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WorksheetsPhysics Final Exam Review
Total questions: 70
Worksheet time: 3hrs 59mins
Name
Class
Date
1.
During a physics lab, a plastic strip was rubbed with cotton and became positively charged. The correct explanation for why the plastic strip becomes positively charged is that ...
a)
the plastic strip acquired extra protons from the cotton.
b)
the plastic strip acquired extra protons from the charging process
c)
protons were created as the result of the charging process
d)
the plastic strip lost electrons to the cotton during the charging process
2.
Insulators are different than conductors in that insulators ____.
a)
do not contain electrons or protons
b)
do not contain any charge
c)
have a weaker affinity for electrons
d)
do not allow charge to freely move
3.
Consider the conduction charging shown.
a)
Electrons move from the insulating stand into the sphere.
b)
Protons move from the bar into the sphere.
c)
Electrons move from the charged metal bar into the sphere.
d)
Protons move from the sphere into the negatively charged bar.
4.
A negatively charged plastic comb is brought close to, but does not touch, a small piece of paper. If the comb and the paper are attracted to each other, the charge on the paper
a)
must be positive
b)
must be negative
c)
may be neutral or negative
d)
may be neutral or positive
5.
Two electrically neutral metal spheres, A and B, on insulating stands are placed in contact with each other. A negatively charged rod is brought near, but does not touch the spheres, as shown in the diagram below. How are the spheres now charged?
a)
A is positive and B is positive.
b)
A is negative and B is positive.
c)
A is positive and B is negative.
d)
A is negative and B is negative.
6.
Three charged metal spheres, X, Y, and Z, are on insulating stands. All three spheres are simultaneously brought into contact with each other and then returned to their original positions.
Which statement best describes the charge of the spheres after this procedure is completed?
Which statement best describes the charge of the spheres after this procedure is completed?
a)
All the spheres will end up with the same charge
b)
All the spheres are neutral
c)
Sphere Y has a greater charge than spheres X or Z
d)
Each sphere retains the same charge that it had originally
7.
Electrostatic force F exists between two point charges. If the both charges are doubled, the force between the charges will be
a)
F
b)
4F
c)
2F
d)
F/4
8.
Which of the following is a false statement about electrostatic force.
a)
Bringing charges closer together strengthen the force.
b)
The electrostatic constant remains the same.
c)
The values of the two charges is always the same.
d)
Electrostatic force can be attractive or repulsive
9.
Two like charges
a)
neutralize each other.
b)
repel each other.
c)
must be neutrons.
d)
attract each other.
10.
An atom loses an electron. What type of charge does it have now?
a)
positive
b)
negative
11.
An atom gains an electron. What type of charge does it have now?
a)
positive
b)
negative
c)
No charge
12.
When a balloon is rubbed on clothes it acquires a charge by ___________
a)
Induction
b)
reduction
c)
friction
d)
concuction
13.
What do you call the process of charging a conductor by bringing it near another charged object?
a)
induction
b)
polarization
c)
neutralization
d)
conduction
14.
Which of the following is not a good conductor of electricity?
a)
copper
b)
silver
c)
Glass
d)
aluminum
15.
Which of the following is not a good insulator?
a)
Copper
b)
Glass
c)
rubber
d)
wool
16.
The law of conservation of charge states that...
a)
all atoms have more protons than electrons
b)
only protons can be rubbed off of an atom
c)
charge cannot be created or destroyed
d)
charge cannot be transferred
17.
This circuit has more than one loop. When one light goes out, the others stay on.
a)
closed circuit
b)
series circuit
c)
parallel circuit
d)
open circuit
18.
What kind of circuit is this?
a)
series
b)
parallel
19.
this circuit is .....?
a)
open
b)
parallel
c)
closed
d)
The cutest little circuit evah!
20.
When you flip a light switch on and off you are closing and opening a circuit.
a)
true
b)
false
21.
In a parallel circuit if one light bulb goes OUT; then they ALL go out. TRUE OR FALSE?
a)
TRUE
b)
FALSE
22.
What is a Parallel circuit?
a)
Has only one path
b)
Has more than one path
c)
Allows energy to travel through easily
d)
Has only one light bulb
23.
The picture shows an electrical circuit. This circuit is a series circuit because:
a)
It has 3 light bulbs.
b)
The same current flows through all three light bulbs.
c)
It uses a single battery.
d)
The electrical current is divided between the three light bulbs.
24.
The total current through this circuit is
a)
0.02 amps
b)
0.09 amps
c)
50 amps
d)
9 amps
25.
The voltage dropped across the 300 ohm resistor is
a)
6 V
b)
9 V
c)
2 V
d)
30 V
26.
What is the total resistance (RT) across this circuit?
a)
3 kΩ
b)
10 kΩ
c)
13 kΩ
d)
16 kΩ
27.
Pick the correct sentence.
a)
This circuit will work because it is a closed circuit.
b)
Energy will freely flow in this circuit.
c)
This circuit will not work because there is no energy source.
d)
This circuit will not work because there is no switch.
28.
A magnet cannot not move which of the following objects?
a)
a paper clip
b)
a nail
c)
a toothpick
d)
a staple
29.
A north pole and a south pole will attract.
a)
True
b)
False
30.
How is a permanent magnet DIFFERENT from a temporary magnet?
a)
A permanent magnet attracts materials made of iron.
b)
A permanent magnet has poles.
c)
A permanent magnet has a magnetic field.
d)
A permanent magnet keeps its magnetism for a long time.
31.
Earth acts like a giant magnet because its center is made up MOSTLY of
a)
granite
b)
limestone
c)
iron
d)
nickel
32.
True or False: All metals stick to magnets.
a)
True
b)
False
33.
It is possible for a magnet to have only one pole.
a)
True
b)
False
34.
Where is the force of attraction the strongest on a magnet?
a)
at the poles
b)
in the middle
c)
above the magnet
d)
below the magnet
35.
Why does a compass needle point north?
a)
The compass is a bar magnet
b)
Because north is up
c)
Because it's magic
d)
It lines up with the Earth's magnetic field
36.
What will happen when these magnets are brought close together?
a)
They will attract each other.
b)
They will repel each other.
c)
Both magnets will turn to the left
d)
Both magnets will turn to the right
37.
This large crane magnet functions only when the electrical current is ON. The crane magnet is an example of what type of magnet?
a)
NIB Magnet
b)
Ceramic Magnet
c)
Electromagnet
d)
funnel magnet
38.
Iron, Nickel and cobalt are all __________________ materials
a)
Shiny
b)
poles
c)
magnetic
d)
cold
39.
As electrons move, they make
a)
A. electromagnetism.
b)
B. auroras.
c)
C. ferromagnetism.
d)
D. magnetic fields.
40.
The attraction or repulsion created by spinning electric charges
a)
A. electric generator
b)
B. magnetic force
c)
C. solenoid
d)
D. electromagnet
41.
A device that converts electrical energy into mechanical energy
a)
A. electromagnet
b)
B. electromagnetic induction
c)
C. electric motor
d)
D. electromagnetism
42.
A device that converts mechanical energy into electrical energy
a)
A. electric generator
b)
B. electric motor
c)
C. electromagnetic induction
d)
D. electric generator
43.
The process of creating a current in a circuit by changing a magnetic field
a)
A. electric generator
b)
B. electric motor
c)
C. electromagnetic induction
d)
D. magnet
44.
What is created when a magnet moves through a coil of wire?
a)
A. an
electromagnet
b)
B. a ferromagnet
c)
C. a
solenoid
d)
D. an
electric current
45.
What kind of magnet can be turned on and off?
a)
refrigerator magnet
b)
electromagnet
c)
magnetite
d)
iron
46.
If you wrap more coils around an electromagnet, it will become
a)
brighter
b)
stronger
c)
weaker
d)
invisible
47.
What property of the wave is represented by the letter "B"?
a)
amplitude
b)
crest
c)
trough
d)
wavelength
48.
The highest point on a wave is:
a)
the crest
b)
the trough
c)
the top
d)
the coast
49.
The lowest point on a wave is the:
a)
Amplitude
b)
Crest
c)
Trough
d)
Wavelength
50.
Which letter(s) represent the trough of the wave?
a)
A
b)
B & D
c)
D
d)
C & G
51.
Which vocabulary term is used to identify the distance between points C & G?
a)
Amplitude
b)
Crest
c)
Frequency
d)
Wavelength
52.
When light hits the shirt in the picture, which color will bounce off?
a)
Blue
b)
Indigo
c)
Orange
d)
Violet
53.
When light hits a black object, like the one in the picture, what will happen to the different colors?
a)
All colors of light will bounce off
b)
All colors of light pass through it
c)
All colors of light will be absorbed
d)
None of the above
54.
What is the longest wavelength on the EMS (electromagnetic spectrum)?
a)
Radio Waves
b)
Micro Waves
c)
Gamma Rays
d)
X-Rays
55.
What happens to all of the light when it hits this object?
a)
reflection
b)
absorption
c)
transmission
56.
Which of the following colors have the longest wavelength?
a)
Red
b)
Yellow
c)
Blue
d)
Green
57.
Which of the following has the correct order from shortest wave to longest?
a)
Red, orange, green
b)
Green, yellow, blue
c)
Indigo, Green, Yellow
d)
Violet, Green, Indigo
58.
The matter (solid, liquid, or gas) through which waves can travel
a)
Medium
b)
Object
c)
Transverse Wave
d)
Wavelength
59.
Which diagram shows the wavelength of a wave?
a)
b)
c)
60.
What does a wave carry from place to place?
a)
energy
b)
matter
c)
people
61.
If the wavelength of a wave increased, what would happen to the frequency?
a)
decrease
b)
increase
c)
stay the same
62.
A wave that can travel through matter and empty space is a:
a)
electromagnetic wave
b)
longitudinal wavy
c)
transverse wave
d)
mechanical
63.
What type of wave is this?
a)
Longitudinal
b)
Transverse
c)
Electromagnetic
d)
x ray
64.
Which of the following is NOT a mechanical wave?
a)
sound
b)
light
c)
ocean
d)
seismic
65.
You can't hear sounds in outer space because there is no
a)
medium
b)
light
c)
energy
d)
heat
66.
What property of the wave is represented by the letter "B"?
a)
amplitude
b)
crest
c)
trough
d)
wavelength
67.
A helium nucleus with two protons and two neutrons is called a(n) ____.
a)
alpha particle
b)
electroscope
c)
beta particle
d)
gamma ray
68.
Which type of nuclear radiation is being emitted here?
a)
Alpha
b)
beta
c)
gamma
d)
none
69.
Gamma rays have
a)
no mass
b)
a huge mass
c)
a small mass
d)
an average mass
70.
The diagram shows the path of radioactive rays, S and T. Which of the following shows the type of ray S and ray T?
a)
ray S= alpha. ray T=beta
b)
ray S= alpha ray T=gamma
c)
ray S= beta. ray T=gamma
d)
ray S= gamma. ray T= beta
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