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Static electricity

Total questions: 71

Worksheet time: 48mins

Name
Class
Date
1.

Which is an example of a non-contact force?

a)

Push

b)

Pull

c)

Magnetism

d)

Friction

2.
The buildup of charges on an object is called:
a)
positive charge
b)
static charge
c)
negative charge
d)
static discharge
3.

Which type of particle moves from one object to another to cause static electricity?  

a)
Proton
b)
Electron
c)
Neutron
4.

A force that pushes objects away from each other

a)

electrical charge

b)

attraction

c)

force

d)

repulsion

5.
a)

Attract

b)

Repel

6.
a)

Attract

b)

Repel

7.
What types of charges attract?
a)
Positive and Positive
b)
Positive and Neutral
c)
Negative and Neutral
d)
Positive and Negative
8.

Teacher Tass 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.
9.
What charge does an electron have?
a)
negative (-)
b)
positive (+)
c)
neutral or no charge (0)
10.
True or False, Lighting is a form of static electricity.
a)
True
b)
False
11.

When a balloon is charged by rubbing it with a cloth:

a)

It can repel small pieces of paper

b)

It can attract small pieces of paper

c)

It does nothing when brought near small pieces of paper

12.

A PC monitor is usually covered in dust because:

a)

The room needs cleaning

b)

The dust is attracted by magnets in the monitor

c)

The dust is attracted by static charges on the monitor

13.

During a storm the base of a cloud becomes negatively charged. Lighting occurs soon after because:

a)

The positively charged particles in the cloud attract to the positive charge of the ground.

b)

The negatively charged particles in the cloud attract to the positive charge of the ground.

c)

The negatively charged particles in the cloud attract to the negative charge of the ground.

14.

When a piece of metal becomes positively charged it has: (a)  

Choose from the below words
Gained protons
Gained electrons
Lost electrons
15.

When a piece of metal becomes negatively charged it has:

a)

Gained electrons

b)

Gained protons

c)

Lost protons

16.

When two balloons with the same charge are brought near each other they:

a)

repel

b)

attract

c)

do nothing

17.

If two objects attract each other, which is NOT a possible explanation?

a)

One must be negatively charged while the other is positively charged

b)

One must be charged while the other is uncharged

c)

They must have the same charge

18.

When you walk across a nylon carpet, you become positively charged. When you then touch a metal handle you receive a shock because:

a)

Electrons jump from you to the handle

b)

Protons jump from you to the handle

c)

Electrons jump from the handle to you

19.

The method of charging happens when you rub a balloon on your hair is:

a)

Static Friction

b)

Rolling friction

c)

Sliding Friction

20.

Two balloons are hanging from a stick.

Both balloons have a positive charge.

How would you expect the balloons to move?

a)

there would be no movement

b)

towards each other

c)

away from each other

21.

Two balloons are hanging from a stick.

One balloon has a positive charge and the other has a negative charge.

How would you expect the balloons to move?

a)

there would be no movement

b)

towards each other

c)

away from each other

22.

The ball on the string is being repelled (pushed away) by the metal bar.

What must be the charge on the ball?

a)

postivie

b)

neutral

c)

negative

23.

Read the following statements about electric force. Which statement is NOT CORRECT?

a)

The smaller the distance between 2 charged particles, the stronger the electric force.

b)

The higher the charges involved, the stronger the electric force.

c)

The greater the distance between 2 charged particles, the weaker the electric force.

d)

The smaller the distance between 2 charged particles, the weaker the electric force.

24.

Look at the set of objects to the right. We could

increase the electric force between Object A and

Object B by each of the following EXCEPT:

a)

Pushing them farther apart.

b)

Increasing the difference between their charges.

c)

Moving them closer together.

d)

Adding lots of negative charges to Object A.

25.

Electrons have a _________________ charge.

a)

neutral

b)

positive

c)

negative

26.

Protons have a ________________ charge.

a)

neutral

b)

positive

c)

negative

27.

Which of the following is true?

a)

Electric charge is transferred only when all objects have balanced charges.

b)

Electric charge is transferred when electrons move.

c)

Electric charge is transferred when protons move.

d)

Electric charge is transferred when protons and neutrons change places.

28.

The build up of electric charges on the surface of objects is known as

a)

electricity

b)

static electricity

c)

a circult

d)

electric force

29.

An area over which an electric charge is exerted is called an

a)

conductor

b)

insulator

c)

circuit

d)

electric filed

30.

The comb has been rubbed with a piece of wool fabric and placed next to some scraps of paper.

Some paper moves toward the comb. The movement of the paper is caused by

a)

static electricity

b)

mechanical energy

c)

chemical energy

d)

magnetic attraction

31.

The picture shows a comb that was used on a cold, dry day. Which of the following is the best

explanation of why some of the paper bits were attracted to the combs while others were not.

a)

Protons moved more easily in the paper that was attracted to the comb.

b)

Electric force gets weaker the farther away objects are from each other.

c)

Some paper had iron in it and some didn’t.

d)

Magnetic force gets weaker the farther away objects are from each other.

32.
What is static electricity?
a)
electricity produced by like electric charges attracting
b)
electricity used for powering radios and televisions
c)
a buildup of balanced electric charges
d)
a buildup of excess electric charge
33.
Which subatomic particle has a POSITIVE charge?
a)
Proton
b)
Neutron
c)
Electron
d)
Nucleus
34.
Which subatomic particle has a NEGATIVE charge?
a)
Proton
b)
Neutron
c)
Electron
d)
Nucleus
35.
If an atom has more electrons than protons, what type of charge does it have? 
a)
Negative charge. 
b)
Positive Charge. 
c)
No charge. 
36.
If an atom has more protons than electrons, what type of charge does it have? 
a)
Negative charge. 
b)
Positive Charge. 
c)
No charge. 
37.
What type of charge does an atom have if it has the SAME number of protons and electrons? 
a)
Negative charge. 
b)
Positive charge.  
c)
Neutral charge. 
38.
An object becomes postiively charged when which of the following occurs?
a)
loses electrons
b)
gains electrons
c)
loses protons
d)
gains neutrons
39.
True or False: Two of the SAME charges repel (or move away from) each other. 
a)
True
b)
False
40.
True or False: Two opposite charges attract each other. 
a)
True
b)
False
41.
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.
42.
When you pull a cotton sweater off your skin, electrons are transferred from the ___________________ (cotton, skin) to the __________________ (cotton, skin). As a result, your body acquires a ___________ (+ , -) charge and the cotton sweater acquires a ___________ (+ , -) charge.
a)
skin, cotton, +, -
b)
cotton, skin, +, -
c)
skin , cotton, -, +
d)
cotton, skin, -, +
43.
Electric field lines are drawn
a)
In a radial direction, from negative to positive.
b)
In a radial direction, from positive to negative.
c)
In a tangent direction, from positive to negative.
d)
In a tangent direction, from negative to positive.
44.
Which diagram shows a positive charge, left or right?
a)
Left
b)
Right
45.
Which diagram shows the strongest electric field?
a)
A
b)
B
c)
C
46.

Materials that allow electrical charges to flow easily through them are called (a)   .

47.

Select the materials that are electrical insulators.

a)

Plastic

b)

Metals

c)

Glass

d)

Rubber

48.

Static charges usually form on conductors.

a)

True

b)

False

49.

When two insulators are rubbed together (a)   causes electrons to transfer from one material to the other.

50.

Materials gain a positive charge by gaining protons.

a)

True

b)

False

51.

When a material loses electrons, it gains a (a)   charge.

52.

Two positively charged objects will...

a)

attract

b)

repel

c)

do nothing

53.

A positively-charged and a negatively-charged object will...

a)

attract

b)

repel

c)

do nothing

54.

Electrostatic fields flow into negative charges.

a)

True

b)

False

55.

An electrostatic field is gets ______ as you move away from the charge.

a)

stronger

b)

weaker

c)

neither stronger not weaker

56.
In a neutral atom, the number of electrons is equal to the number of _______.
a)
Neutrons
b)
Orbits
c)
Protons
d)
subatomic particles
57.
If two charges repel each other, the two charges must be
a)
Positive and neutra
b)
Positive and negative
c)
positive and neutral
d)
negative and negative
58.
An object becomes charged when the atoms in the object gain or lose
a)
electrons
b)
protons
c)
neutrons
d)
all of the above
59.
If an object has the same number of positive and negative charges, its electrical charge is...
a)
positive
b)
negative
c)
neutral or no charge
d)
opposite
60.
What charge does a proton have?
a)
negative (-)
b)
positive (+)
c)
neutral or no charge (0)
61.
Static electricity is 
a)
The balance of electrical charge on an object
b)
The imbalance of electrical charge on an object
c)
The discharge of electrical charge
d)
The build up of protons in the nucleus of an atom 
62.
True or False
A negatively charged object has lost protons
a)
True
b)
False
63.
Which one of these objects is a good insulator
a)
Copper wire
b)
Glass
c)
Aluminum 
d)
Gold
64.
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
65.
Two objects with LIKE static charges will
a)
attract each other
b)
even out in the end
c)
repel each other
d)
cause a spark
66.
Which is an example of static dischage?
a)
a motor
b)
lightning
c)
thunder
d)
insulators
67.
Rubbing a balloon on hair is an example of static charge build up created by....
a)
conduction
b)
friction
c)
induction
d)
hairduction
68.

If the balloon has a negative charge, the hair must have what charge?

a)

negative

b)

positive

c)

neutral

69.

For an object to have a positive charge, it must ____.

a)

lose electrons

b)

gain electrons

c)

lose protons

d)

gain protons

70.

Select all that describe insulators.

a)

allow charges to flow easily

b)

do not allow charges to flow easily

c)

plastic

d)

metal

e)

surround a wire

71.

The image illustrate the concept of

a)

Friction

b)

Indaction

c)

Induction

d)

Static shock

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