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electrostatic

Total questions: 32

Worksheet time: 23mins

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.
When a balloon is rubbed on clothes it acquires a charge by ___________
a)
Induction
b)
reduction
c)
friction 
d)
concuction
4.
When a glass rod is rubbed with silk and the glass rod becomes positively charged, what happens to the electrons?
a)
they are removed from the rod
b)
they are added to the rod
5.
Which of the following is not a good insulator?
a)
Copper
b)
Glass
c)
rubber
d)
wool
6.
What is the name of the particle that is being transferred?
a)
Proton
b)
Neutron
c)
Electron
d)
Positron
7.
What is the overall charge on this balloon? (They are the same so look at either one!)
a)
+3
b)
-6
c)
+6
d)
-3
8.
The SI unit of charge is
a)
the ampere
b)
the newton
c)
the coulomb
d)
the joule
9.

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

10.

Only ____________________ can move from one another object to another object when rubbed.

a)

neutron

b)

electron

c)

proton

11.

A Van de Graff generator is applied to ________________________

a)

produce same charges

b)

produce different charges

c)

generate electrical charges

12.

Choose TWO correct statements how lightning happened.

a)

The upper part cloud is negatively charged

b)

The ground is negatively charged

c)

The friction of air and cloud produce electric charges

d)

Force of repulsion occur between the ground and cloud

13.

3.Plastic is an example of _______.

a)

an insulator

b)

a conductor

14.

4. 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

15.

8. Consider the conduction charging shown.

a)

Electrons move from the insulating stand into the sphere.

b)

Protons move from the bar into the sphere.

c)

Protons move from the sphere into the negatively charged bar.

d)

Electrons move from the charged metal bar into the sphere.

16.
During a physics lab, a plastic strip was rubbed with cotton and became positively charged. The correct explanation for why the plastic strip becomes positively charged is that ...
a)
the plastic strip acquired extra protons from the cotton.
b)
the plastic strip acquired extra protons from the charging process 
c)
protons were created as the result of the charging process
d)
the plastic strip lost electrons to the cotton during the charging process 
17.
A glass rod becomes positively charged when it is rubbed with silk. This net positive charge accumulates because the glass rod
a)
gains electrons
b)
loses electrons
c)
gains protons
d)
loses protons
18.

What are the three methods of electrification?

(a)  

19.

Protons and Neutrons balance the charge of an atom.

a)

True

b)

False

20.
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
21.
What subatomic particles would you find in the nucleus of an atom?
a)
Protons only
b)
Protons and Neutrons
c)
Neutrons and Electrons
d)
Protons and Electrons 
22.
What charge does an electron have?
a)
negative (-)
b)
positive (+)
c)
neutral or no charge (0)
23.
What charge does a proton have?
a)
negative (-)
b)
positive (+)
c)
neutral or no charge (0)
24.
If a substance has an excess number of electrons on its surface, what type of charge does it have?
a)
A negative charge
b)
A positive charge
c)
A neutral charge
d)
A nuclear charge
25.
When objects have equal numbers of positive and negative charges, they are
a)
positively charged
b)
negatively charged
c)
electrically neutral
d)
unbalanced
26.

What happens when a rubber rod is rubbed with a piece of fur, giving it a negative charge?

a)

Electrons are added to the rod

b)

The fur is left neutral

c)

Electrons are added to the fur

d)

Protons are removed from the rod

27.

when a glass rod is rubbed with silk and becomes positively charged,....

a)

protons are removed from the silk

b)

Protons are added to the silk

c)

The silk remains neutral

d)

Electron are removed from the rod

28.

If you have built up a static electric charge on your skin, it is likely to discharge when you touch something metal

a)

True

b)

False

29.
A material in which electrons are able to move easily
a)
Circuit
b)
Insulator 
c)
Resistance 
d)
Conductor 
30.
The rearrangement of electrons on a neutral object caused by a nearby charged object 
a)
Induction 
b)
Conduction 
c)
Friction 
d)
Conductor 
31.
What is the unit of electric charge?
a)
Volts
b)
Amps
c)
Coulombs
d)
Ohms
32.

The attraction or repulsion of particles or objects because of their electric charge.

a)

Electrostatics

b)

Electrostatic Force

c)

Electrostatic Field

d)

Electric Charge

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