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1st Semester Phys Science 9 Practice Test

Total questions: 110

Worksheet time: 4hrs 44mins

Name
Class
Date
1.

What is energy?

a)

moving energy

b)

stored energy

c)

renewable energy

d)

The ability to do work.

2.

What is potential energy?

a)

moving energy

b)

stored energy

c)

renewable energy

d)

non renewable energy

3.

What is kinetic energy?

a)

moving energy

b)

potential energy

c)

stored energy

d)

renewable energy

4.

units of force are

a)

newtons

b)

grams

c)

joules

d)

meters

5.

units for work are

a)

newtons

b)

joules

c)

meters

d)

seconds

6.

if you push a cart with a force of 60 N for 2 m... how much work have you done

a)

120 J

b)

30 J

c)

120 N

d)

30 N

7.
What is the formula for work?
a)
Force = work x distance
b)
Distance = force x work
c)
Work = force x distance
d)
Work = force x mass
8.
You do 90 joules of work in 30 seconds. How much power have you generated?
a)
30 watts
b)
3 watts
c)
120 watts
d)
270 watts
9.

At which point of the roller coaster is potential energy the greatest?

a)

W

b)

X

c)

Y

d)

Z

10.

The faster an object moves, the ________ kinetic energy it has.

a)

more

b)

less

11.

Identify the type of energy

a)

Thermal energy

b)

Sound energy

c)

Mechanical energy

d)

Electrical energy

12.

Identify the type of energy

a)

Electrical Energy

b)

Mechanical energy

c)

Sound energy

d)

Thermal energy

13.

Can the electricity go through ?

a)

Yes.

b)

No, because it is open.

c)

Yes, because it is closed.

14.

What is this?

a)

Light bulb

b)

Battery

c)

Switch

d)

Wire

15.

Choose the type of energy

a)

Sound

b)

Thermal

c)

Electrical

d)

Chemical

16.

The _______________ is transformed into electrical energy inside the battery.

a)

Chemical energy

b)

Sound energy

c)

Kinetic energy

d)

Sun energy

17.

At what point does the biker have the greatest Kinetic Energy?

a)

Point A

b)

Point B

c)

Point C

d)

Point D

18.

At what point does Potential Energy transform into Kinetic Energy?

a)

Point A

b)

Point B

c)

Point C

d)

Point D

19.

Which Apple has the greatest Gravitational Potential Energy?

a)

Apple A

b)

Apple B

c)

Apple C

d)

Apple D

20.
According to the Law of Conservation of Energy, energy cannot be _________ or ____________. 
a)
destroyed, destroyed
b)
created, saved
c)
created, destroyed
d)
lost, found
21.
Can you create energy?
a)
Yes
b)
No
22.

Potential energy depends on ______ and _______.

a)

height, mass

b)

weight, mass

c)

speed, mass

d)

height, speed

23.

Kinetic energy depends on_________ and _________.

a)

speed and mass

b)

speed and height

c)

height and mass

d)

energy and height

24.
What kind of energy is in a rock at the edge of a cliff?
a)
Potential
b)
Kinetic
c)
Both potential and kinetic energy
d)
none of the above
25.
What is a closed path for electrons to flow through?
a)
static electricity
b)
circuit
c)
amperes
26.
Electricity is the flow of _________.
a)
protons
b)
neutrons
c)
electrons
27.
What type of circuit is pictured?
a)
series
b)
parallel
28.

is the opposition to the flow of charges in a material.

a)

Resistance

b)

Voltage

c)

Time

d)

Current

29.

What would happen if in a circuit, the resistance increases but the voltage stays the same?

a)

The current would decrease

b)

The current would increase

c)

The voltage would decrease

d)

The voltage would increase

30.

What would happen if in a circuit the voltage is increase?

a)

The time would increase

b)

The current would increase

c)

The current would decrease

d)

The current would stay the same

31.

If lamp 2 is unscrewed from its holder, what will happen to lamp1?

a)

It will stay lit

b)

It will go out

c)

It will get dimmer

d)

It will dissapear

32.
this circuit is .....?
a)
open
b)
parallel
c)
closed
d)
The cutest little circuit evah!
33.
What size resistor would produce a 3 Amp current flow with a 12 Volt battery
a)
1 Ohm
b)
3 Ohms
c)
4 Ohms
d)
12 Ohms
34.
What is current measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
35.
What is resistance measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
36.
The mathematical relationship among Voltage, Current, and Resistance
a)
Faraday's Law
b)
Tesla's Law
c)
Edison's Law
d)
Ohm's Law
37.
If you want to change the pitch of a sound, you have to change the ___
a)
frequency
b)
amplitude
c)
speed
d)
volume
38.
What is a pitch?
a)
highness or lowness of a sound
b)
the intensity of a vibration
c)
the amplitude of the sound wave
d)
volume of sound
39.

Bats use ________ to locate mosquitoes in the air.

a)

solar

b)

ecology

c)

echolocation

d)

refraction

40.
The number of wavelengths that pass a point each second
a)
frequency
b)
wavelength
c)
pitch
d)
amplitude
41.
When a sound is louder what measurement gets bigger?
a)
Frequency 
b)
Amplitude 
c)
Wavelength 
d)
Crest
42.
A disturbance that travels through a medium as a longitudinal wave
a)
sound
b)
wavelength
c)
pitch
d)
frequency
43.
A wave in which the vibration is in the same direction as that in which the wave is traveling; sound waves
a)
longitudinal wave
b)
ocean wave
c)
transverse wave
d)
mechanical wave
44.
What states that "every object in the universe attracts every other object"?
a)
Law of Universal Gravitation
b)
Newton's First Law of Motion
c)
My mother
d)
Inertia & gravity
45.
The law of universal gravitation is credited to whom?
a)
Einstein
b)
Galileo
c)
Darwin
d)
Newton
46.
Two factors effecting the magnitude of the force of gravity between 2 objects are...
a)
mass and distance 
b)
mass and matter
c)
distance and weight 
d)
weight and mass
47.
Gravity attracts all objects towards one another.
a)
False
b)
True
c)
It depends
48.
Complete the following statement: The farther away two planets are the _______ the gravitational force between them.
a)
more
b)
same
c)
dosen't matter
d)
less
49.

Which configuration will result in the greatest gravitational force?

a)

small masses far apart

b)

large masses far apart

c)

small masses close together

d)

large masses close together

50.

Which one of Newton's laws are displayed

a)

2nd law

b)

1st law

c)

3rd law

51.

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

52.

What force slows objects down and keeps them from moving?

a)

Acceleration

b)

Gravity

c)

Friction

d)

Net Force

53.

What force is acting on the cat at the end?

a)

Gravity

b)

Friction

c)

Momentum

54.

What happens to the apple?

a)

momentum

b)

energy transfer

c)

net force

55.
What is a PUSH or PULL of an object?
a)
Motion
b)
Force
c)
Friction
d)
Gravity
56.
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.
57.
a)
1st
b)
2nd
c)
3rd
58.
What is the net force
a)
10 N
b)
0 N
c)
25 N
d)
1 N
59.

The measure of the gravitation force exerted by Earth on an object is the object's_________.

a)

weight

b)

mass

c)

gravity

60.

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

a)

stuff

b)

mass

c)

density

d)

gravity

61.

An object that is in free fall seems to be __________________.

a)

weightless

b)

not moving

c)

air resistance

62.

Acceleration due to gravity is:

a)

.98 m/s^2

b)

98 m/s^2

c)

9.8 m/s^2

d)

980 m/s

63.

The maximum speed an object will reach when falling through a substance.

a)

air resistance

b)

gravity

c)

terminal velocity

d)

acceleration

64.

A 50 kg skater pushed by a friend accelerates 5 m/s2. How much force did the friend apply?

a)

250 N

b)

10 N

c)

250 kg

65.

The mass of a car is 1000 kg. How much force would be required to accelerate the car at a rate of 3 m/s2?

a)

3000 N

b)

300N

c)

333.3 N

66.
A crumpled piece of paper hits the ground before a flat sheet of paper because
a)
the acceleration of gravity is greater on the  crumpled paper.
b)
there is more air resistance against the flat paper.
c)
the crumpled paper is more massive
d)
the crumpled paper is less massive.
67.
Which of the following explains the difference between speed and velocity?
a)
One has motion, and the other does not.
b)
One has direction, and the other does not.
c)
One involves time, and the other does not.
d)
One involves acceleration, and the other does not.
68.
"For every action, there is an equal and opposite reaction."
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
69.
Force = Mass x Acceleration
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
70.
The tendency of an object to resist changes in its motion is...
a)
inertia
b)
force
c)
acceleration
d)
velocity
71.
Any push or pull on an object.
a)
force
b)
velocity 
c)
inertia
d)
momentum
72.
The force that opposes motion between two surfaces in contact with each other.
a)
inertia
b)
friction
c)
momentum
d)
gravity
73.
A force that opposes motion between a surface in contact with the atmosphere.
a)
air resistance
b)
gravity
c)
momentum
d)
terminal velocity
74.
The combination of all the forces acting on an object is the...
a)
net force
b)
action force
c)
reaction force
d)
balance force
75.
You push against a wall and the wall is pushing back on you.
a)
Newton's
1st
Law of Motion
b)
Newton's
2nd
Law of Motion
c)
Newton's
3rd
Law of Motion
76.
An automobile you are riding in suddenly stops, but you continue to go forward.
a)
Newton's
1st
Law of Motion
b)
Newton's
2nd
Law of Motion
c)
Newton's
3rd
Law of Motion
77.
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
d)
None of them
78.

An archer pulls the bowstring back, then releases the string and the arrow flies forward. Pulling the string back is the...

a)

action force

b)

reaction force

c)

net force

d)

inertia

79.

When two equal forces act in opposite directions on an object, they are called ______________________.

a)

frictional force

b)

balanced force

c)

centripetal force

d)

gravitational force

80.

What is the acceleration of a 50 kg object pushed with a force of 500 newtons?

a)

100 m/s2

b)

25,000 m/s2

c)

10 m/s2

d)

25 m/s2

81.

A cannonball with a mass of 0.5 kg is flying at an acceleration of 10 m/sec/sec. What is its force?

a)

50 Newtons

b)

5 Newtons

c)

20 Newtons

d)

9.5 Newtons

82.

___ refers to how fast an object is moving.

a)

Speed

b)

Velocity

c)

Acceleration

d)

Motion

83.

___ refers to the rate at which an object changes position.

a)

Speed

b)

Velocity

c)

Acceleration

d)

Motion

84.

Which two factors does speed depend on?

a)

distance and direction

b)

direction and time

c)

distance and time

d)

distance, time and direction

85.

What two factors does velocity depend on?

a)

speed and direction

b)

distance and time

c)

speed and time

d)

distance and direction

86.

Which is an example of velocity?

a)

A car driving 55 miles per hour south.

b)

A bicyclist traveling 10 meters per hour.

c)

A roller coaster is traveling 10 meters per second.

d)

A rocket blasting off at 2,500 meters per second.

87.

Speed or Velocity?:

A turtle is crawling 34 cm/min.

a)

Speed

b)

Velocity

c)

Neither

d)

Both

88.

Speed or Velocity?:

A train is travelling North 220 km/hr

a)

Speed

b)

Velocity

c)

Neither

d)

Both

89.

Acceleration is a speeding up, slowing down or a change in direction. Is the following acceleration and if so, which one?


A swimmer has 10 meters left in the race and he is neck-in-neck with his competitor. He has a surge of adrenaline and pulls ahead to win.

a)

Yes, this is acceleration since the swimmer starts to speed up to pull ahead.

b)

Yes, this is acceleration since the swimmer uses the wall to change directions.

c)

No, this is not acceleration since there is no speeding up, slowing down, or change in direction.

90.

Ben makes five paper helicopters with different wing lengths. He drops them the same way from a height of two meters for five trials each. He records the amount of time it takes for each helicopter to fall to the ground.

What is the independent variable?

a)

Dropping the same way

b)

Wing Length

c)

Amount of time it takes the helicopter to hit the floor

d)

Dropping from the same height

91.

Cindy wanted to find out how the amount of sunlight affects the growth of plants. She placed two tomato plants in 10 inch pots with potting soil and watered them ¼ cup each day. One plant was placed under a cardboard box and one was placed in the sunlight. She measured the growth of the plant each week for three weeks.

What is the dependent variable?

a)

Using the same type of plant

b)

Each plant was placed in a 10 inch pot

c)

The growth of the plant

d)

One plant is in the sunlight and the other is under a box

92.

The one factor that a scientist changes during an experiment. (It affects the results of the experiment).

a)

Controlled Variable

b)

Dependent Variable

c)

Independent Variable

93.

The variable that is measured. It is the result of the experiment.

a)

Controlled Variable

b)

Dependent Variable

c)

Independent Variable

94.

The factors that stay the same throughout the experiment.

a)

Constant

b)

Dependent Variable

c)

Independent Variable

95.

Why is it important to have only one independent variable and to control the other variables when performing science experiments?

a)

So you can tell which factor is causing the change in the experiment and get more accurate results

b)

It does not matter, you can have as many independent variables as you want.

c)

None of these answers are correct

96.

Cindy wanted to find out how the amount of sunlight affects the growth of plants. She placed two tomato plants in 10 inch pots with potting soil and watered them ¼ cup each day. One plant was placed under a cardboard box and one was placed in the sunlight. She measured the growth of the plant each week for three weeks.

What is the independent variable?

a)

Using the same type of plant

b)

Each plant was placed in a 10 inch pot

c)

The growth of the plant

d)

One plant is in the sunlight and the other is under a box

97.

The SI unit for measuring length is the __________.

a)

meter

b)

kilogram

c)

liter

d)

Newton

e)

second

98.

The SI unit for mass is the ___________.

a)

meter

b)

kilogram

c)

liter

d)

second

e)

Newton

99.

The SI unit for volume is the __________.

a)

meter

b)

kilogram

c)

liter

d)

second

e)

Newton

100.

The SI unit for time is the __________.

a)

meter

b)

kilogram

c)

liter

d)

second

e)

Newton

101.

Convert 43 m to cm.

a)

4,300 cm

b)

0.43 cm

c)

43,000 cm

d)

0.0043 cm

102.

Convert 2.2 kg to mg.

a)

2,200,000 mg

b)

0.0000022 mg

c)

2,200 mg

d)

0.0022 mg

103.

Convert 8,562 cm to km.

a)

0.08562 km

b)

8,562,000 km

c)

8.562 km

d)

85,620 km

104.

Convert 0.75 L to mL.

a)

750 mL

b)

75 mL

c)

75,000 mL

d)

0.0075 mL

105.
This variable in an experiment is the one being deliberately changed by the scientist. 
a)
dependent variable
b)
independent variable
c)
data
d)
control group
106.
What is the first step in the scientific method?
a)
Make an observation --> Question
b)
Design and conduct an experiment
c)
Make an hypothesis
d)
Share your results
107.
An experiment is performed on plants to see how different liquids affect plant growth. Each plant in the experiment is given a different liquid: water, apple juice, or milk. Each plant has the same amount of soil, sunlight, and listens to the same music. In this investigation, the independent variable is ...
a)
The type of plant
b)
The amount of sunlight
c)
The type of music
d)
The type of liquid
108.
The summary at the end of an experiment that explains the results is... 
a)
conclusion
b)
procedures
c)
materials
d)
responding variable
109.
A testable prediction about a scientific investigation is a(n)
a)
Question
b)
Observation
c)
Hypothesis
d)
Experiment
110.
How many variables should be tested at a time?
a)
Three
b)
Zero
c)
Two
d)
One

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