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10.1 Electric Charge

Total questions: 30

Worksheet time: 25mins

Name
Class
Date
1.

Protons have a ​ (a)   charge and electrons have a ​ (b)   charge.

Choose from the below words
positive
negative
neutral
2.

Two particles with opposite charges​ (a)   each other.

Two particles with the same charge ​ (b)   each other.

Choose from the below words
attract
repel
amplify
destroy
3.

The force between electric charges depends on...

a)

the mass of the charges

b)

the distance between charges

c)

the amount of charge

d)

the velocity of the charges

4.

A(n) ​ (a)   is a material through which electrons (and therefore charge) move easily.

A(n) ​ (b)   is a material through which electrons (and therefore charge) do not move easily.

Choose from the below words
conductor
insulator
circuit
current
5.

Copper is an example of a(n) ​​ (a)  

Rubber is an example of a(n) ​ (b)  

Choose from the below words
conductor
insulator
circuit
fuse
6.

I touched a negatively charged rod to a neutral object, and some negative charge was transferred to the object. This is an example of...

a)

charging by induction

b)

charging by friction

c)

charging by contact

d)

charging by polarization

7.

I bring a positively charged rod near a neutral metal sphere, which causes the negative charge within the sphere to move toward the rod, and the positive charge to move away from the rod. This is an example of...

a)

charging by induction

b)

charging by polarization

c)

charging by contact

d)

charging by friction

8.

During a storm, convection currents cause a separation of charges in storm clouds, and then lightening strikes the ground due to...

a)

the force of the convection currents

b)

the attraction between negative and positive charges between the cloud and the ground

c)

the negative and positive charges in the cloud repelling each other

d)

the high potential energy in the cloud flowing to the low potential energy in the ground

9.

How many types of electric charges are there?

a)

0

b)

1

c)

2

d)

3

10.

How will these charges interact?

a)

Repel

b)

Attract

c)

No interaction

11.

How will these charges interact?

a)

Repel

b)

Attract

c)

No interaction

12.

How will these charges interact?

a)

Repel

b)

Attract

c)

No interaction

13.
A region around charged objects where the object´s electric force is exerted on other charged objects is an electric: 
a)

Field

b)

Outlet

c)

Socket

d)

Domain

14.
The closer the charges, the ___________ the force between them
a)
closer
b)
further
c)
stronger
d)
weaker
15.
An object becomes charged when the atoms in the object gain or lose
a)
electrons
b)
protons
c)
neutrons
d)
all of the above
16.

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

a)

Atom

b)

Proton

c)

Electron

d)

Neutron

17.
The electrical force between charges is strongest when the charges are
a)
close together
b)
far apart
c)
 the electric force is constant everywhere.
d)
there is no pattern
18.
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
19.
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
20.

Which two particles are attracted to each other?

a)

Two neutrons

b)

A proton and an electron

c)

Two protons

d)

An electron and a neutron

21.

A repulsive force exists between which two particles?

a)

Two neutrons

b)

An electron and a neutron

c)

An electron and a proton

d)

Two protons

22.

As two oppositely charged particles approach each other, what happens to the electrical force between them?

a)

The attractive force increases

b)

The magnitude of the electric force decreases

c)

The repulsive force increases

d)

The magnitude of their charges increases

23.

A balloon is rubbed on a student's head. What occurs because of this?

a)

Charged particles on the balloon are destroyed

b)

Positively charged particles move from head to balloon

c)

Charged particles from the balloon are released into the air

d)

Negatively charged particles move from head to balloon

24.
When distance increases, electrostatic force ____________; we call this relationship ____________ proportional
a)
decreases;directly
b)
decreases;inversely
c)
increases;inversely
d)
increases;directly
25.
The Electric Force is strongest when charges are...
a)
close together
b)
far apart
c)
the electric force is constant everywhere
26.
In a good insulator, electrons are usually
a)
free to move around
b)
free to move around after an impurity has been added
c)
semi-free to move around
d)
tightly bound in place
27.

What happens to the force between two charged objects when you halve the distance between them?

a)

2X

b)

1/2X

c)

4X

d)

1/4X

28.

If one of the charges doubles, what happens to the force?

a)

it doubles

b)

it gets cut in half

c)

it quadruples

d)

it is cut by 1/4

29.

What does the "k" represent in Coulomb's Law?

a)

charge

b)

Coulomb's Constant

c)

kilometers

d)

distance between charges

30.

Which setup of charged particles shown below has the two exert the most force on one another?

a)
b)
c)
d)