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Physical Science Physics Finals Review Quiz

Total questions: 122

Worksheet time: 3hrs 3mins

Name
Class
Date
1.
What does this graph represent?
a)
Constant Speed
b)
Acceleration
c)
Not moving
2.
What does this graph represent?
a)
Constant speed
b)
Acceleration
c)
Not moving
3.
Which runner had a head start?
a)
A
b)
B
c)
C
4.
What two measurements are necessary for calculating speed?
a)
Mass and time
b)
Temperature and mass
c)
Mass and distance
d)
Distance and time
5.
What is the formula to calculate speed?
a)
S = t/d
b)
S = d/t
c)
S = d x t
d)
S = t x d
6.
Which graph shows an object not moving?
a)
A
b)
B
c)
C
d)
D
7.

speed of an object in a particular direction

a)

motion

b)

velocity

c)

speed

d)

acceleration

8.

the rate at which speed or velocity changes

a)

acceleration

b)

average speed

c)

motion

d)

reference point

9.

What is happening at segment E?

a)

acceleration

b)

deceleration

c)

constant speed

d)

no motion/object at rest

10.

What is happening at segment B?

a)

acceleration

b)

deceleration

c)

constant speed

d)

no motion/object at rest

11.

At what speed would a car have to move in order to travel 20 kilometers in 2 hours.

a)

5 km/hr

b)

10 km/hr

c)

20 km/hr

d)

40 km/hr

12.

Rank the following from most to least momentum?


a = a cheetah with a mass of 67 kilograms running at a speed of 52 m/h


b = a bighorn sheep with a mass of 136 kilograms running at a speed of 18 m/h


c = a chimpanzee running at a speed of 25 m/h that has a mass of 54 kilograms

a)

a, b, c

b)

a, c, b

c)

b, a, c

d)

b, c, a

e)

c, b, a

13.

The momentum of an object depends upon the object's ___________&_____________.

a)

size and shape

b)

mass and speed

c)

mass and veloctiy

d)

mass and energy

14.
The equation to calculate momentum is
a)
p=mv
b)
p=1/2mv2
c)
p=mgh
d)
p=mg
15.

If I drop a large rock and a small rock from the same height at the same time, which one will hit the ground first?

a)

the large rock

b)

the small rock

c)

both will hit at the same time

16.

If you traveled to the moon you would __________.

a)

weigh more than you did on Earth

b)

weigh less than you did on Earth

c)

weigh the same as you did on Earth

d)

be killed by aliens

17.

Free fall is any motion of a body where ____ is the only force acting upon it.

a)

body attraction

b)

tension

c)

gravity

d)

velocity

18.
Which of the following is a testable hypothesis?
a)
Roses are more beautiful than violets 
b)
A plant needs at least five hours of sunlight per day to grow
c)
 Ice cream is delicious
d)
Humans will someday land on Mars 
19.
If you were running an experiment to determine the temperature at which beans sprout the fastest, what would be the independent (manipulated) variable? 
a)
The number of beans you plant 
b)
The height of the sprouts you grow
c)
The amount of water you give the beans
d)
The temperature at which each bean is kept
20.
Mrs. R sets up an experiment to see how the mass of a ball affects the distance it rolls off a ramp.  Identify the responding variable (dependent variable).
a)
height of the ramp
b)
 distance traveled by the ball
c)
mass of the ball
d)
weight of the ball
21.
A group of middle school students was given a short course in speed reading.  The teacher was curious of money could influence their performance on a test taken at the end of the course.  Half the students were offered $5 for a getting a certain percentage better at speed reading, the other half was offered no money.  Which is the dependent variable?
a)
Students being offered money or not.
b)
Their test  scores.
c)
Their age in school years.
d)
The length of the course.
22.

What should NOT be included in your evidence?

a)

Observations from an investigation.

b)

Numbers from your data table.

c)

Opinions about the scientific data.

23.

Why do you need to include reasoning in your CER?

a)

It shows how or why the evidence supports the claim

b)

It provides justification about why the evidence is important

c)

It includes the scientific principle to support the claim

d)

All of the above

24.

A crayon has a mass of 10.0 g and volume of 5.0 mL. What is the density?

a)

30 g/mL

b)

15 g/mL

c)

1.0 g/mL

d)

2.o g/mL

25.

54 km is equal to ______________ m.

a)

5,400

b)

54,000

c)

540

d)

.054

26.

How many millimeters are there in 1 centimeter?

a)

10 millimeters

b)

100 millimeters

c)

1,000 millimeters

27.

How many centimeters are there in 3 meters?

a)

30 centimeters

b)

300 centimeters

c)

3,000 centimeters

28.
Scott drives a Jeep 12 km east, then 4 km north, then finally 3 km west. He traveled a total distance of:
a)
5 km
b)
10 km
c)
13 km
d)
19 km
29.
Ivan walks 10 meters west to the water fountain, then runs 2 meters east to his class to avoid a lockout. His displacement would be:
a)
8 meters
b)
8 meters, east
c)
8 meters, west
d)
12 meters
30.

When a student runs and kicks a ball, they have applied an ___________ force to move the ball.

a)

Balanced

b)

Magnetic

c)

Spring

d)

Unbalanced

31.

What Unit do we Measure Force in?

a)

Newtons

b)

Joules

c)

Force

d)

Kilograms

32.

When there is a change in motion?

a)

When forces are balanced

b)

When the forces are unbalanced

c)

Whe forces are equal

d)

Never

33.

An object in motion will stay in motion and an object at rest will stay at rest unless acted upon by an outside force. Which law does this describe

a)

2nd law

b)

1st law

c)

3rd law

34.

Object tendency to resist change

a)

Friction

b)

Inertia

c)

Forcé

d)

Gravity

35.

What is another name for Newton’s 1st law?

a)

Law of Inertia

b)

Law of Acceleration

c)

Law of Action/Reaction

36.

A 20 kg bike accelerates at 10 m/s2. what was the force

F = m x a

a)

25 Newtons

b)

20 Newtons

c)

200 Newtons

d)

10 Newtons

37.

Newton's third law states that any action will have a(n) _______ and ______ reaction

a)

Equal and similar

b)

Equal and opposite

c)

Equal and different

d)

Greater and opposite

38.

Which of Newton's laws is shown

a)

1st law

b)

3rd law

c)

2nd law

39.

If there is a big mass, it would need a stronger force to accelerate it. Which law does this describe?

a)

3rd law

b)

1st law

c)

2nd law

40.
A magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
41.
The combination of all the forces acting on an object is the...
a)
net force
b)
action force
c)
reaction force
d)
balance force
42.
If these boys are pulling with the same amount of force.  What will happen?
a)
The boy in blue will win.
b)
They will not move at all.
c)
The boy in red will win.
d)
Both will fall down.
43.

Earth exerts a stronger gravitational force than the moon because Earth has more________.

a)

stuff

b)

mass

c)

density

d)

gravity

44.

The picture shows a weightlifter holding the barbell over his head.

The force of gravity pulling down on the barbell is 756 newtons.

How many newtons of force are exerted by the weightlifter to hold the barbell up?

a)

No Newtons

b)

756 Newtons

c)

368 Newtons

d)

14767 Newtons

45.

What force slows objects down and keeps them from moving?

a)

Acceleration

b)

Gravity

c)

Friction

d)

Net Force

46.
The momentum of an object depends upon the object's ___________&_____________.  
a)
size and shape
b)
mass and speed
c)
mass and veloctiy
d)
mass and energy
47.
In any collision (crash) the ______ is ALWAYS constant
a)
Total Momentum
b)
total speed
c)
total Velocity
d)
Energy
48.
When two objects collide, the Pbefore is ____________ the Pafter.
a)
more than 
b)
less than 
c)
equal to
d)
unrelated to
49.
A 50 kg ball rolls down the street at 5 m/s. Calculate the momentum of the ball. 
a)
55 kg*m/s
b)
100 kg*m/s
c)
250 kg*m/s
d)
500 kg*m/s
50.

Why do we feel weightlessness?

a)

we add more weight

b)

we lose weight

c)

absence of contact forces

51.
A person would weigh less on on the Moon than on the Earth because . . .
a)
Moon has more mass, and therefore more gravity
b)
Moon has less mass, and therefore more gravity
c)
Moon has more mass, and therefore less gravity
d)
Moon has less mass and therefore less gravity
52.

______ is explained as a push or pull motion

a)

Force

b)

Friction

c)

Gravity

d)

Weight

53.

Find the weight of a 5kg rock on Mercury with a gravitational pull of 3.59m/s/s.

a)

5kg

b)

17.95N

c)

1.39N

d)

0.718N

54.

Find the mass of a 5kg rock on Mercury with a gravitational pull of 3.59m/s/s.

a)

5kg

b)

17.95N

c)

1.39N

d)

0.718N

55.

Which formula would you use to calculate weight (Fg)?

a)

mass/gravity

b)

gravity/mass

c)

weight-mass

d)

mass x gravity

56.

Gravity depends on two things:_____ and _______.

a)

speed

b)

mass

c)

time

d)

distance

57.
Which represents the acceleration of the ball?
a)
A
b)
B
c)
C
d)
D
58.

Work causes a change in

a)

Sweat

b)

Energy

c)

Calories

d)

Force

59.
How much work is done in holding a 15 N sack of potatoes while waiting in line at the grocery store for 3 minutes?
a)
15 J
b)
45 J
c)
0 J
d)
5 J
60.
What is the unit of measurement for power?
a)
Joules
b)
Watts
c)
Voltage
d)
Calories
61.
Which situation is work not done?
a)
lifting a 20 pound box off the floor
b)
holding a 20 pound box above the floor
c)
sliding a 20 pound box across the floor
d)
sliding a 20 pound box up an inclined plane
62.
How do you calculate power?
a)
P = W/t
b)
P = E/t
c)
P = w * t
d)
P = bbq/chicken
63.
What is the formula for Kinetic Energy?
a)
PE = m*g*h
b)
KE = 1/2m*v2
c)
W = F*d
d)
P = W/t
64.

Where does the pendulum have the least amount of potential energy?

a)

A

b)

B

c)

C

d)

D

e)

E

65.

Where is the kinetic energy of pendulum at its highest?

a)

at the top of the swing

b)

at the bottom of the swing

c)

at 1/4 of the swing

d)

at 3/4 of the swing

66.

Where is kinetic energy at its maximum?

a)

a

b)

b

c)

c

d)

d

67.

A man of mass 50 kg jumps to a height of 1 m. His potential energy at the highest point is(g = 10 m/s2)

a)

(a) 500 J

b)

(b) 50 J

c)

(c) 5 J

d)

(d) 5000 J

68.

When an object is carried at a constant

velocity by a force,

a)

no work is done on the

object.

b)

the work done is maximum on the

object.

c)

the work is done minimum on the

object.

d)

the work done is 100 % on the

object.

69.

A boy pushes a book kept on a table by applying a force of 4.5 N. find the work done by the force, if book is displaced through 0.3 m along the direction of push

a)

1.10 J

b)

1.25 J

c)

1.35 J

d)

None

70.

The sum of kinetic and potential energy is called...

a)

sum energy

b)

nonmechanical energy

c)

mechanical energy

d)

space energy

71.

The total amount of energy

a)

varies

b)

can cancel out to zero

c)

goes out into space

d)

remains constant

72.

work is done when

a)

the object you apply a force on moves

b)

any force is applied to an object, regardless if it moves or not

c)

the force is zero

d)

the force and direction of motion are perpendicular

73.

What is the rate at which energy is converted?

a)

potential energy

b)

kinetic energy

c)

mechanical energy

d)

power

74.

The equation for work is

a)

W= fd

b)

W= fN

c)

W=mv

d)

W=wh

75.

Total energy = 200J
Useful energy = 20J

Workout the efficiency of this lightbulb.
efficiency = useful enegytotal energy in ×100efficiency\ =\ \frac{useful\ enegy}{total\ energy\ in}\ \times100  

a)

100%

b)

80%

c)

40%

d)

10%

76.

A kettle uses 100J of electrical energy to produce 7J of sound energy and 93J of thermal energy. How efficient is the kettle?

a)

100%

b)

7%

c)

93%

d)

95%

77.
You serve a volleyball with a mass of 2 kg. The ball leaves your hand with a speed of 30 m/s. What is the KE of the ball?
a)
900 J
b)
1800 J
c)
60 J
d)
30 J
78.
There is a bell at the top of a tower that is 45 m high. The bell weighs 100 kg. What is the potential energy of the bell?
a)
980 J
b)
441 J
c)
4,500 J
d)
44,100 J
79.
A car is traveling with a velocity of 40 m/s and has a mass of 1120 kg. What is the KE of the car?
a)
22,400 J
b)
44,800 J
c)
896,000 J
d)
1,792,000 J
80.
A 5000N block is lifted 10 m. How much work was done?
a)
50000 J
b)
5000 J
c)
500 J
d)
50 J
81.

The rate of electron flow in a circuit

a)

Voltage

b)

Resistance

c)

Current

d)

Power

82.

Opposition to the flow of electrons

a)

Current

b)

Voltage

c)

Resistance

d)

Power

83.

Energy used or gained across two points in a circuit

a)

Current

b)

Voltage

c)

Resistance

d)

Power

84.

Which of the following charge pairs would repel each other? (Choose all that apply)

a)

positive and negative

b)

negative and negative

c)

positive and positive

d)

negative and positive

85.
The unit for current is the 
a)
Volt
b)
Ohm
c)
Electron
d)
Amp
86.
What is the unit for resistance?
a)
Volts
b)
Amperes
c)
Ohms
87.
If the battery produced 12.6 Volts and what would be the current flow be for a 6 Ohm resistor
a)
2.1 Amps
b)
2.4 Amps
c)
1.71 Amps
d)
15 Amps
88.
What voltage is needed to cause a 2A current flow through a 10Ω resistor?
a)
5V
b)
0.2V
c)
20V
d)
200V
89.
Electricity that flows in a closed path is called a
a)
path
b)
current
c)
circuit
90.

What type of circuit is this?

a)

Series

b)

Parallel

c)

Simple

91.
What type of circuit is pictured?
a)
series
b)
parallel
92.

In a series circuit, how is the brightness of a light bulb affected when another bulb is connected?

a)

It gets brighter

b)

It stays the same

c)

It gets dimmer

d)

It goes out

93.

Two unlike charges_________

a)

Attract each other

b)

Neutralize each other

c)

Repel each other

d)

Have no effect on each other

94.
A material in which electrons are able to move easily
a)
Circuit
b)
Insulator 
c)
Resistance 
d)
Conductor 
95.

What energy changes take place to make a fan spin?

a)

Electrical energy changes to heat energy.

b)

Electrical energy changes to mechanical energy.

c)

Wind energy changes to electrical energy.

d)

Heat energy changes to mechanical energy.

96.

What is the energy conversion provided by a generator?

a)

thermal to electrical energy

b)

mechanical to electrical energy

c)

nuclear energy to mechanical

d)

thermal energy to mechanical energy

97.
What charge does a proton have?
a)
negative (-)
b)
positive (+)
c)
neutral or no charge (0)
98.
What charge does an electron have?
a)
negative (-)
b)
positive (+)
c)
neutral or no charge (0)
99.
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
100.
An object becomes charged when the atoms in the object gain or lose
a)
electrons
b)
protons
c)
neutrons
d)
all of the above
101.

Electric current moves from areas of positive charge to areas of _____________.

a)

positive charge

b)

negative charge

102.

What is one benefits of using a parallel circuit?

a)

It gets confusing.

b)

There are no problems.

c)

If one goes down, it does not affect theothers.

d)

It has no benefits

103.

What is one problem with using a series circuit?

a)

If one device goes down, they all go down!

b)

It doesn't work properly.

c)

It has a lot of series.

d)

There are no problems.

104.

Which does electric current flow naturally?

a)

insulators to conductors

b)

high-voltage areas to low-voltage areas

c)

low-voltage areas to high-voltage areas

d)

low-resistance areas to high-resistance areas

105.

What is the stanadard voltage difference of electrical energy entering homes in the US?

a)

220 V

b)

1200 V

c)

120 V

d)

12 V

106.
How many Volts would it take to push 1 Amp through a resistance of 1 Ohm
a)
10 volts
b)
1 volt
c)
48 volts
d)
5 volts
107.

A light bulb has a resistance of 7Ω with a potential difference of 21V across it. What is the current flowing through the light bulb?

a)

147 A

b)

28 A

c)

3A

d)

30A

108.

A light bulb has a resistance of 7Ω with a potential difference of 21V across it. What is the current flowing through the light bulb?

a)

147 A

b)

28 A

c)

3A

d)

30A

109.

Which equation can be used to calculate the resistance R of a resistor?

a)

V = I / R

b)

I = V x R

c)

R = V x I

d)

V = I x R

110.

What is the equation to calculate electric power?

a)

P = V÷I

b)

P = V x I

c)

P = I ÷ V

d)

P = V x R

111.

A circuit breaker is

a)

power factor correcting device

b)

a device to neutralize the effect of transients

c)

a waveform correcting device

d)

a current interrupting device.

112.

To prevent overload and overheating of wires

a)

fuses are used

b)

circuit breakers are used

c)

fuses and circuit breakers are used

d)

fuses and resistor are used

113.

The function of the circuit breaker is

a)

To safeguard the circuit

b)

On and off the circuit

c)

To save human life

d)

None of these

114.

Where is the force of a magnet the strongest?

a)

at the magnet's poles

b)

in the middle of the magnet

c)

far away from the magnet

115.

which of the following is magnetic?

a)

Iron

b)

Copper

c)

Plastic

d)

Wood

116.

Which metal is NOT magnetic?

a)

copper

b)

iron

c)

cobalt

d)

nickel

117.

Which of the following shows the magnetic field correctly around a bar magnet?

a)

Diagram A

b)

Diagram B

c)

Diagram C

d)

Diagram D

118.

We know the substance in the image is magnetized because ___.

a)

All the domains are at right angles to each other.

b)

All the domains are aligned.

c)

All the arrows are drawn in red.

d)

All the domains are not aligned.

119.

If you cut a bar magnet into 4 pieces, each piece will

a)

be either a North or South Pole

b)

no longer be magnetic

c)

still be a complete magnet

120.
Magnetic NORTH is actually geographic _________
a)
SOUTH
b)
NORTH
c)
EAST
d)
WEST
121.
Magnets stick to any materials that are made of
a)
Iron, Nickel, Copper
b)
Iron, Nickel, Cobalt
c)
Ions, Nickel, Cobalt
d)
Iron, Lead, Cobalt
122.

If you break a magnet in half you will have created.

a)

1 north and 1 south magnet

b)

2 new magnets

c)

2 demagnetized magnets

d)

1 giant magnet