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Electric charge

Total questions: 20

Worksheet time: 11mins

Name
Class
Date
1.
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 
2.
Which subatomic particles contribute the most to the mass of an atom?
a)
Protons, Neutrons, Electrons
b)
Protons only
c)
Protons and Electrons
d)
Protons and Neutrons
3.
Protons and Electrons balance the charge of an atom.
a)
True
b)
False
4.
Electric charges that are different _______ each other.
a)
Attract
b)
Repel
5.
Electric charges that are alike _______ each other.
a)
Attract
b)
Repel
6.
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
7.

Which of these is the electron?

a)

A

b)

B

c)

C

8.

SI unit for electric charge

a)

Newton

b)

Coulomb

c)

Kilogram

d)

Watts

9.

What subatomic particles can you find at the center of nucleus?

a)

electron and proton

b)

proton only

c)

neutron and proton

d)

neutron and electron

10.

What is the fundamental value of  electron?

a)

 e=1.60×10−19 C

b)

e= 1.60×10−91 C

c)

e= 1.60×10−15 C

d)

e= 1.60×10−21 C

11.

What makes up an atom?

a)

electron and proton

b)

electron and neutron

c)

neutron, electron and friction

d)

neutron, electron and proton

12.

In an atom, where is the location of electron?

a)

at the center of the nucleus

b)

the free floating negatively charged electron cloud

c)

the positively charge very dense nucleus

d)

the very dense positively charged electron orbital

13.

Ms. Josette rubbed two balloons with a piece of wool. What will happen when the balloons are brought near each other?

a)

The balloons will attract each other.

b)

The balloons will repel each other

c)

The balloons will pop.

d)

The balloon will become colorless.

14.

The part of atom that moves from one object to another.

a)

proton

b)

neutron

c)

electron

15.
Metals such as copper, iron, gold, and silver are ...
a)
conductors
b)
brittle
c)
insulators
d)
resistors
16.
Which type of charges do these balloons have?
a)
like charges
b)
opposite charges
17.
What type of charge do these balloons have?
a)
like charges
b)
opposite charges
18.

Walking across a carpet is an example of charge being transferred by

a)

electric force

b)

induction.

c)

contact.

d)

static electricity

19.
What happens when you touch a metal doorknob after rubbing your shoes on the carpet?
a)
The doorknob sends a burst of electric current into your body
b)
Millions of electrons go from your finger into the doorknob
c)
The doorknob sends millions of electrons into your finger
d)
our finger becomes negatively charged
20.
Consider the electric field lines shown in the diagram below. From the diagram, it is apparent that object A is ____ and object B is ____.
a)
+,+
b)
+,-
c)
-,+
d)
-,-