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ES-1-1

Total questions: 37

Worksheet time: 22mins

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.
What charge does a proton have?
a)
negative (-)
b)
positive (+)
c)
neutral or no charge (0)
7.
What charge does an electron have?
a)
negative (-)
b)
positive (+)
c)
neutral or no charge (0)
8.
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
9.

Which of these is the electron?

a)

A

b)

B

c)

C

10.
What is the SI unit used to measure force? 
a)
pounds 
b)
grams 
c)
newtons 
d)
friction
11.
Gravity attracts all objects towards one another.
a)
False
b)
True
c)
It depends
12.

What is the effect of two negatively charged objects coming near each other.

a)

The objects repel each other.

b)

The objects attract each other.

13.

What is the effect of one negatively charged object and one positively charged object coming close to each other.

a)

The objects repel each other.

b)

The objects attract each other.

14.

Which of the following can move from one atom to another?

a)

protons

b)

neutrons

c)

electrons

d)

the nucleus

15.

What is a static charge?

a)

an electric charge that is unchanging

b)

an electric charge that is fluctuating

c)

an unbalanced charge on an object

d)

a balanced charge on an object

16.

An object with a negative charge will be most strongly attracted to which of the following?

a)

an object with a weak positive charge

b)

an object with a strong positive charge

c)

an object with a weak negative charge

d)

an object with a strong negative charge

17.
Ms Jo Jo 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.
18.
The accumulation of excess electric charge on an object is called
a)
Static electricity 
b)
Electric discharge
c)
Resistance
d)
Circuit 
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.
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
21.

SI unit for electric charge

a)

Newton

b)

Coulomb

c)

Kilogram

d)

Watts

22.

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

23.

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

24.

What types of charges repel?

a)

Unlike charges repel.

b)

positive and negative charges.

c)

Like charges repel.

25.

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

a)

proton

b)

neutron

c)

electron

26.

The SI unit of current is ______.

a)

ohm

b)

joule

c)

ampere

d)

volt

27.

The conventional current always flows from _____ to ______

(a)  

28.

Quantization of charge means____

a)

A charged body has only integral multiples of electric charge on it

b)

A charge can neither be created nor destroyed

29.

A force that pushes objects away from each other

a)

electrical charge

b)

attraction

c)

force

d)

repulsion

30.

This is an example of

(a)  

31.

A pull or push of an object

a)

force

b)

electrical charge

c)

static electricity

d)

tug of war

32.

A property of matter that causes attraction or repulsion

a)

attraction

b)

electrical charge

c)

science

d)

force

33.

This is an example of

a)

static electricity

b)

attraction

c)

two things with similar/like charges

d)

two things with opposite charges

34.

Rubbing a balloon can make it

a)

electrically charged

b)

produce sweat

c)

cause an electrical current

35.

The word static means

a)

neutral

b)

something does not move

c)

electricity that moves from one place to another

d)

electrical circuit

36.

Which of the following is an example of static electricity?

a)

thunder

b)

rain

c)

wind

d)

lightning

37.

An electrically charged balloon will be attracted to which of the following

a)

small pieces of aluminum foil

b)

pieces of rice

c)

small pieces of paper

d)

hair

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