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electricity discoveries + Electricity Basics (DONE)

Total questions: 66

Worksheet time: 50mins

Name
Class
Date
1.

Laws of Electrical Resistance was dicovered by_______________

a)

Faraday

b)

Sir Frank Whittle

c)

Ohm

d)

Gregory Mandel

2.

Microphone was invented by___________

a)

Elisha Gray

b)

Alexander Graham Bell

c)

Charles Lyell

d)

John von Neumann

3.

Atom was discovered by _______

a)

Dalton

b)

Pascal

c)

Rutherford

d)

Neils Bohr

4.

Electricity was invented by _________

a)

Thomson

b)

Turing

c)

Faraday

d)

Alessandro Volta

5.

Movie Projector was invented by _________

a)

Dalton

b)

Ernst Mayr

c)

Thomas Alva Edison

d)

Andre-Marie Ampere

6.

Camera was invented by ______

a)

George Eastman

b)

Edward Teller

c)

Benjamin Franklin

d)

Karl Landsteiner

7.

Electric Motor (AC) was discovered by ________

a)

Heitz

b)

Gauss

c)

Maxwell

d)

Nikola Tesla

8.

Joule is the unit of__________

a)

Temperature

b)

Pressure

c)

Heat

d)

Energy

9.

Electric current is measure by__________

a)

Voltmeter

b)

Commutator

c)

Anemometer

d)

Ampere

10.
A particle that carries a negative electric charge is called a(n) ______.
a)
neutron
b)
atom
c)
proton
d)
electron
11.
When you charge an electroscope by touching it with a charged balloon, the process is called _____.
a)
friction
b)
conduction
c)
induction
d)
grounding
12.
The potential difference that causes charges to move in a circuit is ___.
a)
voltage
b)
resistance
c)
current
d)
electric discharge
13.
An example of a voltage source is a _____.
a)
voltmeter
b)
battery
c)
resistance
d)
switch
14.
A circuit that is connected to Earth is said to be _____.
a)
series
b)
parallel
c)
grounded
d)
discharged
15.
Your hair might be attracted to your comb as your hair and the combe become oppositely charged.
a)
true
b)
false
16.
A neutral object becomes negatively charged when it loses electrons.
a)
true
b)
false
17.
Conduction is the process of charging an object without touching it.
a)
true
b)
false
18.
Electrical resistance is low in a good conductor.
a)
true
b)
false
19.
A circuit breaker contains a thin strip of metal that melts if too much current passes through it.
a)
true
b)
false
20.
Which best describes a parallel circuit?
a)
Electricity flows along one pathway.
b)
The flow of electricity comes from one source. 
c)
Electricity flows along more than one pathway. 
d)
The flow of electricity comes from more than one source. 
21.
Which best describes a series circuit? 
a)
It has two light bulbs. 
b)
The same current flows through both light bulbs. 
c)
It uses a single battery.
d)
The current is divided between the light bulbs. 
22.
What is one problem with using a series circuit? 
a)
It has a lot of series. 
b)
If one goes down, they all go down! 
c)
It doesn't work properly.
d)
There are no problems. 
23.
What is one benefits of using a parallel circuit?  
a)
It gets confusing.
b)
There are no problems.
c)
If one goes down, it does not affect the others. 
d)
Porque es para llelio. 
24.
wood is a _____?
a)
conductor
b)
insulator
25.
brass is a _____?
a)
insulator
b)
conductor
26.
Is a house in a good idea for a parallel circuit
a)
Yes 
b)
No
27.
In an electrical circuit, electrons move from the __________.
a)
Negative pole to negative pole
b)
Negative pole to positive pole
c)
Positive pole to positive pole
28.
What will happen if one light bulb is removed from this circuit?
a)
the other bulbs will go out
b)
the other bulbs will get dimmer
c)
the other bulbs will get brighter
d)
the battery will become stronger
29.
Electricity that flows in a closed path is called a
a)
path
b)
current
c)
circuit
30.
Two batteries in a circuit make the lights in the circuit brighter than one battery.
a)
true
b)
false
31.
In a parallel circuit the current
a)
makes one circle
b)
stays in one path
c)
splits and goes through two components
32.
The flow of electricity requires a
a)
complete path
b)
incomplete path
c)
insulated current
33.
When socks get stuck to towels in your dryer, this is an example of________________
a)
current electricity
b)
static electricity
34.
What is the major difference between static electricity and current electricity?
a)
Current electricity involves a continuous flow of neutrons; static electricity is a sudden transfer of protons
b)
Current electricity can be deadly; static electricity is almost always safe
c)
In current electricity, there's a single transfer of electrons; in static electricity, there's a steady flow of electrons
d)
Current electricity involves a flow of electrons; static electricity involves a single transfer of electrons
35.
True or False, Lighting is a form of static electricity.
a)
True
b)
False
36.

Static means ____________.

a)

moving

b)

not moving

37.
This circuit has more than one loop. When one light goes out, the others stay on. 
a)
closed circuit
b)
series circuit
c)
parallel circuit
d)
open circuit
38.
The flow of electricity in a circuit-
a)
current
b)
flow
c)
circuit
39.
Magnetism created by an electric current
a)
electricity
b)
electromagnetism
c)
wind energy
40.
Two batteries in a circuit make the lights in the circuit brighter than one battery.
a)
true
b)
false
41.

Mr Gardner rubbed two balloons with a piece of wool. What will happen when the balloons are brought near each other?

a)

The balloons will repel each other.

b)

The balloons will attract each other.

c)

The balloons will become positively (+) charged.

d)

The balloons will pop.

42.
When socks get stuck to towels in your dryer, this is an example of________________
a)
current electricity
b)
static electricity
43.
Electric charges that are different _______ each other.
a)
Attract
b)
Repel
44.
What charge does a proton have?
a)
negative (-)
b)
positive (+)
c)
neutral or no charge (0)
45.
What charge does an electron have?
a)
negative (-)
b)
positive (+)
c)
neutral or no charge (0)
46.
If a substance has a higher number of electrons than protons on its surface, what type of charge does it have?
a)
A positive charge.
b)
A negative charge.
c)
A neutral charge
d)
No charge at all
47.
How do electrons differ from protons?
a)
They are the same thing
b)
Electrons hold a negative charge and protons hold a positive charge.
c)
Electrons are positively charged and protons are negatively charged.
d)
Protons are neutral 
48.
Which of the following is caused by static electricity?
a)
a stove getting hot when it is turned on
b)
a magnet being attracted to a refrigerator
c)
a lightning strike during a storm
d)
a light bulb coming on when a switch is turned on
49.
True or False, Lighting is a form of static electricity.
a)
True
b)
False
50.
Why can you get a shock if you touch a metal doorknob after walking across a wool carpet?
a)
You have gained electrons; the doorknob has no electrons.
b)
You have gained neutrons; the doorknob has fewer electrons.
c)
You have lost electrons; the doorknob has many electrons.
d)
You have gained electrons; the doorknob has many electrons.
51.
An object becomes negatively charged by
a)
losing protons
b)
gaining electrons
c)
losing electrons
d)
gaining protons
52.
An object becomes positively charged by
a)
losing protons
b)
gaining electrons
c)
losing electrons
d)
gaining protons
53.
If you rub a glass rod with a piece of silk, the rod becomes positively charged. This means that
a)
friction destroyed electrons in the rod.
b)
the silk has become negatively charged.
c)
protons have moved to the rod.
d)
glass attracts more protons.
54.
Charging by Friction results in two objects with the same charge.
a)
True
b)
False
55.
An example of a parallel circuit is
a)
the wiring in a house
b)
a flashlight
c)
a single circular path
56.
The flow of electricity requires a
a)
complete path
b)
incomplete path
c)
insulated current
57.

Which of these is caused by static electricity?

a)

A magnet attracts a paper clip

b)

Glue holds two pieces of paper together

c)

Socks taken from a clothes dryer stick together

d)

Ice sticks to a car’s windshield

58.

Which choice describes the behavior of an electric charge?

a)

Like charges attract. Unlike charges repel.

b)

Like charges repel. Unlike charges attract.

c)

Like charges attract. Unlike charges attract.

d)

Like charges repel. Unlike charges repel.

59.

An example of an insulator is:

a)

Silver

b)

Glass

c)

Copper

d)

Glass

60.

An example of a conductor is:

a)

Steel

b)

Wool

c)

Plastic

d)

Fabric

61.

The shock you sometimes feel when you touch a metal doorknob on a dry day is electric ________.

a)

Circuit

b)

Current

c)

Discharge

d)

Resistance

62.

An electric circuit contains a battery, a switch, and a bulb. Which of the following will MOST LIKELY happen if you add another battery to the circuit?

a)

The bulb will not shine

b)

The bulb will shine brighter than it did with one battery

c)

The bulb will shine the same

d)

The bulb will shine half as bright as it did with one battery

63.

A thin strip of metal foil has a negative electric charge. You bring a balloon that also has a negative charge near the foil. What will MOST LIKELY happen?

a)

The foil will bend toward the balloon

b)

The foil will bend away from the balloon

c)

The balloon will cause the foil to have a positive charge

d)

The foil will cause the balloon to have a positive charge

64.

The flow of electric charge in a circuit is called _______.

a)

Heat

b)

Sound

c)

Electric Current

d)

Magnetic

65.

Mahra finds that all of the electric cords in her school are covered with plastic. Why is it important to cover the electric cords with plastic?

a)

Plastic is an insulator.

b)

Plastic is a conductor.

c)

Plastic is strong.

d)

Plastic will melt.

66.
Why are metals useful for making electrical wire?
a)
Metals do not bend.
b)
Metals hold much heat.
c)
Metals are insulators.
d)
Metals are conductors.

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