wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

8th Grade Science Benchmark Review 24-25

Total questions: 88

Worksheet time: 1hrs 16mins

Name
Class
Date
1.

Which table below correctly lists the properties of metals and nonmetals? *

a)

A

b)

B

c)

C

d)

D

2.

The word “luster” refers to which property of matter?

a)

The ability to conduct electrical or thermal energy

b)

Capable of being drawn out into thin wires

c)

The way a surface appears when it reflects light

d)

Suitable for being shaped by beating or rolling

3.

Which of the following is true about acids and bases?

a)

The lower the pH, the stronger the acid

b)

the higher the pH, the stronger the acid

c)

The lower the pH, the more neutral the acid

d)

The higher the pH, the weaker the base

4.

Ranging from 0 to 14, a pH value indicates how acidic or basic a solution is.  Which of these pH values would be a strong acid?

a)

2

b)

6

c)

9

d)

13

5.

Litmus paper can tell you if a solution is acidic, neutral or basic by changing color when placed in a solution.  If you test a base with litmus paper, it will turn ____________.

a)

purple

b)

red

c)

blue

d)

pink

6.

How do volcanic eruptions impact the climate in the short term?

a)

They cause long-lasting global warming.

b)

They lead to immediate long-term cooling.

c)

They cause short-term cooling by blocking sunlight with ash and gases.

d)

They result in a temporary increase in temperature.

7.

A[n] ___________ tide occurs when the sun, Earth, and the moon are in a straight line.

a)

spring

b)

high

c)

low

d)

neap

8.

What type of tides would this arrangement of earth-moon-sun create?

a)

neap tide

b)

spring tide

c)

new moon tide

d)

full moon tide

9.

A[n] ______________ tide occurs when the sun is at right angles to the line between Earth and the moon.

a)

high

b)

neap

c)

low

d)

spring

10.

________ mixture is a mixture that is made up of two or more substances that are not uniformed throughout.

a)

pure substances

b)

homogeneous

c)

heterogeneous

d)

elements

11.

Which of the following answer choices are examples of heterogeneous mixtures? Choose all that apply.

a)

fruit salad

b)

soil

c)

cereal in milk

d)

blood

12.

What does this pic illustrate?

a)

Element

b)

Mixture of Compunds

c)

Mixture of elemets

d)

Compounds

13.

Which of the following represents an element?

a)

H2O

b)

HCl

c)

NaCl

d)

Au

e)

CaCO3

14.

The diagram shows

a)

element

b)

mixture

c)

compound

15.

This picture represents: 

a)

Element

b)

Compound

c)

Mixture of Elements

d)

Mixture of Compounds

16.

Surface tension is the property of water in which...

a)

water molecules at the surface tend to stick together.

b)

water spills easily.

c)

water tends to be see-through.

17.

Refer to the picture of water sticking to a leaf; this is occurring because of:

a)

Adhesion

b)

Cohesion

18.

Describe COHESION.

a)

Water molecules attracted to other substances.

b)

Water molecules climbing upwards against the force of gravity.

c)

Water molecules dissolving many substances because of its polarity.

d)

Water molecules attracted to other water molecules.

19.

Water droplets take a spherical shape (as pictured) because of ____________

a)

adhesion

b)

cohesion

c)

capillary action

d)

solubility

20.

Which characteristic of water will allow a paperclip to remain floating on water when the paperclip is gently placed on top of the water?

a)

adhesion

b)

surface tension

c)

solvent properties

d)

nonpolar

21.

All living things are made up of...

a)

cells

b)

tissues

c)

organ

d)

organ systems

22.

Which statement was NOT included in cell theory?

a)

All living things are composed of cells.

b)

Living cells come only from other living cells.

c)

Each cell contains a cell membrane, cytoplasm, nucleus, mitochondria, and endoplasmic reticulum.

d)

Cells are the smallest structure of living things that can perform the functions necessary for life.

23.

A chemical reaction is balanced when

a)

both sides have the same elements

b)

Both sides have the same  number of atoms

c)

Same subscripts

d)

Same coefficients

24.

The coefficient in  3H2O is

a)

6

b)

2

c)

3

d)

5

25.

What kind of plate boundary is shown here?

a)

divergent

b)

convergent

c)

transform

d)

subducting

26.

What type of boundary is this?

a)

convergent

b)

divergent

c)

transform

27.
a)

Convergent

b)

Divergent

c)

Transform

28.

Match the plate boundary to its diagram.

a)
1.

Divergent

b)
2.

Convergent

c)
3.

Transform

29.

Match the plate boundary to its definition.

a)

Plates spread apart

1.

Divergent

b)

Plates come together

2.

Convergent

c)

Plates rub against each other

3.

Transform

30.

When two continental plates converge (collide) what type of crustal feature is formed?

a)

Mid Ocean Ridge

b)

Subduction Zone

c)

Rift Valley

d)

Folded Mountains

31.

What position has the least amount of potential energy?

a)

W

b)

X

c)

Y

d)

Z

32.

Energy in motion is ____________ energy.

a)

Potential

b)

Energy

c)

Kinetic

d)

Friction

33.

__________ energy is stored energy.

a)

Potential

b)

Kinetic

c)

Force

d)

Gravity

34.

At which point is potential energy greatest?

a)

W

b)

X

c)

Y

d)

Z

35.

A ball is released from rest at position 1.  The diagram shows the ball in four positions as it rolls along a track from left to right. In which position does the ball have its minimum gravitational potential energy and maximum kinetic energy?

a)

1

b)

2

c)

3

d)

4

36.

Why does global warming cause sea levels to rise? [Choose 1 to 4 options.]

a)

Warm ocean waters expand more.

b)

Seismic activity in the ocean increases in warmer temperatures.

c)

Glacial ice is melted and this adds water to the oceans.

d)

The Earth's core expands in warm temperatures, elevating the ocean floor.

37.

Why is burning fossil fuels bad for the environment?

a)

It destroys the ozone layer

b)

It adds harmful mercury to waterways

c)

The clouds it creates bring excess rain and flooding

d)

The gases emitted lead to global climate change

38.

The gases produced by burning fossil fuels usually contain which element?

a)

Carbon

b)

Oxygen

c)

Hydrogen

d)

Nitrogen

39.

What is deforestation?

a)

Clearing Earth's forests on a massive scale

b)

Eating too much vegetables

c)

Going to a forest and pulling weeds

d)

Clearing the five trees in my backyard

40.

What are the effects of deforestation ?

a)

loss of habitat

b)

increased green house gasses 

c)

soil erosion and flooding

d)

all of the above

41.

What is the main cause of the urban heat island effect?

a)

Urban residential parks

b)

Rural residential areas

c)

Suburban residential areas

d)

Commercial downtown areas

42.

What is a major cause of urbanization?

a)

Increase in wildlife

b)

Movement from rural areas to urban areas for work and social services

c)

Decrease in industrial activities

d)

Increase in agricultural activities

43.

Which of the following is a human activity that releases greenhouse gases?

a)

Planting trees

b)

Burning fossil fuels

c)

Reducing industrial activities

d)

Increasing wildlife habitats

44.

What type of energy is stored in the bonds of food and is released when it is broken down in your digestive system?

a)

Kinetic

b)

Radiant

c)

Chemical

d)

Thermal

45.

What is the force on a 1000 kg elevator that is falling freely at 9.8 m/sec2

a)

102.04 n

b)

9,800 n

c)

980 n

d)

103 n

46.

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

47.

What do each of the letters correctly represent?

a)

Funny, Monkeys, Arrive

b)

Force, Mass, Acceleration

c)

Free, Mass, Access

d)

Force, Magnesium, Arsenic

48.

A 50 kg skater pushed by a friend accelerates 5 m/s2.  How much force did the friend apply? The answer to this question is most likely (HINT: Look at the units!!!) - 

a)

250 N

b)

250 m/s2

c)

250 kg 

49.

How do you find the net force of this image.

a)

Add up all the arrows

b)

Add a green arrow and the orange arrow.

c)

Subtract all the arrows.

d)

Add the green arrows and subtract the orange arrow.

50.

What is the Overall Net Force and which side has a greater Net Force?

a)

12, Right

b)

0, Both are balanced

c)

12, Both are balanced

d)

0, Left

51.

If there are two forces going the same direction , how would you combine them to find the Net Force>

a)

Add them

b)

Subtract them

c)

Multiply them

d)

Divide them

52.

Secondary succession begins in an area with:

a)

Bare Rock

b)

Soil

53.

The first species to appear in an area:

a)

discovering species

b)

pioneer species

c)

new species

d)

colonizing species

54.

this type of succession happens after a fire, tornado or another catastrophic event:

a)

Primary Succession

b)

Secondary Succession

55.

Match the following

a)
1.

Primary succession

b)
2.

pioneer species

c)
3.

abiotic factor

d)
4.

secondary sucession

e)
5.

climax community

56.

Primary or secondary ecological succession?

a)
b)
57.
How do biodiversity and sustainability work together?
a)
The lower the biodiversity the greater the sustainability.
b)
The higher the biodiversity, the less sustainable the ecosystem
c)
The higher the biodiversity, the greater the sustainability.
d)
Biodiversity has nothing to do with sustainability.
58.
High biodiversity is 
a)
having a lot of the same organism.
b)
having a few of the same organism.
c)
having a lot of variety of different organisms.
d)
only having one of each organism. 
59.

What type of star has a low temperature and a high luminosity?

a)

White Dwarfs

b)

Blue Giants

c)

Red Supergiants

d)

Smaller Main Sequence stars

60.

What type of star has a low temperature and a low luminosity?

a)

White Dwarfs

b)

Blue Giants

c)

Red Supergiants

d)

Smaller Main Sequence stars

61.

What type of star has a high temperature and a high luminosity?

a)

White Dwarfs

b)

Blue Giants

c)

Red Supergiants

d)

Smaller Main Sequence stars

62.

Control all of the process of the cell through the use of DNA and RNA

a)

Nucleus

b)

Cell Membrane

c)

Cytoplasm

d)

Mitochondria

e)

Chloroplast

63.

Provide structure, form, and protection for the cell.

a)

Nucleus

b)

Cell Membrane

c)

Cytoplasm

d)

Mitochondria

e)

Cell Wall

64.

Provide storage for the cell. (glucose, pigments and waste.

a)

Nucleus

b)

Cell Membrane

c)

Cytoplasm

d)

Mitochondria

e)

Vacuole

65.

Which organelle produces the energy a cell needs to carry out its function

a)
Mitochondria
b)
Golgi Bodies
c)
Cytoplasm
d)
Nucleus
66.
This organelle takes food and turns it into ENERGY for plant and animal cells.
a)
Chloroplast
b)
Mitochondria
c)
Lysosome
d)
Ribosome
67.
What does this graph represent?
a)
Constant Speed
b)
Acceleration
c)
Not moving
68.

If this were a distance v. time graph, what is the best description for the represented movement?

a)

An object is not moving

b)

An object is moving backwards at a constant speed

c)

An object is moving forward at a constant speed

d)

An object is accelerating (accelerating)

69.

What is Sir Isaac Newton's Third Law of Motion?

a)

Objects at rest and objects in motion will remain at rest or in motion, unless they are acted upon by an unbalanced force.

b)

For every action there is an equal and opposite reaction.

c)

When a force acts on a mass, acceleration is produced.

d)

When a force acts on a mass, the mass increases.

70.
The rabbit in this food web would be considered a:
a)
Decomposer
b)
Producer
c)
Secondary Consumer
d)
Primary Consumer
71.
The mouse in this food web would be considered a:
a)
Primary Consumer
b)
Producer
c)
Tertiary Consumer
d)
Secondary Consumer
72.
The fox in this food web would be considered a:
a)
Tertiary Consumer
b)
Producer
c)
Secondary Consumer
d)
Primary Consumer
73.
What does the arrow mean in a food chain or food web?
a)
An organism comes next
b)
Gets eaten by
c)
Go left
d)
Go right
74.
Multicellular Organisms
a)
Made of 1 cell
b)
Made of more than 1 cell
75.

Which kingdom contains organisms that are multicellular autotrophs?

a)

Fungi

b)

Animal

c)

Plant

d)

Archaebacteria

76.

Which kingdom contains organisms that are unicellular, prokaryotic, and could live on a door knob?

a)

Eubacteria

b)

Archaebacteria

c)

Protist

d)

Fungi

77.

​ (a)   is an organism that makes its own food and ​ (b)   is an organism that does not make its own food.

Choose from the below words
autotroph
heterotroph
producer
consumer
eater
non-eater
decomposer
78.

​ ​ (a)   has one cell and​ (b)   has many cells​ ​

Choose from the below words
multicellular
unicellular
uniorganism
multiorganism
79.
 You would find mushrooms and molds in which kingdom?
a)
Plantae
b)
Protists
c)
Fungi
d)
Animalia
80.
Tigers, Jellyfish, Gorillas and Sponges are all part of kingdom _______.
a)
Animalia
b)
Plantae
c)
Fungi
d)
Bacteria
81.

An organism that obtains its food and energy by eating other organisms.

a)

heterotroph

b)

autotroph

c)

unicellular

d)

eukaryote

82.
Organisms whose cells have NO nucleus are classified as...
a)
Eukaryotic
b)
Prokaryotic
c)
Dead
83.
Almost all bacteria are...
a)
Unicellular
b)
Multicellular
84.
An organism that has cells that lack a nucleus are called:
a)
Eukaryote
b)
Heterotroph
c)
Prokaryote
d)
Autotroph
85.
Acids are what range on the pH scale?
a)
0-14
b)
0-6.99
c)
7
d)
7.1-14
86.
Bases are what range on the pH scale?
a)
0-6.99
b)
7
c)
7.1-14
d)
0-14
87.
What color does acid turn litmus paper?
a)
It turns litmus paper purple.
b)
It turns red litmus paper blue.
c)
It turns blue litmus paper blue.
d)
It turns blue litmus paper red.
88.
What color does bases turn litmus paper?
a)
It turns litmus paper purple.
b)
It turns blue litmus paper red.
c)
It turns red litmus paper blue.
d)
It turns red litmus paper re

Similar Resources on Wayground

BODY SYSTEMS AND HEREDITY

87 questions

BODY SYSTEMS AND HEREDITY

quiz

Worksheet

•

6th - 9th Grade

end of year science TRIVIA

86 questions

end of year science TRIVIA

quiz

Worksheet

•

8th Grade

Forces and Motion Review

90 questions

Forces and Motion Review

quiz

Worksheet

•

8th Grade

Chem Unit 2 States of Matter

90 questions

Chem Unit 2 States of Matter

quiz

Worksheet

•

6th - 8th Grade

Chemical Reactions - Unit 3

90 questions

Chemical Reactions - Unit 3

quiz

Worksheet

•

8th Grade

Photosynthesis/ Cellular Respiration Unit Test

85 questions

Photosynthesis/ Cellular Respiration Unit Test

quiz

Worksheet

•

6th - 8th Grade

Life Science Final Exam Review

89 questions

Life Science Final Exam Review

quiz

Worksheet

•

7th - 8th Grade

Relationships Among Objects in Space

90 questions

Relationships Among Objects in Space

quiz

Worksheet

•

6th - 8th Grade