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Physical science final exam

Total questions: 100

Worksheet time: 50mins

Name
Class
Date
1.
Sound is an example of a __________________ wave.
a)
Transverse
b)
Longitudinal
2.
Earthquakes cause two types of seismic waves, known as __ and __ waves.
a)
R and S
b)
R and P
c)
S and P
3.
True or false: The two types of wave from an earthquake are considered both longitudinal waves.
a)
True
b)
False
4.
True or false: Waves carry matter with them, but not energy.
a)
True
b)
False
5.
Which term refers to how many wave cycles occur within one second?
a)
Wavelength
b)
Frequency
c)
Wave speed
6.
True or false: Transverse waves vibrate perpendicular to the way that the energy travels.
a)
True
b)
False
7.

Which state of matter has the highest particle movement?

a)
Gas
b)
Liquid
c)
Solid
8.
Light acts as a... (select all that apply)
a)
Particle
b)
Molecule
c)
Matter
d)
Wave
9.
The picture above is showing...
a)
Diffraction
b)
Interference
c)
Compression
10.
What is the correct formula for speed?
a)
Speed = Distance × Time
b)
Speed = Distance ÷ Time
c)
Speed = Time ÷ Distance
d)
Speed = Acceleration × Time
11.
What does velocity include that speed does not?
a)
Acceleration
b)
Mass
c)
Direction
d)
Force
12.
If a car travels 100 meters east in 20 seconds, what is its velocity?
a)
5 m/s
b)
5 m/s east
c)
20 m/s
d)
10 m/s east
13.
According to Newton’s First Law of Motion, what will happen to an object in motion if no external force acts on it?
a)
It will eventually stop.
b)
It will continue moving at the same speed in a straight line.
c)
It will change direction.
d)
It will speed up.
14.
Newton’s Second Law states that force equals:
a)
Mass × Velocity
b)
Mass × Acceleration
c)
Distance × Time
d)
Speed ÷ Time
15.
What is an example of Newton’s Third Law?
a)
A book resting on a table
b)
A car accelerating due to an applied force
c)
A swimmer pushing off a wall and moving in the opposite direction
d)
A rolling ball slowing down due to friction
16.
Which of the following is an example of an unbalanced force?
a)
A book sitting on a desk
b)
A car moving at a constant speed
c)
A person pushing a stalled car and making it move
d)
A satellite orbiting Earth in a stable path
17.
What force opposes the motion of an object moving across a surface?
a)
Gravity
b)
Acceleration
c)
Friction
d)
Velocity
18.
Velocity can change if either the speed or the direction of motion changes.
a)
True
b)
False
19.
A force must be applied to an object to keep it in motion.
a)
True
b)
False
20.
If an object has a net force of zero, it must be at rest.
a)
True
b)
False
21.
Which of the following is an example of acceleration?
a)
A car moving at a constant speed in a straight line
b)
A person standing still
c)
A car slowing down at a red light
d)
A book resting on a table
22.
Which of Newton’s laws explains why passengers lurch forward when a car suddenly stops?
a)
Newton’s First Law
b)
Newton’s Second Law
c)
Newton’s Third Law
d)
The Law of Universal Gravitation
23.
According to the equation for Newton's second law, what happens to the force required to accelerate an object if its mass increases but the acceleration remains the same?
a)
The force remains the same.
b)
The force decreases.
c)
The force increases.
d)
The force is unrelated to mass.
24.
Which of the following best describes inertia?
a)
The ability of an object to accelerate when a force is applied
b)
The resistance of an object to a change in its motion
c)
The speed of an object in motion
d)
The force needed to move an object
25.
A truck and a bicycle are moving at the same speed. Which has more inertia?
a)
The truck
b)
The bicycle
c)
They have the same inertia
d)
It depends on their direction
26.
A soccer ball is rolling on the ground and eventually comes to a stop. What force is mainly responsible for stopping the ball?
a)
Gravity
b)
Friction
c)
Air resistance
d)
Momentum
27.
A person is riding a skateboard and suddenly jumps off. What will happen to the skateboard?
a)
It will stop immediately.
b)
It will roll backward.
c)
It will continue moving forward.
d)
It will slow down and move sideways.
28.
Which of the following statements about friction is true?
a)
Friction always makes objects move faster.
b)
Friction only occurs between solids.
c)
Friction always acts in the opposite direction of motion.
d)
Friction is greater on smooth surfaces than rough surfaces.
29.
If two objects are moving at the same speed, what determines which has more momentum?
a)
The object’s shape
b)
The object’s mass
c)
The object’s size
d)
The direction the object is moving
30.
If a person lifts a 10 N object 2 meters, how much work is done?
a)
5 J
b)
20 J
c)
12 J
d)
8 J
31.
Which of the following is not one of the six simple machines?
a)
Lever
b)
Pulley
c)
Engine
d)
Wedge
32.
A shovel is an example of a:
a)
First-class lever
b)
Second-class lever
c)
Third-class lever
d)
Pulley system
33.
Which simple machine would help lift a flag up a flagpole?
a)
Screw
b)
Pulley
c)
Lever
d)
Wedge
34.
A screw contains which OTHER simple machine?
a)
Inclined plane
b)
Pulley
c)
Lever
d)
Wheel and axle
35.
Which of the following is not a compound machine?
a)
Bicycle
b)
Scissors
c)
Ramp
d)
Can opener
36.
Which type of heat transfer requires direct contact between objects?
a)
Radiation
b)
Sublimation
c)
Conduction
d)
Convection
37.
The octet rule states that atoms tend to:
a)
Lose all their electrons
b)
Have exactly 8 protons
c)
Share electrons with metals only
d)
Achieve 8 valence electrons
38.
Which elements are typically good conductors of electricity?
a)
Nonmetals
b)
Noble gases
c)
Metals
d)
Metalloids
39.
Heat transfer in a vacuum can occur through:
a)
Convection only
b)
Radiation only
c)
Conduction only
d)
Both convection and conduction
40.
The arrangement of elements in the periodic table is based on:
a)
Atomic mass
b)
Number of neutrons
c)
Atomic number
d)
Number of electron shells
41.
Which heat transfer method involves fluid movement?
a)
Radiation
b)
Conduction
c)
Convection
d)
None of these
42.
Which best describes the relationship between heat and temperature?
a)
They are the same thing
b)
Heat is the transfer of thermal energy while temperature measures average kinetic energy
c)
Temperature is always higher than heat
d)
Heat can only be measured in Fahrenheit
43.
What type of energy is stored in batteries??
a)
thermal energy
b)
chemical energy
c)
kinetic energy
d)
mechanical energy
44.
Which statement about kinetic energy is correct?
a)
It decreases as particle speed increases
b)
It's only present in solid materials
c)
It's directly related to particle motion
d)
It's independent of temperature
45.
What happens to the kinetic energy of particles when the temperature of a substance increases?
a)
the kinetic energy decreases
b)
the kinetic energy increases
c)
the kinetic energy stays the same
d)
the kinetic energy increases then decreases
46.
Which of these is not a compound machine (it only contains one simple machine).
a)
flagpole
b)
iphone
c)
wheelbarrow
d)
pencil sharpener
47.
What causes all mechanical waves?
a)
A disturbance or vibration of matter
b)
A change of state
c)
A decrease in temperature
d)
Having to say goodbye
48.
What is this wave transferring?
a)
energy
b)
beads
c)
money
49.
What happens to the beads in this wave?
a)
They move move up and down.
b)
They travel from left to right from one place to another.
c)
The travel from right to left from one place to another.
50.
What does this water wave transfer from one place to another?
a)
water particles
b)
water particles and energy
c)
the boat
d)
energy
51.
What happens to the water particles in a water wave like this one?
a)
The water particles move up and down.
b)
A current is formed and water travels long distances.
52.
All mechanical waves require a ________ to travel through.
a)
tunnel
b)
medium
c)
vacuum
d)
hallway
53.
What is the medium of this wave?
a)
the faucet
b)
the water
c)
the energy
d)
the tank that the water is in
54.
What happens to the air particles as the wave travels through them?
a)
They move back and forth (vibrate) in place and bump into other particles.
b)
They travel from the speaker to the other side of the room.
c)
They disappear.
d)
They stay very very still.
55.
As the amplitude of a sound wave increases or decreases, the pitch ________.
a)
Increases
b)
Decreases
c)
Stays the same.
56.
As the amplitude of a sound wave increases, the volume ________.
a)
Increases
b)
Decreases
c)
Stays the same.
57.
Select the wave that has the higher frequency.
a)
Option 1
b)
Option 2
58.
Select the wave that has the larger wavelength.
a)
Option 1
b)
Option 2
59.
Select the wave that has the higher amplitude.
a)
Option 1
b)
Option 2
60.
Select the wave that has the higher frequency.
a)
Option 1
b)
Option 2
61.
Select the wave that has the larger wavelength.
a)
Option 1
b)
Option 2
62.
Can sound waves travel in empty space (where there is no matter).
a)
Yes
b)
No, sound waves require matter to travel through.
63.
Which wave interaction causes waves to bend when passing through a new medium?
a)
Reflection
b)
Refraction
c)
Interference
d)
Diffraction
64.
If the wavelength of a wave increases but its speed stays the same, what happens to its frequency?
a)
Increases
b)
Decreases
c)
Stays the same
d)
Doubles
65.
Which of the following is a characteristic of all mechanical waves?
a)
They travel through empty space
b)
They travel faster in gases
c)
They require a medium
d)
They have no energy
66.
What type of energy transformation occurs when gasoline powers a car’s engine?
a)
Electrical → Chemical
b)
Nuclear → Kinetic
c)
Chemical → Mechanical
d)
Thermal → Chemical
67.
Which of these best describes kinetic energy?
a)
Energy due to position
b)
Energy due to motion
c)
Stored energy in chemical bonds
d)
Heat energy
68.
A roller coaster has the most potential energy at:
a)
The bottom of the hill
b)
The middle of the track
c)
The highest point
d)
The loop
69.
Newton’s First Law is also known as the law of:
a)
Force
b)
Mass
c)
Gravity
d)
Inertia
70.
According to Newton’s Second Law, force equals:
a)
Mass + acceleration
b)
Mass × acceleration
c)
Acceleration ÷ mass
d)
Speed × distance
71.
Which of the following is NOT a vector quantity?
a)
Velocity
b)
Acceleration
c)
Force
d)
Speed
72.
Which statement is true about the law of conservation of energy?
a)
Energy can disappear during a collision
b)
Energy can be created by machines
c)
Energy changes form, but total amount stays the same
d)
Energy is destroyed in nuclear reactions
73.
A ramp used to load heavy boxes into a truck is an example of which type of simple machine?
a)
Lever
b)
Pulley
c)
Inclined plane
d)
Wheel and axle
74.
Which of the following situations is an example of work being done?
a)
A student holds a heavy backpack without moving
b)
A person pushes against a wall and the wall doesn’t move
c)
A book falls off a shelf and lands on the floor
d)
A person carries a box across the room at a constant height
75.
True or false: Sound waves move around objects and other physical obstacles
a)
True
b)
False
76.

Which of the following best illustrates Newton’s First Law of Motion?

a)

A light bulb turning on

b)

A magnet attracting a paperclip

c)

A rocket launching into space

d)

A ball rolling on a smooth surface keeps moving until stopped

77.

Which simple machine is used to hold objects together or split them apart?

a)

Inclined plane

b)

Wheel and axle

c)

Wedge

d)

Pulley

78.

What property of a wave determines its loudness?

a)

Amplitude

b)

Wavelength

c)

Speed

d)

Frequency

79.

Which simple machine is used to raise a flag on a flagpole?

a)

Lever

b)

Pulley

c)

Wheel and axle

d)

Inclined plane

80.

What is the main difference between transverse and longitudinal waves?

a)

Transverse waves require a medium, longitudinal waves do not

b)

Transverse waves vibrate perpendicular to energy transfer, longitudinal waves vibrate parallel

c)

Longitudinal waves travel faster than transverse waves

d)

Transverse waves are only found in liquids

81.

If you push a box across the floor and it eventually stops, what force caused it to stop?

a)

Gravity

b)

Friction

c)

Magnetism

d)

Buoyancy

82.

Which of the following is an example of chemical energy?

a)

A battery powering a flashlight

b)

A ringing bell

c)

A stretched rubber band

d)

A moving car

83.

What type of energy is stored in the nucleus of an atom?

a)

Mechanical energy

b)

Nuclear energy

c)

Thermal energy

d)

Sound energy

84.

Which form of energy is produced by vibrating objects?

a)

Sound energy

b)

Electrical energy

c)

Gravitational energy

d)

Light energy

85.

Which type of wave requires a medium to travel through?

a)

Electromagnetic wave

b)

Mechanical wave

c)

Both

d)

Neither

86.

What is the main difference between P waves and S waves?

a)

S waves can travel through both solids and liquids

b)

P waves are longitudinal, S waves are transverse

c)

S waves are faster than P waves

d)

P waves travel only through liquids

87.

Which of the following is NOT a method of heat transfer?

a)

Convection

b)

Reflection

c)

Conduction

d)

Radiation

88.

What is the main purpose of a lever?

a)

To increase friction

b)

To store energy

c)

To generate electricity

d)

To change the direction of a force

89.

When a substance is heated, what generally happens to the movement of its particles?

a)

They move slower

b)

They stop moving

c)

They move in circles

d)

They move faster

90.

Which of the following is an example of a transverse wave?

a)

Light

b)

Sound

c)

Seismic P-waves

d)

Compressed spring

91.

Which simple machine is found in both a pair of scissors and a knife?

a)

Pulley

b)

Inclined plane

c)

Wedge

d)

Wheel and axle

92.

What happens to the speed of a wave if its frequency increases but the wavelength stays the same?

a)

It decreases

b)

It increases

c)

It stays the same

d)

It becomes zero

93.

Which of the following best describes kinetic energy?

a)

Energy stored in bonds

b)

Energy of motion

c)

Energy stored in food

d)

Energy from the sun

94.

Which of the following best explains why a rolling ball eventually stops on a flat surface?

a)

Because of gravity pulling it down

b)

Because of friction between the ball and the surface

c)

Because of the ball's inertia

d)

Because of air pressure

95.

Which simple machine is found in a pair of scissors?

a)

Lever

b)

Pulley

c)

Inclined plane

d)

Wheel and axle

96.

What property of a wave determines how loud a sound is?

a)

Wavelength

b)

Amplitude

c)

Frequency

d)

Speed

97.

Which of the following best describes potential energy?

a)

Energy of motion

b)

Stored energy due to position

c)

Energy released as heat

d)

Energy from chemical reactions

98.

Which subatomic particle is found in the nucleus of an atom and has a positive charge?

a)

Proton

b)

Electron

c)

Neutron

d)

Photon

99.

What is the chemical symbol for water?

a)

NaCl

b)

H2O

c)

CO2

d)

O2

100.

Which of the following is a mixture?

a)

Water (H2O)

b)

Pure gold (Au)

c)

Table salt (NaCl)

d)

Air

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