wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

8th Grade 2nd 9 Weeks Review

Total questions: 104

Worksheet time: 2hrs 3mins

Name
Class
Date
1.
A car travels 300 km in 6 hours. What is the average speed of the car (in km/hr)?
a)
0.02 km/hr
b)
1,800 km/hr
c)
50 km/hr
d)
50 km
2.
What is the speed of a jet plane that flies 7200 km in 9 hours ( in km/hr)
a)
800 km/hr
b)
80 km/hr
c)
800 hrs
d)
64,800 km/hr
3.
A storm is moving toward your house at a speed of 20 km/hr.  It is now 60 km away from your house.  In what time will the storm reach your house?
a)
0.3 hours
b)
1200 hours
c)
3 km
d)
3 hours
4.
A rocket is launched from the launch pad at a speed of 700 km/hr.  How far will the rocket have traveled after 1.0 hour?
a)
699 km
b)
700 km
c)
350 km
d)
700 hours
5.
A truck travels down the highway at a speed of 110 km/hr.  How long does the trip last if the truck covered 2200 km?
a)
0.05 hours
b)
20 hours
c)
2,090 hours
d)
242,000 hours
6.

A bus starts from rest and accelerates to 14 m/s in 4 s. What is the average acceleration of the bus?

a)

3.5 m/s2

b)

5.9 m/s2

c)

10.5 m/s2

d)

24 m/s2

7.
A roller coasters accelerates from an initial velocity of of 6.0 m/s to a final velocity of 70 m/s over 4 seconds.  What's the acceleration?
a)
24 m/s2
b)
18 m/s2
c)
16 m/s2
d)
16 m/s
8.
A box sliding down an inclined plane attains a velocity of 27 m/s in 3 seconds from rest.  Find the acceleration.
a)
30 m/s
b)
24 m/s2
c)
9 m/s2
d)
81 km/hr
9.
A car starts from rest at a stop light and reaches 20 m/s in 3.5 s. Determine the acceleration of the car.
a)
2.2m/s2
b)
7.0m/s2
c)
5.7m/s2
d)
70m/s2
10.
A dog runs with an initial speed of 7.5 m/s on a waxed floor.  It slides to a stop in 15 seconds.  What is the acceleration?
a)
-7.5 m/s
b)
-7.5 m/s2
c)
-0.5 m/s2
d)
7.5 mi//hr
11.
What is the speed of an object that travels 60 meters in 4 seconds?
a)
240 m/s
b)
15 m/s
c)
0.067 m/s
d)
15 mph
12.
What is the speed of an object that travels 20 meters in 4 seconds?
a)
80 m/s
b)
0.2 m/s
c)
5 m/s
d)
24 m/s
13.

Find the speed when a tricycle travels 200 kilometers in 8 hours.

a)

12 km/h

b)

   15 km/h

c)

25 km/h     

d)

30 km/h

14.

Find the speed of a car after 4 hours it traveled a distance of 284 km.

a)

71 km/h

b)

51 km/h

c)

61 km/h

d)

63 km/h          

15.

Calculate the distance you will travel if you will drive for 2 hours at 56km/h.

a)

84 km

b)

100 km           

c)

110 km         

d)

112 km

16.

Alex drove to Canada for a vacation. They drove at 20 miles per hour for 1.0 hour because of an accident, then took 3 hours to travel the remaining 180 miles.  What was the average speed for the trip?

a)

60 mph

b)

50 mph

c)

40 mph

d)

80 mph

17.

A biker travels 25 miles in 2 hours. What is the average speed in miles per hour?

a)

50 mph

b)

20 mph

c)

12.5 mph

d)

20 km/h

18.

Kate travels a distance of 9 km from her house to her mom's house at 18 km/hr and runs to the store afterwards at 15 km/hr. The whole trip takes 1 hour. How far did she drive altogether?

a)

12.5 km

b)

9 km

c)

24 km

d)

18 km

19.

A marble is rolling down a ramp at 10 m/s. How far could the marble roll in 1 minute?

a)

10 meters

b)

60 meters

c)

600 meters

d)

can not be calculated

20.

What is the average speed of an object that travels 75 miles in 30 minutes?

a)

75 mph

b)

32.5 mph

c)

150 mph

d)

2.5 mph

21.

If you travel 200 miles in 2 hours, how fast were you driving?

a)

100 mph

b)

400 mph

c)

50 mph

d)

impossible to calculate

22.
Which of the following is a unit of speed ?
a)
sec
b)
mi
c)
m/s
d)
min
23.
What key word tells me I'm measuring distance?
a)
how fast
b)
how far
c)
how long
24.
What key word tells me I'm measuring time?
a)
how fast
b)
how far
c)
how long
25.
What key word tells me I'm measuring speed?
a)
how fast
b)
how far
c)
how long
26.
What is the net force?
a)
65 N left
b)
65 N right
c)
35 N left
d)
35 N right
27.
What is the net force?
a)
4.2 N left
b)
4.2 N right
c)
2.2 N left
d)
2.2 N right
28.
With unbalanced forces, the object will move in the direction of the _______ force.
a)
larger 
b)
smaller 
c)
equal 
29.
What is the net force?
a)
5000 N right
b)
4000 N right
c)
40 N left
d)
4000 N left
30.
What is Newton's First Law
a)
F=ma
b)
Every action has an equal and opposite reaction
c)
An object at rest stays at rest, an object in motion stays in motion. 
d)
Friction 
31.
Calculate the Net Force. 
a)
60N, Left 
b)
40N, Right 
c)
0N
d)
60N, Right
32.
What is the magnitude (size) and direction of the net force?
a)
10 N to the Right
b)
10 N to the Left
c)
0 N
d)
8 N to the Left
33.
Two people are pushing a disabled car. One exerts a force of 200 N east, the other a force of 150 N east. What is the net force exerted on the car?
a)
50 N east
b)
350 N east
c)
50 N west
d)
350 N west
34.
If there are two forces going in the same direction how would you find the net force?
a)
Subtract
b)
Add
c)
Neither
d)
Multiply
35.
To calculate net force you must -
a)
Add the forces
b)
Subtract the forces
36.

Jennifer stands on one side of a table and pushes with a force of 75 N towards Sam. If Sam wants to help Jennifer demonstrate balanced forces, what does he need to do

a)

Push with a force of 75N toward Jennifer

b)

Push with a force of 150N toward Jennifer

c)

Push with a force of 75N in the same direction of Jennifer

d)

Push with a force of 150 N in the same direction of Jennifer

37.

Which of the following is not a balanced force?

a)
b)
c)
d)
38.
In a tug of war the left team pulls with a force of 200N. The right team pulls with a force of 150N. What is the resultant force?
a)
50N to the left.
b)
350N to the left.
c)
350N to the right.
d)
50N to the right.
39.

What is the resultant force?

a)

17 N, Left

b)

6N, Right

c)

None of the above

40.
What is the net force
a)
10 N
b)
0 N
c)
25 N
d)
1 N
41.
What is the net force?
a)
400 N Up
b)
400 N Down
c)
- 400 N Down
d)
800 N Down
42.

Which law can be simply described with the equation:

F = MxA

a)

1st

b)

2nd

c)

3rd

43.
"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
44.
It takes more force to accelerate the iron man on the left than the iron man on the right because the iron man on the left has more mass. This best describes
a)
Newton's first law, the law of inertia
b)
Newton's second law, the law of acceleration
c)
Newton's third law, the law of action reaction 
d)
The law of universal gravitation
45.
a)
1st
b)
2nd
c)
3rd
46.

"A soccer ball will not move until it's kicked" Is that an example of law # 1, 2, or 3?

a)

#1

b)

#2

c)

#3

47.

Which is an example of law number 1 (Law of Inertia)?

a)

Several dogs pulling a sled makes it to accelerate more quickly than just one dog pulling it.

b)

A pencil on a desk will stay there until picked up.

48.

What Newtons law does this picture represent

a)

Newtons 1st law

b)

Newtons 2nd law

c)

Newtons 3rdt law

d)

Newtons 4rth law

49.
Why is it harder to push a van filled with bowling balls than it is to push a van with basketballs?
a)
The mass of the car is greater than the mass of the basketballs
b)
The mass of the bowling balls is greater than the mass of the basketballs
c)
The van with the basketballs is bigger than the van with the bowling balls
d)
It should be equally as hard to push the two vans
50.

What law does this picture show?

a)

Newton's First Law

b)

Newton's Third Law

c)

Newton's Second Law

51.

What Law does this picture represent?

a)

Newton's Third Law

b)

Newton's Second Law

c)

Newton's First Law

d)

Newton's Fourth Law

52.

What is Newton's Third Law?

a)

Every action has an unequal and even reaction

b)

Every action has an equal and even reaction

c)

Every action has an unequal and opposite reaction

d)

Every action has an equal and opposite reaction.

53.

What Law does this picture represent?

a)

Newton's 600th Law

b)

Newtons 1st Law

c)

Newtons 10,000th Law

d)

Newton's Second Law

54.
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
55.
What property of this wave is represented by the letter "A"
a)
amplitude
b)
crest
c)
trough
d)
wavelength
56.
What property of the wave is represented by the letter "B"?
a)
amplitude
b)
crest
c)
trough
d)
wavelength
57.
The highest point on a wave is:
a)
the crest
b)
the trough
c)
the top
d)
the coast 
58.
The lowest point on a wave is the:
a)
Amplitude
b)
Crest
c)
Trough
d)
Wavelength
59.
The type of waves that require medium to pass:
a)
Mechanical Waves
b)
Electromagnetic Waves
60.
What types of waves carry energy at a right angle or perpendicular to the direction of the energy flow?
a)
Longitudinal waves
b)
Transverse waves
c)
Sound waves
d)
P-waves
61.
What do waves carry from place to place?
a)
Energy, but not matter or particles
b)
Energy and matter or particles
c)
Matter or particles but not energy
d)
Neither energy nor matter or particles
62.
The most dense part of a longitudinal wave.
a)
Density
b)
Compression
c)
Rarefaction
d)
Amplitude
63.
What are the parts of a longitudinal wave?
a)
Compressions and rarefactions
b)
Crests and troughs
c)
Compressions and crests
d)
Rarefactions and troughs
64.
Which wave is pictured?
a)
Transverse
b)
Longitudinal
c)
Both
d)
Neither
65.
Sound is an example of which type of wave?
a)
Transverse
b)
Longitudinal
c)
Both
d)
Neither
66.
Which wave travels parallel in relation to a medium?
a)
Transverse
b)
Longitudinal
c)
Both
d)
Neither
67.
Sound needs a medium to travel through.  What is a medium?
a)
solid, liquid, gas
b)
open space
c)
waves
d)
nothing
68.

Mrs. Yarbrough produced many sound waves while playing the piano. Which diagram shows the sound wave that she produced with the LONGEST wavelength?

a)
b)
c)
d)
69.

Which of the following is true?

a)

1. x-rays travel slower than infrared.

b)

Infrared travels slower than x-rays.

c)

Gamma rays are the slowest moving.

d)

Radio waves have the most energy and shortest wavelength.

70.

As Devon ran up the stairs to his school building, the bell rang out above him. He had lost track of time during lunch while listening to music tracks with his headphones, which had silenced all other noise around him, including the first warning bell signaling the end...What kind of sound waves are responsible for Devon being able to enjoy his music?

a)

Mechanical

b)

chemical

c)

nuclear

d)

radiant

71.

What part of a sound wave measures LOUDness?

a)

wavelength

b)

magnitude

c)

amplitude

d)

frequency

72.

The region of the Electromagnetic Spectrum where color can be seen is called visible light. Which of the following is correct?

a)

The lowest frequency is red and the highest is violet

b)

The highest is red and the lowest is violet

c)

green has the highest frequency

d)

Yellow has the highest frequency.

73.

The ______________ is the distance between 2 crests.

a)

wavelength

b)

Amplitude

c)

frequency

d)

rest position

74.
Which wave in the diagram has the greatest frequency?
a)
1
b)
2
c)
3
d)
4
75.
Which of the following is NOT a mechanical wave?
a)
sound
b)
light
c)
ocean
d)
seismic
76.

The highest point on a wave is:

a)

the crest

b)

the trough

c)

the top

d)

the coast

77.

Which letter(s) represent the trough of the wave?

a)

A

b)

B & D

c)

D

d)

C & G

78.
Which wave has a greater frequency?
a)
A
b)
B
79.
What kind of wave is pictured below?
a)
compressional wave
b)
transverse wave
c)
sound wave
d)
mechanical wave
80.
How would a person measure the wavelength on this sound wave?
a)
dense to less dense
b)
trough to crest
c)
compression to compression
d)
beginning of illustration to the end
81.

What property of the wave is represented by the letter "B"?

a)

amplitude

b)

crest

c)

trough

d)

wavelength

82.

Which letter(s) represent the crest of the wave?

a)

A

b)

B & D

c)

B & F

d)

F

83.

Which wave in the diagram has the greatest frequency?

a)

1

b)

2

c)

3

d)

4

84.

Which wave in the diagram has the greatest wavelength?

a)

1

b)

2

c)

3

d)

4

85.
Distance from 'y' to 'y' is a _______
a)
Wavelength
b)
Amplitude
c)
Compression
d)
Rarefaction
86.
Distance from an 'x' to an 'x' is a________
a)
wavelength
b)
amplitude
c)
rarefaction
d)
compression
87.
What is represented by the  letter 'y'?
a)
Compression
b)
Rarefaction
c)
Wavelength
d)
Amplitude
88.
What is represented by the letter 'x'?
a)
Crest
b)
Compression
c)
Rarefaction
d)
Wavelength
89.
What is represented by the blue lines?
a)
Trough
b)
Crest
c)
Wavelength
d)
Amplitude
90.
What part is represented by the blue lines?
a)
Crest
b)
Resting Point
c)
Wavelength
d)
Amplitude
91.
What part is the arrow pointing to?
a)
Crest
b)
Trough
c)
Amplitude
d)
Wavelength
92.
What part is the arrow pointing to?
a)
Crest
b)
Trough
c)
Amplitude
d)
Wavelength
93.
What two factors effect the amount of energy a wave has?
a)
Frequency and wavelength
b)
Frequency and amplitude
c)
Amplitude and rest
d)
Wavelength and crest
94.
Which wave in the diagram has the greatest frequency?
a)
1
b)
2
c)
3
d)
4
95.
Which wave in the diagram has the greatest wavelength?
a)
1
b)
2
c)
3
d)
4
96.
Which wave has the greatest amplitude?
a)
A
b)
B
c)
C
d)
D
97.
What kind of wave is pictured?
a)
Transverse
b)
Longitudinal
c)
surface
d)
none of the above
98.

What is the amplitude of this wave?

a)

4

b)

8

c)

2

d)

6.3

99.

What is the wavelength of this wave?

a)

4

b)

8

c)

3.3

d)

6.3

100.

Which color has the longest wavelength?

a)

Yellow

b)

Red

c)

Green

d)

Purple

101.
Which color has the highest frequency?
a)
blue
b)
yellow
c)
orange
d)
violet
102.
Which color has the lowest frequency?
a)
red
b)
green
c)
blue
d)
violet
103.
What is frequency?
a)
waves
b)
distance between equilibrium to crest
c)
hand motion
d)
The number of wave cycles completed in one second
104.
Which EM wave has the lowest frequency?
a)
radio
b)
xray
c)
gamma
d)
infrared

Similar Resources on Wayground

8th Grade Science

100 questions

8th Grade Science

quiz

Worksheet

•

8th Grade

Geologic Processes

99 questions

Geologic Processes

quiz

Worksheet

•

8th Grade

NASA Space Facts

100 questions

NASA Space Facts

quiz

Worksheet

•

6th - 8th Grade

DN_SKELETAL & MUSCULAR SYSTEM

100 questions

DN_SKELETAL & MUSCULAR SYSTEM

quiz

Worksheet

•

6th - 10th Grade

8th Science STAAR Review

100 questions

8th Science STAAR Review

quiz

Worksheet

•

8th Grade

Ecology 1.6

108 questions

Ecology 1.6

quiz

Worksheet

•

8th Grade

8th Grade Science

103 questions

8th Grade Science

quiz

Worksheet

•

6th - 8th Grade