WorksheetsElectric Charges and Forces Quiz
Total questions: 20
Worksheet time: 10mins
An atom loses an electron. What kind of charge does it have now?
positive
negative
no charge
neutral
When a balloon is rubbed against clothes, it acquires a charge by
induction
friction
conduction
reduction
Which of the following labeled points is in the region with the strongest force of electric charge
A
B
C
D
Where do electrons go when you rub a balloon on your hair?
Onto the balloon
Into your hair
Into the air
Nowhere
After you rub a balloon on your hair, what charge does the balloon have?
Positive
Negative
Neutral
No charge
After you rub a balloon on your hair, what charge does your hair have?
Positive
Negative
No charge
Neutral
Assume a rubber rod is rubbed against a rabbit fur and gains 5 electrons. which of the following is true?
The fur lost 5 electrons
The fur gained 5 electrons
The fur gained 5 protons
The fur lost 2 electrons
The electric force is strongest when charges are...
close together
far apart
the electric force is constant everywhere
. What are the two types of charges that objects may possess?
+ and +
+ and -
+ and neutral
How does the electric force act within an atom?
The electric force causes the repulsion of the negatively-charged electrons from the positively-charged nucleus.
The electric force causes the attraction of the negatively-charged electrons to the positively charged nucleus.
The electric force holds neutrons and protons together in the nucleus.
The electric force causes the attraction of negatively-charged electrons to each other.
In a stable (balanced) atom the amount of electrons is electron is equal to
neutrons
atomic mass
protons
neutrons + protons
The accumulation of excess electric charge on an object is called
static electricity
electric discharge
resistance
circuit
Static electricity is the buildup of charges between two objects. What best explains why a balloon is attracted to hair when the two have been rubbed together?
The balloon and hair both have positive charges
The balloon and the hair both have neutral charges
The balloon and the hair both have negative charges
The balloon and the hair both have opposite charges
What is the cause of electricity?
Magnetism
Gravity
Moving electrons
Lightning
A Van der Graff generator works by
Causing the outside of the metal ball to become positively charged
Causing the outside of the metal ball to become neutrally charged
Causing the outside of the metal ball to become a bar magnet
Causing the outside of the metal ball to become negatively charged
A metal spoon is an example of _____.
a conductor
an insulator
Which of the following are Conductors of Electricity?
(multiple answers)
copper
aluminum
wood
rubber
gold
Which of the following are Insulators of Electricity?
(multiple answers)
wood
dry air
water
rubber
cloth
The loss of an unbalanced electric charge is an
electric force
electric field
electric discharge
Atoms are electrically ___________
neutral
negatively charged
positively charged
particles
