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WorksheetsStatic Electricity
Total questions: 15
Worksheet time: 15mins
Name
Class
Date
1.
In a neutral atom, the number of electrons is equal to the number of _______.
a)
Neutrons
b)
Orbits
c)
Protons
d)
subatomic particles
2.
If two charges repel each other, the two charges must be
a)
Positive and neutra
b)
Positive and negative
c)
positive and neutral
d)
negative and negative
3.
An object becomes charged when the atoms in the object gain or lose
a)
electrons
b)
protons
c)
neutrons
d)
all of the above
4.
Objects that have opposite charges
a)
are attracted to each other, and the force between the objects pulls them together.
b)
are attracted to each other, and the force between the objects pushes them apart.
c)
are repelled by each other, and the force between the objects pulls them together.
d)
are repelled by each other, and the force between the objects pushes them apart.
5.
The "Q" in Coulomb's Law stands for
a)
the mass of charges objects.
b)
the distance of charged objects.
c)
the force of charged objects.
d)
the charge of charged objects.
6.
Which part of Coulomb's Law is always squared?
a)
distance
b)
charge
c)
Coulomb's constant
d)
force
7.
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
8.
Electrical charge built up on the surface of an object is called _________________.
a)
static electricity
b)
current electricity
c)
lightning
d)
electrons
9.
During a lab a balloon was rubbed with a wooly fabric. This is an example of which type of charging?
a)
conduction
b)
friction
c)
induction
10.
Which of the following is caused by static electricity?
a)
a stove getting hot when it is turned on
b)
a magnet being attracted to a refrigerator
c)
a lightning strike during a storm
d)
a light bulb coming on when a switch is turned on
11.
What variable is a Coulomb the unit for?
a)
Charge
b)
Force
c)
Distance
d)
Mass
12.
What happens to the force between two charged objects when you double the distance between them?
a)
2X
b)
1/2X
c)
4X
d)
1/4X
13.
If each of the charges doubles, what happens to the force?
a)
Quadruples
b)
Doubles
c)
Stays the same
d)
Reduced by half
14.
What variable do "Newtons" represent?
a)
Electrostatic Charge
b)
Force
c)
Distance
d)
Mass
15.
How do electrons differ from protons?
a)
They are the same thing
b)
Electrons hold a negative charge and protons hold a positive charge.
c)
Electrons are positively charged and protons are negatively charged.
d)
Protons are neutral
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