WorksheetsElectricity
Total questions: 30
Worksheet time: 25mins
Name
Class
Date
1.
A circuit made of wires, a lamp, a switch, and a cell is shown at the right. What change is needed for the lamp to glow?
a)
The switch needs to be opened.
b)
The switch needs to be closed.
c)
The cell needs an insulator.
d)
The wire needs to be connected to the bottom of the cell.
2.
Which statement best explains why the lamp does not glow?
a)
Circuit 1 is an open circuit.
b)
Circuit 1 is a closed circuit.
c)
The negative terminal of Circuit 1 is connected to the cell.
d)
The positive terminal of Circuit 1 is connected to the cell.
3.
Which property of wood makes it a good material for the handle on a cooking tool?
a)
Wood is a natural material.
b)
Wood is unaffected by metal.
c)
Wood conducts heat well.
d)
Wood does not conduct electricity well.
4.
Which material is the best conductor of heat?
a)
aluminum
b)
glass
c)
wood
d)
plastic
5.
A particle that carries a negative electric charge is called a(n) ______.
a)
neutron
b)
atom
c)
proton
d)
electron
6.
A circuit that is connected to Earth is said to be _____.
a)
series
b)
parallel
c)
grounded
d)
discharged
7.
Electricity that flows in a closed path is called a
a)
path
b)
current
c)
circuit
8.
The flow of electricity in a circuit-
a)
current
b)
flow
c)
circuit
9.
Magnetism created by an electric current
a)
electricity
b)
electromagnetism
c)
wind energy
10.
____________ allows electricity to flow.
a)
A conductor
b)
An insulator
c)
A magnet
11.
____________ stops the flow of electricity.
a)
A conductor
b)
An insulator
c)
A magnet
12.
To complete a circuit the switch must be
a)
unattached
b)
open
c)
closed
13.
When the switch is closed, the light
a)
comes on
b)
stays off
c)
burns out
14.
Two batteries in a circuit make the lights in the circuit brighter than one battery.
a)
true
b)
false
15.
If the lights are on, the circuit is
a)
closed
b)
open
16.
If the lights are off, the circuit is
a)
closed
b)
open
17.
An example of a parallel circuit is
a)
the wiring in a house
b)
a flashlight
c)
a single circular path
18.
Copper is used in wiring because it is an excellent______________ of electricity.
a)
circuit breaker
b)
conductor
c)
insulator
d)
fuse
19.
The only charges that can move from one object to another are___________ charges.
a)
electric
b)
neutral
c)
positive
d)
negative
20.
I am the crackle you hear when you touch a doorknob after rubbing your feet across a carpet.
a)
electric circuit
b)
electric discharge
c)
fuse
d)
conductor
21.
If you take one light bulb out of a parallel circuit, all the lights will go out.
a)
true
b)
false
22.
Rubber is a good insulator.
a)
true
b)
false
23.
In an incomplete circuit, the light bulb would be lit.
a)
true
b)
false
24.
Protons have a negative charge and electrons have a positive charge.
a)
true
b)
false
25.
The buildup of electric charges on an object is called static electricity.
a)
true
b)
false
26.
Lightning is an example of static electricity.
a)
true
b)
false
27.
In a _______________ circuit there is only one path for electricity to flow.
a)
series
b)
parallel
28.
In a _______________ circuit there are many paths for electricity to flow.
a)
series
b)
parallel
29.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
30.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
100 %
