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Electrostatics

Total questions: 23

Worksheet time: 15mins

Name
Class
Date
1.

When an object gains electrons it becomes __________

a)

Neutral

b)

Positively charged

c)

Negatively charged

2.

Which statement is true of a positively charged object?

a)

Positively charged objects do not contain any electrons.

b)

Positively charged objects do not contain neutrons or electrons.

c)

There is a lack of electrons on a positively charged object.

d)

The protons and the electrons are both positively charged on such objects.

3.
What do you call the process of charging a conductor by bringing it near another charged object?
a)
induction
b)
polarization
c)
neutralization
d)
conduction
4.
Which of the following is not a good conductor of electricity?
a)
copper
b)
silver
c)
Glass
d)
aluminum
5.
Which of the following is not a good insulator?
a)
Copper
b)
Glass
c)
rubber
d)
wool
6.
The law of conservation of charge states that...
a)
all atoms have more protons than electrons
b)
only protons can be rubbed off of an atom
c)
charge cannot be created or destroyed
d)
charge cannot be transferred 
7.
If two balloons have the same charge, what will happen if you place them close to each other?
a)
Nothing
b)
They will be attracted
c)
They will pop
d)
They will push each other away.
8.
What is the name of the particle that is being transferred?
a)
Proton
b)
Neutron
c)
Electron
d)
Positron
9.
What is the name of this device that is used to detect charges?
a)
beaker
b)
electroscope
c)
van de graff generator
d)
chargometer
10.
The difference between attract and repel is that to attract is to pull something closer and repel is to push something away.
a)
True
b)
False
11.
What causes static electricity?
a)
only an object losing electrons
b)
only an object gaining electrons
c)
when positive and negative charges balance
d)
when positive and negative charges are not balanced
12.
What is the SI unit used to measure force? 
a)
pounds 
b)
grams 
c)
newtons 
d)
friction
13.
Insulators are different than conductors in that insulators ____.
a)
do not contain electrons or protons 
b)
 do not contain any charge
c)
have a weaker affinity for electrons 
d)
do not allow charge to freely move 
14.
Two like charges
a)
 neutralize each other.
b)
repel each other. 
c)
must be neutrons. 
d)
attract each other.
15.

An electric FIELD is

a)

The area inside an electric fence

b)

The region around a charged object where the object’s electric force is exerted on other charged objects

c)

The same thing as electric force

d)

The neutral region in an area

16.
True or False:
In static electricity, charges build up on an object, but they do not flow continuously.
a)
True
b)
False
c)
11
d)
Tuesday
17.
As a pair of charges is brought close together, the force between them
a)

Increases

b)

Decreases

c)

Increases only if they are the same sign

d)

Increases only if they are the opposite sign

18.

Materials that resist the movement of electrons are

a)

Good conductors

b)

Good insulators

c)

Good anti-static agents

d)

Good for storing charge

19.

When a charged metal touches a neutral metal they are charged by

a)

Induction

b)

Radiation

c)

Conduction

d)

Insulation

20.
A positively charged rod is held near the knob of a neutral electroscope. What best describes what will happen to the leaves?
a)
the leaves will spread apart and be positive
b)
the leaves will spread apart and be negative
c)
the leaves will stay closed and be positive
d)
the leaves will stay closed and be negative
21.
a)

conduction

b)

induction

c)

friction

22.

What is the purpose of a lightning rod?

a)

So birds won't sit on the roof

b)

To look cool

c)

To safely send electric charges from lightning into the ground

23.

The process of removing the excess charge on an object by means of the transfer of electrons between it and another object

a)

Grounding

b)

Conduction

c)

Induction

d)

Friction

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