wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

8th Grade Final Review

Total questions: 85

Worksheet time: 1hrs 4mins

Name
Class
Date
1.
At Dominique's Donuts the number of donut holes in a bag can vary. Help Dominique find the mode.
12,10,10,10,13,12,11,13,10
a)
13
b)
12
c)
11
d)
10
2.
Find the mean of these numbers:
2, 57, 38, 42, 6
a)
29
b)
38
c)
50
d)
145
3.
In order to find the median, the data must be sorted from least to greatest first.
a)
True
b)
False
4.

Whats the Range? 7,6,6,7,6,2,9,6

a)

TWO

b)

SIX

c)

SEVEN

d)

NINE

5.

If I drink a lot of water then I will have to go to the bathroom.


What is the red part?

a)

Independent Variable

b)

Dependent Variable

6.

What is the 1st step of the scientific method?

a)

Analyze Data

b)

Compare Results

c)

Ask a Question

d)

Make a Hypothesis

7.
A series of steps used by scientists to solve a problem or answer a question. 
a)
scientific method
b)
recipe
c)
data collection
d)
metric system
8.
A testable explanation to a problem that has not yet been tested. 
a)
data
b)
theory
c)
hypothesis
d)
fact
9.
Change from standard form to scientific notation: 12,000,000
a)
12.0  x  107
b)
0.12  x  107
c)
1.2  x  106
d)
1.2  x  107
10.
Try to change the number back to standard form:  6.79  x  104
a)
679,000
b)
6,790
c)
67,900
d)
6,790,000
11.

How many more stamps does John have than Kristin?

a)

2

b)

3

c)

6

d)

9

12.
At 60 seconds, how far had this object traveled? 
a)
0 m
b)
10 m
c)
20 m
d)
40 m
13.
According to this circle graph, what is the least popular flavor of Jolly Rancher?
a)
Blue Rasberry
b)
Watermelon
c)
Grape
d)
Apple
14.
What is the density of a liquid that has a mass of 27g and a volume of 30ml?
a)
0.9 g/ml
b)
3 g/ml
c)
57 g/ml
d)
810 g/ml
15.
A change in velocity over time is
a)
Scalar
b)
Speed
c)
Acceleration
d)
Motion
16.
A ball is rolled at a velocity of 12 m/sec.  After 36 seconds, it comes to a stop.  What is the   acceleration of the ball?
a)
3 m/s/s
b)
-3 m/s/s
c)
.33 m/s/s
d)
-.33 m/s/s
17.
What force is this? 
a)
push
b)
pull
18.
which describes how fast something is moving?
a)
force
b)
speed
c)
position
d)
slide
19.
Why does a rolling ball stop?
a)
Gravity
b)
Friction
c)
Waterfalls
d)
Sand
20.

What does the term displacement mean?

a)

The direction of motion

b)

The distance traveled divided by time

c)

The change of position of an object

21.
How is velocity different than speed?
a)
Speed opposes velocity
b)
Velocity is speed with a direction
c)
None of the answers are correct
22.

How do you tell if an object is in motion

a)

touching it

b)

reference points

c)

timing it

d)

pushing on it

23.
 What is the unit called that measures force?
a)
weight
b)
meter
c)
Newton
d)
kilogram
24.
Sally experiences-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
25.
Swimming fish experience-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
26.

Friction is an example of _____________

a)

contact force

b)

non contact force

c)

both of these

d)

none of these

27.

When will the gravity between two objects be the LEAST?

a)

when the masses of both objects is small and the objects are close together

b)

when the masses of both objects is small and the objects are far apart

c)

when the masses of both objects is large and the objects are close together

d)

when the masses of both objects is large and the objects are far apart

28.
What is the net force and the direction of movement?
a)
50 Newtons, Left
b)
50 Newtons, Right
c)
500 Newtons, RIght
d)
450 Newtons, LEft
29.
What is Newtons 1st law of motion?
a)
Force= Mass multiplied by acceleration 
b)
An object at rest stays at rest unless acted on an unbalanced force. (inertia)
c)
For every action there is a equal and opposite  re-action.
d)
law of gravity 
30.
What is Newtons 2nd law of motion?
a)
Pancakes 
b)
Force= Mass multiplied by acceleration
c)
For every action there is a equal and opposite  re-action.
d)
Law of gravity 
31.
What law of motion does this picture represent?
a)
Newtons 1st law
b)
Newtons 4th law 
c)
Newtons 3rd law 
d)
Newtons 2nd law
32.
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
33.
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
34.

What is potential energy?

a)

moving energy

b)

stored energy

c)

renewable energy

d)

non renewable energy

35.

What is given off from energy as waste?

a)

water

b)

heat

c)

smoke

d)

ash

36.

What type of energy is transformed in the Energy Conversion shown in the image below?

a)

Nuclear Energy

b)

Chemical Energy

c)

Thermal Energy

d)

Electrical Energy

37.

What is the Energy Conversion that is shown in the image?

a)

Chemical to Mechanical

b)

Thermal to Chemical

c)

Chemical to Thermal

d)

Mechanical to Chemical

38.

This is energy from the sum of potential and kinetic energy.

a)

mechanical energy

b)

light energy

c)

sound energy

d)

electrical energy

39.

A radio, siren, and a television are all designed to produce _______ energy.

a)

light energy

b)

sound energy

c)

mechanical energy

d)

electrical energy

40.
The lowest part of the wave is?
a)
trough
b)
crest
c)
point of origin
d)
compression point
41.
The highest point of a wave is?
a)
crest
b)
trough
c)
point of origin
d)
comppression point
42.
The action of a wave bouncing off a surface is called __________________.
a)
rarefaction
b)
refraction
c)
reflection
d)
diffraction
43.
A _____________________ is the distance between a point on one wave and the identical point of the next wave.
a)
amplitude
b)
wavelength
c)
frequency
d)
compression
44.
Sound is caused by? 
a)
force
b)
vibrations
c)
instruments
d)
medium
45.
This is what you get when sound waves are reflected, or bounce back, off of a hard surface.
a)
Amplitude
b)
Pitch
c)
Volume
d)
Echo
46.
Pitch is __________________.
a)
how loud or soft a sound is
b)
how high or low a sound is
c)
when sound comes back to you
47.
What happens when an object is opaque?
a)
all light is able to pass through
b)
no light is able to pass through
c)
some light is able to pass through
d)
it is black
48.

The Compression part of a sound wave is when

a)

The particles are closer together

b)

The particles are spread apart

c)

The particles are moving faster

d)

The particles are moving slower

49.
The part of your eye that gives it its color.  It is a muscle that controls the size of your pupil.
a)
cornea
b)
lens
c)
pupi
d)
iris
50.
A leaf is green, what does this tell you about the light that is being absorbed?
a)
no light is being absorbed
b)
green is being refracted and all the colors are being absorbed.
c)
green is being absorbed and all the other colors are reflected
d)
green is being reflected and all the other colors are being absorbed
51.

The human eye is only capable of seeing which electromagnetic wave?

a)

Infrared Light

b)

Ultraviolet Light

c)

Visible Light

d)

All of the above

52.

Which of the following is correct in order from lowest to highest energy?

a)

X Rays, Visible Light, Microwave

b)

Ultraviolet, Visible Light, Gamma-Rays

c)

Microwave, Visible Light, Gamma Rays

53.
Which is not a type of simple machine?
a)
spring
b)
screw
c)
pulley
d)
wedge
54.
work is...
a)
energy from the sun
b)
a type of machine
c)
a force that moves an object
d)
a force that pulls you toward the earh
55.
What type of simple machine is found on the cap of a pickle jar?
a)
lever
b)
inclined plane
c)
pulley
d)
screw
56.
Which of these is an example of a wedge?
a)
skateboard
b)
broom
c)
stairs
d)
butter knife
57.
Which type of simple machine would be found on the bottom of a wagon??
a)
a pulley
b)
a screw
c)
a wedge
d)
a wheel and axle
58.

Efficiency is a measure of

a)

how much work is done per second

b)

how much work is output versus to how much work is input

c)

how much power is used per second

d)

how much power is output versus how much power is input

59.

What is the efficiency of a car that has enough fuel to drive 600 miles, but only actually drives 150 miles?

a)

25%

b)

4%

c)

400%

d)

.25%

60.
The atomic number tells you what?
a)
number of electrons
b)
number of protons
c)
number of neutrons
d)
both electrons and protons in an atom.
61.
The atoms along the staircase are called 
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
62.
What is Fe2O3
(rust) made up of?
a)
1 flourine, 2 einsteinium,
3 oxygen
b)
2 fluorine, 3 oxygen
c)
2 iron, 3 oxygen
d)
2 iron, 3 osmium
63.
If you have a material that can conduct electricity well it is probably a...
a)
Metalloid
b)
Matter
c)
Non-metal
d)
Metal
64.

Which of these shows that metals can be pulled into wires

a)

Malleable

b)

Ductile

c)

Luster

d)

Conductor

65.
How many electrons do atoms need to be stable?
a)
1
b)
2
c)
6
d)
8
66.
Element is a
a)
pure substance
b)
compound
c)
mixture
d)
molecule
67.
Is salt (NaCI) a compound or a element
a)
Compound
b)
element
68.
Distillation uses two changes of state. what are they?
a)
Evaporation and condensation
b)
Evaporation and freezing
c)
melting and boiling
d)
sublimation and condensation
69.

All of the following are examples of containers filled with heterogeneous mixtures EXCEPT -

a)

a jar filled with trail mix

b)

a glass filled with lemonade

c)

a bowl of cereal with milk

d)

a cup of fruit salad

70.

What is the definition of a solvent?

a)

The substance that is dissolved.

b)

The substance in which the solute is dissolved.

c)

Unable to be dissolved.

71.
What does it mean if a mixture is homogeneous?
a)
you can see the different parts
b)
cannot tell one part from another
c)
chunks of particles
d)
made of elements
72.
To separate iron filings and sulfur what method should you use?
a)
filtration 
b)
sorting
c)
magnet
d)
boiling
73.

Why do elements bond?

a)

To be friends

b)

To create a new element

c)

To become stable

d)

To get bigger

74.
What is a valence electron?
a)
The sum of neutrons and protons.
b)
The # of electrons in the last shell.
c)
A type of bond.
d)
A popular compound.
75.

Which of these is not a real bond in chemistry?

a)

James

b)

Ionic

c)

Covalent

d)

Metallic

76.
Covalent bonds are between...
a)
two or more nonmetals
b)
sodium and chlorine
c)
metals and metals
d)
metals and nonmetals
77.
Ionic bonds are between...
a)
nonmetals and nonmetals
b)
carbon and oxygen
c)
metals and nonmentals
d)
hydrogen and chlorine
78.

How many valence electrons does Oxygen (O) have?

a)

6

b)

8

c)

15

d)

16

79.

A substance is found to have the following characteristics:


Very bitter taste

Feels slippery to the touch

Produces OH- ions when dissolved in water


In what category would the substance be classified?

a)

acid

b)

base

c)

enzyme

d)

fatty acid

80.

Which of these pH values represent an acid?

a)

4

b)

8

c)

10

d)

12

81.

The pH value of an acid represents its __________ of positive ions in the solution

a)

amount

b)

concentration

c)

color

d)

charge

82.
Which of these is NOT a sign that a chemical change has occurred? 
a)
A loss of transparency 
b)
An unexpected color change
c)
A temperature change
d)
The formation of a precipitate
83.
How many Al atoms are in this compound?         4Al2O3
a)
2
b)
8
c)
6
d)
4
84.

A substance that is formed as the result of a chemical reaction is a __________________

a)

Product

b)

Reactant

c)

Starters

d)

Enders

85.
A chemical reaction that absorbs heat
a)
Single replacement
b)
Exothermic
c)
Endothermic
d)
Decomposition

Similar Resources on Wayground

Transformations de la matière

80 questions

Transformations de la matière

quiz

Worksheet

•

8th Grade

Vertebrates

90 questions

Vertebrates

quiz

Worksheet

•

7th - 10th Grade

Science AIR OST Review 2021-2022

90 questions

Science AIR OST Review 2021-2022

quiz

Worksheet

•

8th Grade

SOL REVIEW 8th Grade

80 questions

SOL REVIEW 8th Grade

quiz

Worksheet

•

6th - 8th Grade

Earth Science SSA Review 6th & 7th

80 questions

Earth Science SSA Review 6th & 7th

quiz

Worksheet

•

6th - 8th Grade

Midterm 1

82 questions

Midterm 1

quiz

Worksheet

•

8th Grade

SISTEM TRANSPORTASI

84 questions

SISTEM TRANSPORTASI

quiz

Worksheet

•

8th Grade

THE QUIZ OF SOUND AND LIGHT WAVE DESTINY!!!!!

81 questions

THE QUIZ OF SOUND AND LIGHT WAVE DESTINY!!!!!

quiz

Worksheet

•

8th Grade