wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Unit 1-3 Science Review

Total questions: 125

Worksheet time: 2hrs 14mins

Name
Class
Date
1.
If a 10 kilogram object accelerates suddenly at 15 m/s^2, how much force was applied to the object?
a)
150 Newtons
b)
15 Newtons
c)
150 kilograms
d)
100 kilograms
2.
If a force of 50 Newton's was applied to an object with a mass of 500 grams, what will the object's acceleration be?
a)
10 m/s^2
b)
.1 m/s^2
c)
100 m/s^2
d)
1 m/s^2
3.
A 20 kg bike accelerates at 10 m/s2.  what was the force?
a)
25 Newtons
b)
20 Newtons
c)
200 Newtons
d)
10 Newtons
4.
What is the formula for force?
a)
F=M/A
b)
F=A/M
c)
F=M*A
d)
F=M*F
5.
Unit of mass
a)
m/s 2
b)
m/s
c)
newtons
d)
kg
6.

When a cannon fires a cannonball we observe Newton's third law. Which force is the reaction force?

a)

The cannon moving forward

b)

The cannonball moving forward

c)

The cannon moving backward

d)

The cannonball moving backward

7.
Which of Newton's laws are illustrated with a rocket launch?
a)
1st Law, the Law of Inertia. 
b)
2nd Law, the Law of Acceleration.
c)
3rd Law, the Law of Action Reaction
d)
The Law of Conservation of Mass
8.
What is the net force?
a)
17 N Right
b)
3 N Right
c)
3 N Left
d)
17 N Left
9.

What is the Net Force and the direction of the object's movement as a result of the net force?

a)

2N, Right

b)

0N, Left

c)

3N, Right

d)

4N, Left

10.

This object would be moving (pick all that are correct):

a)

up

b)

down

c)

left

d)

right

11.
Which one is balanced?
a)
top
b)
bottom
c)
both
12.
Is it BALANCED? 
a)
Yes
b)
No
13.

What is the NET FORCE of this diagram?

a)

17 N, right

b)

17 N, left

c)

23 N, right

d)

12 N, up

14.

Calculate the net force acting upon the object.

a)

10 N right

b)

0 N

c)

14.1 N right

d)

20 N up

15.

Match the description to the graph:

"The car is stopped."

a)
b)
c)
d)
16.

Analyze the Position Time graph, and select the choice that describe the motion of the object during interval BC.

a)

The Object Is At Rest

b)

The Object is Moving in Negative Direction back to start

c)

The Object is Moving in Positive Direction back to start

d)

The Object is Moving to the Right

17.

Segment C-D The bus is _________________.

a)

at rest

b)

returning (to original position)

c)

moving forward

18.

Segment E-F The bus is _________________.

a)

at rest

b)

returning (to original position)

c)

moving forward

19.

what is shown by the velocity time graph given below?

a)

no velocity

b)

constant velocity

c)

acceleration

20.

What is shown in this velocity time graph?

a)

Negative velocity

b)

negative acceleration

c)

negative displacement

21.

By analyzing the pattern in the graph, which of Newton’s laws is best represented by this data? Why?

a)

Newton’s 3rd law because each action has an equal and opposite reaction.

b)

Newton’s 2nd law because each action has an equal and opposite reaction.

c)

Newton’s 1st law because of acceleration

d)

Newton’s 3rd law because of inertia.

22.

According to Newton's Laws of Motion, explain what will happen if you pull back two spheres and release them.

a)

Two spheres on the opposite side will move outward.

b)

Four spheres on the opposite side will move outward.

c)

One sphere on the opposite side will move outward.

d)

Three spheres on the opposite side will move outward.

23.

Which object is ahead after one second?

a)

Object A

b)

Object B

c)

They are tied

24.
What is the formula for force?
a)
F=M/A
b)
F=A/M
c)
F=M*A
d)
F=M*F
25.
Unit of mass
a)
m/s 2
b)
m/s
c)
newtons
d)
kg
26.
What is Newton's First Law known as? The Law of
a)
Friction
b)
Mass
c)
Inertia
d)
Gravity
27.
A rocket pushes exhaust 10, 000 N. Without any other forces acting on the rocket, how much force does the rocket go forward?
a)
15,000 N
b)
1,000 N
c)
10, 000 N
28.
An archer shoots an arrow. The action force is the bowstring against the arrow, the reaction force is...
a)
Air resistance against the bow
b)
the arrow's push against the bowstring
c)
the grip of the archer's hand on the bow
29.

What is Newtons first law of motion?

a)

An object can only move if it is kicked upon with force.

b)

An object in motion will stay in motion until the object is acted upon.

c)

For every action there is a equal and opposite re-action.

d)

Its not this one.

30.
The tendency of an object to resist change in motion.
a)
Force
b)
Motion
c)
Friction
d)
Inertia
31.

The ferromagnetic elements are

a)

iron, aluminum, and Nickel

b)

Iron, Copper, Nickel

c)

Iron, cobalt, and Aluminum

d)

Iron, Cobalt, and Nickel

32.

Which type of magnet produces a field that is similar to Earth's magnetic field?

a)

Horseshoe Magnet

b)

Bar Magnet

c)

Circle magnet

d)

Temporary Magnet

33.

Galvanometers detect...

a)

Electrical current

b)

Magnetism

c)

Wind Speed

d)

Attraction

34.

The relationship between electricity and magnetism is known as __________________?

a)

Electromagnetism

b)

Solenoid

c)

Magnetic induction

d)

Magnetic field

35.

What is static electricity?

a)

a shock on a material

b)

A charge caused by a current in a wire

c)

the electric charge at rest on an object

d)

caused by magnets

36.

What type of poles will ATTRACT?

a)

Like Poles

b)

Opposite Poles

37.

When a magnet passes through a solenoid during induction, what is produced?

a)

Electric current and a magnetic field

b)

electric current only

c)

magnetic field only

d)

none of the above

38.

What converts electrical energy to mechanical energy?

a)

Motor

b)

Generator

c)

Magnet

d)

Electromagnet

39.

When you sprinkle iron filings over a magnet, what becomes visible?

a)

Magnetic field lines

b)

Electric current

c)

domains

d)

poles

40.

What is the flow of electrons called?

a)

Electric current

b)

magnetism

c)

Electromagnetism

d)

resistance

41.

To increase the strength of an electromagnet I can......

a)

decrease the number of wraps in the solenoid

b)

use an aluminum nail for the core

c)

reduce the current

d)

increase the number of wraps in the solenoid

42.

The process of creating an electrical current in a wire by moving a magnet is called?

a)

Electromagnetic Induction

b)

magnetic field

c)

Step-up transformer

d)

Solenoid

43.

What is this an image of?

a)

electromagnet

b)

generator

c)

transformer

d)

Motor

44.

A closed loop that goes from one battery terminal to the other and allows a current to flow through it.

a)

Electric Circuit

b)

wire

c)

transformer

d)

solenoid

45.

CHOOSE TWO: How can we increase the speed of the electric motor shown?

a)

Use a stronger magnet

b)

smaller magnets

c)

Increase the number of coils in the solenoid

d)

Fewer magnets

46.

Which of the following induces an electric current in a wire?

a)

Moving a magnet into a coil

b)

None of these

c)

Turning a loop of wire between the poles of a magnet

d)

Moving a wire between the poles of a magnet.

47.

The law of electric charges states - like charges _______ and opposite charges _________.

a)

attract; repel

b)

repel; attract

c)

increase; decrease

d)

decrease; increase

48.

The following image is a.....

a)

Transformer

b)

Generator

c)

Motor

d)

Galvanometer

49.

What is the difference between a permanent magnet and electromagnets?

a)

Permanent magnets only produce a magnetic field

b)

Electromagnets can be turned off/on and permanent magnets cannot

c)

They both exert contact forces

d)

Temporary magnets do not exist

50.

What is the strongest part of a magnet?

a)

Poles

b)

Middle

c)

Bottom

d)

top

51.

What happens to a magnet that is cut in half?

a)

It is no longer a full magnet

b)

It is two smaller magnets

c)

It loses its North pole

d)

It loses its South pole

52.

A type of material in which electricity flows very easily (metal, water).

a)

Conductor

b)

Insulator

53.

Hikers often use a compass and a map to determine their location. The needle on a compass moves and aligns with the magnetic field of Earth because the needle is magnetized. Which action most likely affects the accuracy of a compass?

a)

changing hiking speed

b)

moving to a high altitude

c)

changing hiking speed and direction

d)

moving close to overhead electrical power lines

54.

What could you detect by using a compass, iron filings, and iron objects?

a)

Atoms

b)

Gravity

c)

Electricity

d)

Magnetic field

55.

Which of the following could be used as the core of a simple electromagnet?

a)

pencil

b)

drinking straw

c)

iron nail

d)

aluminum foil

56.

A coil of wire that has a soft iron core and that acts as a magnet when an electric current is in the coil is called a(n)

a)

ferromagnet.

b)

electromagnet.

c)

generator

d)

transformer

57.

Increasing the electric current in the wire is one way to

a)

strengthen a solenoid’s magnetic field.

b)

weaken a solenoid’s magnetic field.

c)

make a solenoid become an electromagnet.

d)

make an electromagnet become a solenoid.

58.

Which of the following electromagnets would have the strongest magnetic field?

a)

A

b)

B

c)

C

d)

D

59.

Which type of magnet is a temporary magnet.

a)
b)
c)

both

60.

Which diagram best demonstrates how the student can use the magnet and wire coil to produce electricity?

a)
b)
c)
d)
61.

A generator converts ______ into ______.

a)

Electrical energy, mechanical energy

b)

mechanical energy, electrical energy

c)

electrical energy, solar energy

d)

Solar energy into electrical energy

62.

Which electromagnet would be stronger?

a)

Left

b)

Right

63.

What type of device is shown?

a)

Electromagnet

b)

motor

c)

generator

d)

Electromagnetic induction

64.

What type of process is shown?

a)

Electromagnet

b)

Electric motor

c)

Electric generator

d)

Electromagnetic induction

65.
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
66.
How do you make an electromagnet stronger?
a)
Add a motor and/or lightbulbs
b)
Add more light bulbs and/or wire coils
c)
add more wire coils and/or a switch
d)
add more wire coils and/or batteries
67.

If the needle on a galvanometer is not moving this means there is no _______ _________

a)

Electrical current

b)

Magnetic field lines

c)

Gravitational field

d)

Quantum Field

68.

Which lightbulb will have the greatest electrical current induced?

a)

A

b)

B

c)

C

d)

D

69.
How could the experimenter increase the amount of electricity being induced by this experiment?
a)
Increase the number of coils
b)
Decrease the number of coils
c)
Flip the magnet around
d)
Nothing, the amount of electricity cannot be increased
70.

What type of energy does a generator produce?

a)

Electrical

b)

gravitational

c)

Magnetic

d)

No force

71.

What converts electrical energy into mechanical energy?

a)

Electric Motor

b)

Generator

72.

What does a power plant use to produce electricity?

a)

Generators

b)

Electric motors

73.

What type of input does a generator require to produce electricity?

a)

Mechanical

b)

Electrical

c)

Magnetic

d)

Gravitational

74.

What happens when you increase the size of the core in an electromagnet?

a)

The strength of the magnetic field increases

b)

The strength of the magnetic field decreases

c)

The strength of the magnetic field remains the same

d)

Nothing would occur.

75.

What happens to the magnetic field lines if you reverse the electrical current?

a)

The direction of the magnetic field lines will reverse

b)

The direction of the magnetic field lines will remain the same

c)

Nothing will occur

76.

What is the action between the magnets?

a)

Attraction

b)

Repulsion

77.

What is occurring between these two magnets?

a)

Attraction

b)

Repulsion

78.

What is the polarity of the magnets shown?

a)

North / North

b)

South / South

c)

North / South

79.

According to the chart, if you rub a piece of plastic wrap in your hair what will the charge be on your hair?

a)

Positive charge

b)

negative charge

c)

neutral charge

d)

nothing will change

80.

According to the chart, if you rub a piece of plastic wrap in your hair what will the charge of the plastic wrap be?

a)

Positive charge

b)

negative charge

c)

neutral charge

d)

nothing will change

81.

A type of material in which electricity does NOT flow very easily (rubber, plastic, wood).

a)

Conductor

b)

Insulator

82.

Which method do animals like bats, dolphins, whales, and humans use to navigate, hunt, identify prey, and avoid obstacles?

a)

Echolocation

b)

Binary Code

c)

Refraction

d)

Diffraction

83.

Echolocation uses sound waves. These mechanical waves requires a (a)   to travel through

Choose from the below words
Medium
Vacuum
Refraction
Diffraction
84.

Mechanical waves must have a (a)   to travel

Choose from the below words
Medium
Vacuum
Diffraction
Solid
85.

Which surface shows reflection?

a)

Surface A

b)

Surface B

c)

Surface C

86.

Which surface shows absorption?

a)

Surface A

b)

Surface B

c)

Surface C

87.

Which surface shows refraction?

a)

Surface A

b)

Surface B

c)

Surface C

88.

What is the measurement of the wavelength?

a)

8 cm

b)

10 cm

c)

4 cm

d)

6 cm

89.

What is the measurement of the amplitude?

a)

10 cm

b)

2 cm

c)

3 cm

d)

6 cm

90.

Which type of wave is B

a)

Digital

b)

Analog

91.

What type of wave behavior is used in echolocation?

a)

Reflection

b)

Absorption

c)

Refraction

d)

Diffraction

92.

Identify the wave part: (a)  

Choose from the below words
crest
trough
compression
refraction
93.

Identify the wave part

a)

crest

b)

trough

c)

compression

d)

refraction

94.

Identify the wave measurement: (a)   .

Choose from the below words
frequency
amplitude
interference
wavelength
95.

Identify the wave measurement.

a)

frequency

b)

amplitude

c)

interference

d)

wavelength

96.

Identify the wave type: (a)   .

Choose from the below words
compressional
electronic
transverse
97.

Label the parts of the wave

a)

Crest

b)

Trough

1
2
1)
2)
98.

Identify the wave type: (a)   .

Choose from the below words
compressional
electromagnetic
transverse
99.

Which wave has the highest frequency?

a)

1

b)

2

c)

3

100.

These waves differ in their ___.

a)

amplitude

b)

wavelength

c)

type

101.

Number of wavelengths passing a point per second is (a)  

Choose from the below words
frequency
wavelength
pitch
amplitude
102.

A wave in which the vibration is in the same direction as the wave is traveling, such as sound waves

a)

longitudinal wave

b)

ocean wave

c)

transverse wave

d)

mechanical wave

103.

The part of a longitudinal wave where particles are close together.

a)

rarefaction

b)

compression

c)

crest

d)

trough

104.

A reflected sound wave is called (a)  

Choose from the below words
frequency
pitch
echo
rarefaction
105.

What is the definition of Refraction?

a)

The bending of waves as they enter a new medium

b)

Two interfering waves with opposite displacement, crest and trough overlap, zero amplitude

c)

Two interfering waves with same displacement, two crests and two troughs overlap, increased amplitude

106.

Which figure represents reflection?

a)

A

b)

B

c)

C

d)

D

107.

What represents refraction?

a)

A

b)

B

c)

C

d)

D

108.

The orca locates food using waves through (a)   .

Choose from the below words
Refraction
Reflection
Absorption
Transmission
109.

What type of wave is B?

a)

Digital

b)

Analog

110.
You and your father inspect an empty house with the hopes of buying it. You walk through the rooms talking to one another, and you notice that your voices and footsteps are echoing in the big, empty house. What causes the echo?
a)
sound waves reflecting off smooth, flat surfaces throughout the house
b)
sound waves moving around the large rooms
c)
sound waves moving slowly through air
d)
sound waves refracting around corners in the empty rooms
111.
As the fire truck approached Mary, the pitch of the siren got higher. Once the fire truck passed and moved away, the siren's pitch got lower. This change in pitch is because of a change in the sound wave's
a)
concussion. 
b)
amplitude. 
c)
reflection.
d)
frequency. 
112.
When the car moves AWAY from you, its horn seems...
a)
Low pitched
b)
High pitched
c)
Normal
113.
When an ambulance move TOWARD you it sounds ________ pitched. 
a)
high
b)
low
c)
medium
114.
What can you tell about this object's motion?
a)
Moving to the North (up).
b)
Moving to the South (down). 
c)
Moving to the West (left). 
d)
Moving to the East (right). 
115.

What is the definition of Refraction?

a)

The bending of waves as they enter a new medium

b)

When two interfering waves have a displacement in the opposite direction, crest and trough overlap. Zero amplitude.

c)

When two interfering waves have a displacement in the same direction, two crests and two troughs overlap. Increased amplitude.

116.
Which has the LONGEST wavelength and, therefore, the lowest frequency/energy
a)
Gamma Rays
b)
Radio Waves
c)
Visible Light
d)
Infrared rays
117.
Which section of the spectrum is the ONLY one we can see?
a)
X-rays
b)
Visible Light
c)
Gamma Rays
d)
Ultraviolet Rays
118.
Which has the SHORTEST wavelength and, therefore, the highest frequency/most energy
a)
Radio waves
b)
Ultraviolet Rays
c)
Gamma Rays
d)
X-rays
119.

Material that allows light to pass through allowing you to see "clearly" to the other side.

a)

opaque

b)

translucent

c)

transparent

120.

Wax paper or a foggy window is an example of what type of material?

a)

transparent

b)

translucent

c)

opaque

121.

Why does an apple look red?

a)

because it absorbs red light and reflects white light

b)

because it absorbs red light waves and reflects the others

c)

because it absorbs all colors of light

d)

because it reflects red light waves and absorbs the others

122.

Which type of electromagnetic waves include cell phones, radar, and microwaves?

a)

Micro

b)

Infrared

c)

X-

d)

Gamma

123.

Some animals use this to navigate and hunt

a)

frequency

b)

ecolocation

c)

vibration

124.

Label the Correct Parts of the Wave

a)

Crest

b)

Trough

c)

Wavelength

d)

Amplitude

1
2
3
4
1)
2)
3)
4)
125.
What kind of wave is pictured?
a)
Transverse
b)
Longitudinal
c)
surface
d)
none of the above

Similar Resources on Wayground

Science Study Packet

122 questions

Science Study Packet

quiz

Worksheet

•

7th Grade - Professio...

ವಿದ್ಯುತ್ ಪ್ರವಾಹದ ಕಾಂತೀಯ ಪರಿಣಾಮಗಳು

124 questions

ವಿದ್ಯುತ್ ಪ್ರವಾಹದ ಕಾಂತೀಯ ಪರಿಣಾಮಗಳು

quiz

Worksheet

•

8th - 10th Grade

Scientific Thinking Skills Review For Final

124 questions

Scientific Thinking Skills Review For Final

quiz

Worksheet

•

6th - 12th Grade

Trimester 1 Review 2024

120 questions

Trimester 1 Review 2024

quiz

Worksheet

•

8th Grade

Study Guide 8th 3.14.2024

121 questions

Study Guide 8th 3.14.2024

quiz

Worksheet

•

8th Grade

Science 8 SE Revision S2

125 questions

Science 8 SE Revision S2

quiz

Worksheet

•

8th Grade

8th grade physical science final

121 questions

8th grade physical science final

quiz

Worksheet

•

8th Grade

Ch. 13 Chemical Bonds Adapted Learning

125 questions

Ch. 13 Chemical Bonds Adapted Learning

quiz

Worksheet

•

7th - 8th Grade