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Elextrostatics

Total questions: 26

Worksheet time: 30mins

Name
Class
Date
1.
Two like charges
a)
 neutralize each other.
b)
repel each other. 
c)
must be neutrons. 
d)
attract each other.
2.
The charge of an electron is 
a)
positive. 
b)
negative. 
c)
Electrons have no charge
3.
An atom loses an electron.  What type of charge does it have now?
a)
positive
b)
negative
4.
An atom gains an electron.  What type of charge does it have now?
a)
positive
b)
negative
c)
No charge
5.
Charged objects are not attracted to neutral objects
a)
True
b)
False
6.
When a balloon is rubbed on clothes it acquires a charge by ___________
a)
Induction
b)
reduction
c)
friction 
d)
concuction
7.
Where do electrons go when you rub a balloon on your hair?
a)
Onto the balloon
b)
Into your hair
c)
Nowhere
8.
After you rub a balloon on your hair, what charge does the balloon have?
a)
Positive
b)
Negative
c)
Neutral
9.
After you rub a balloon on your hair, what charge does your hair have?
a)
Positive
b)
Negative
c)
Neutral
10.
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 
11.
How can objects become electrified?
a)
By plugging them in to a socket
b)
Adding acid to them
c)
Rubbing with flannel
d)
Shaking them in the air
12.
What object allowed John Tra"voltage" to discharge his electrons?
a)
The rug
b)
The wall
c)
The door
d)
The metal doorknob
13.
When a balloon is rubbed on a sweater in what direction do the electrons move?
a)
From the sweater to the balloon
b)
From the balloon to the sweater
c)
They do not move
d)
They travel to the groud
14.
Which of the following DOES NOT use electrostatics to work?
a)
Dryer sheets
b)
Electric Motor
c)
Photocopier
d)
Van de Graff Generator
15.
What is the name of this device that is used to detect charges?
a)
beaker
b)
electroscope
c)
van de graff generator
d)
chargometer
16.
Two like charges
a)
 neutralize each other.
b)
repel each other. 
c)
must be neutrons. 
d)
attract each other.
17.

What is the end result of charging by contact?

a)

Both object have the same charge, so they will attract one another

b)

Both object have the same charge, so they will repel one another

c)

Both object have the opposite charge, so they will attract one another

d)

Both object have the opposite charge, so they will repel one another

18.

What types of charges attract?

a)

Positive and Positive

b)

Positive and Neutral

c)

Negative and Neutral

d)

Positive and Negative

19.

The accumulation of excess electric charge on an object is called

a)

Static electricity

b)

Electric discharge

c)

Resistance

d)

Circuit

20.

Electric charges that are alike _______ each other.

a)

Attract

b)

Repel

21.

A metal spoon is an example of _____.

a)

a conductor

b)

an insulator

22.

Materials that tightly hold on to their electrons are considered

a)

Good conductors

b)

Good insulators

c)

Good anti-static agents

d)

Useful for storing charge

23.

Jo Jo the clown, 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.

24.
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
25.
Which type of charges do these balloons have?
a)
like charges
b)
opposite charges
26.
What type of charge do these balloons have?
a)
like charges
b)
opposite charges

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