force between two charges the strongest?
when they are close together
when they are apart
when electrons move farther apart
when the charges flow
Why is electricity useful?
Static electricity can make a spark.
Insulators keep current in its path.
Electric energy can change form.
It makes balloons stick to a wall.
A good energy source for a simple electric circuit is
a light bulb
a copper wire
an extension cord
a battery
What is likely to happen soon?
Thunder stops all moving charges.
Lightning releases built-up charges.
Lightning builds up charges.
All charges gather in one cloud.
Which of the following is an atom made from?
light
particles
minerals
water
Which object at home stops and starts the flow of electricity to an appliance?
a fuse
a thermometer
a vavuum
a switch
