WorksheetsCh. 7 Electricity Vocabulary
Total questions: 30
Worksheet time: 44mins
Name
Class
Date
1.
the smallest particle of an element
a)
electron
b)
proton
c)
atom
d)
neutron
2.
The accumulation of excess electric charge on an object.
a)
current
b)
conservation of charge
c)
lightning
d)
static electricity
3.
Charge can be transferred but not created or destroyed.
a)
conservation of energy
b)
conservation of matter
c)
conservation of charge
d)
conservation of mass
4.
A material in which electrons are able to move easily.
a)
conductor
b)
insulator
c)
charge
d)
resistance
5.
A material in which electrons are not able to move easily.
a)
conductor
b)
insulator
c)
resistance
d)
current
6.
The process of transferring charge by touching or rubbing.
a)
circuit
b)
charging by induction
c)
conduction
d)
charging by contact
7.
The rearrangement of electrons on a neutral object caused by a nearby charged object.
a)
circuit
b)
current
c)
charging by induction
d)
charging by contact
8.
A transfer of charge from a cloud to the ground because of a build up of charge in the cloud.
a)
thunder
b)
lightning
c)
static
d)
induction
9.
The amount of force exerted per unit of area.
a)
force
b)
pressure
c)
resistance
d)
voltage difference
10.
The net movement of electric charges in a single direction.
a)
circuit
b)
current
c)
charge
d)
conduction
11.
Measured in volts, it is related to the force that causes electric charges to flow.
a)
resistance
b)
current
c)
voltage difference
d)
static electricity
12.
A closed path that electric current follows.
a)
circuit
b)
current
c)
battery
d)
voltage difference
13.
The tendency for a material to oppose the flow of electrons, changing electrical energy into thermal energy and light.
a)
induction
b)
current
c)
resistance
d)
circuit
14.
The relationship between current, voltage difference and resistance in a circuit.
a)
Ohm's volts
b)
Ohm's Law
c)
Ohmama
d)
Ben Franklin's Law
15.
The ability to cause change measured by Joules.
a)
power
b)
charge
c)
energy
d)
force
16.
A circuit in which the current has only one loop to flow through.
a)
series circuit
b)
parallel circuit
17.
A circuit that contains two or more branches for current to move through.
a)
series circuit
b)
parallel circuit
18.
The rate at which electrical energy is converted to another form of energy.
a)
electricity
b)
current
c)
electrical power
d)
electrical work
19.
E ( kWh) = P (kW) * t (hrs)
a)
Electric Energy equation
b)
Electric Power equation
c)
Ohm's Law
20.
P (watts) = I (amps) * V (volts)
a)
Electric Energy equation
b)
Electric Power equation
c)
Ohm's Law
21.
I (amps) = V (volts) / R (ohms)
a)
Electrical Energy equation
b)
Electrical Power equation
c)
Ohm's Law equation
22.
The positive particles of an atom are
a)
electrons
b)
atoms
c)
neutrons
d)
protons
23.
Electrons have this type of charge...
a)
negative
b)
positive
c)
neutral
24.
In solid conductors, electric current is the flow of
a)
water
b)
electrons
c)
protons
d)
neutrons
25.
What is the unit of measurement for resistance?
a)
Amperes
b)
Ohm's
c)
Volts
26.
An example of an insulator is:
a)
iron
b)
silver
c)
copper wire
d)
rubber
27.
An example of a conductor is :
a)
a glass paperweight
b)
a plastic cap
c)
a metal screw
d)
a wooden handle
28.
Top Part of the clouds Develops ________ and bottom part of the clouds develops ___________ during Thunderstorm and Lightning.
a)
Negative charge , Negative charge
b)
Positive charge, Negative charge
c)
Positive charge, Positive charge
d)
Kebab, Biryani
29.
Lightning can occur Between :
a)
Cloud and Ground
b)
Two different Clouds
c)
top and bottom parts of a same cloud
d)
All the above
30.
staying in the closed car is safe during lightning and thunder storms because
a)
Electric charge stays on the outer surface of the car only
b)
Electric charge can travel inside the car and we can get a shock
c)
Car is made of non metal
d)
car is insulator
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