# MS Science TAKS review for 8th grade

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```					 MS Science TAKS

Student copy
MS. PENNY
SPRING 2011
1. You have a glass beaker filled with a mixture
of hot chemicals. The beaker and mixture
have a mass of 247 grams. If you want to
know the mass of the chemicals only, what
should you have done first?

A. Pour the chemicals directly on a spring
scale.
B. Find a very light container that can hold the
chemicals.
C. Obtain the mass of an empty glass beaker of
the same size.
D. Separate the chemicals into their individual
components.
TAKS 1
TEKS 6.4A, 7.4A, 8.4A
2. A student made 3 stacks of books. She leaned
identical boards on each stack. She covered one
board with waxed paper, one with sandpaper, & one
with cloth. She placed a toy car at the top of one
board, released it and let it roll until it stopped. She
measured the distance the car traveled. She
repeated the procedure for the other two boards.

What is the independent variable in this investigation?

F.   The distance the car rolled.
G.   The height from which the car was released.
H.   The number of books used.
J.   The surface of the board.
TAKS 1
TEKS 8.2A
3. Which of the following is a safe way to
conserve resources in the lab?

A. Clean up all equipment at the same
time.
B. Use older, slightly damaged equipment.
C. Carefully measure chemicals.
D. Clean up chemical spills quickly.

TAKS 1
TEKS 8.1B
Trial      Speed (m/s)
1               6
2               7
3               6
4               9

4. What is the average speed in m/s of the 4 trials
of the toy car the travels down the ramp?

F.   6
G.   7
H.   8
J.   9
TAKS 1
TEKS 8.2B
5.    At the grocery store, a student looks at a label
on TV said that by eating this brand of oatmeal
every morning you would lose weight. Are the

G. No, you must diet and exercise to decrease body
weight.
on the box are always truthful.
J. Yes, eating oatmeal makes people lose weight.

TAKS 1
TEKS 8.3B
Sunny Days in Spring, TX

40
35
30
25
Days 20
15
10
5
0
Jan   Feb March April May June July Aug Sept Oct   Nov   Dec

Months

6. The graph shows the average number of days of
sunny weather that Spring, Texas has each month
for the last 10 years. If the trend continues next
year, which month will Spring have the least amount
of sunny days?

A.   December
B.   January                                                                    TAKS 1
C.   July                                                                       TEKS 8.4B
D.   September
7.A student hears a scientist on the news that says
he thinks there is life on another planet. What is
the most important question that the student
should ask in order to critique what the scientist is
saying?

F. Does the scientist think there is life in other
galaxies too?
G. What evidence is the scientist basing his statement
on?
H. Where did the scientist study and go to school?
J. Who works for the scientist and helps in his
research?

TAKS 1
TEKS 8.3A
8. Which of the following questions about
frogs could be answered through a scientific
investigation?

F. Are frogs able to play musical instruments?
G. Are some frog species happier than other frog
species?
H. How do the diets of different frog species differ?
J. What kind of dreams do frogs have?

TAKS 1
TEKS 6.2A, 7.2A, 8.2A
9.Which of the following objects would
make the best model of a blood
vessel?

F.   A steel pipe
G.   A rubber tube
H.   A cotton string
J.   An electrical wire

TAKS 1
TEKS 8.3C
Population                   World Population Growth
(in billions)
10
9
8
7
6
5
4
3
2
1
0
1800               1850               1900           1950            2000
Year
10.The graph show world population growth over the
last 200 years. If the trend continues the world population
will –

A.    decrease
B.    increase, then decrease
C.    Increase
D.    stay the same                                           TAKS 1
TEKS 8.2C
11. A student is planning an investigation
about plants. She says, “Plants grow
better in sunlight.” This statement is an
example of –

F. data
G. a hypothesis
H. an investigation
J. a procedure

TAKS 1
TEKS 6.2A, 7.2A, 8.2A
12.You have a bag of cookies that says it
contains 34 grams. Which tool would you
use to check to be sure that the bag
actually contains 34 grams?

B.   Meter stick
C.   Triple beam balance
D.   Spring scale

TAKS 1
TEKS 6.4A, 7.4A, 8.4A
13.Which would be an important piece of
safety equipment to use when heating a
substance in science lab?

F                  H

G                      J
TAKS 1
TEKS 8.1A
14.Which type of diagram provides the
relationship among organisms in an
ecosystem?

F.   Food chain
G.   Food web
H.   Energy chain
J.   Energy pyramid

TAKS 2
TEKS 8.6C
15.The diagram shows the natural pattern of an
ecosystem changing over time. This is known
as –

A.   mutualism
B.   photosynthesis
C.   predation
D.   succession                       TAKS 2
TEKS 7.12D
16. What is one way that plant and
animal cells are different?

F. Plant cells do not have cell
membranes.
G. Only animal cells contain cytoplasm.
H. Only plant cells contain a nucleus.
J. Only plant cells have cell walls.

TAKS 2
TEKS 6.10B
17. Nerves are made of tissue, so

F.   cells
G.   organs
H.   organ systems
J.   organisms

TAKS 2
TEKS 6.10C
18. What occurs during photosynthesis?

F. Biomass is converted into chemical
energy.
G. Heat energy is converted into biomass.
H. Chemical energy is transferred into
heat energy.
J. Solar energy is transferred into
chemical energy.

TAKS 2
TEKS 7.8B
19.When an organism dies, chemical
energy is still stored in its body’s
tissues. Energy is released from the
body through the process of –

A.   decomposition
B.   differentiation
C.   osmosis
D.   photosynthesis

TAKS 2
TEKS 6.8B
20.When a baby kangaroo is born, the
first thing it does is crawl into its
mother’s pouch. What type of
behavior is the baby kangaroo
exhibiting?

A.   Innate behavior
B.   Learned behavior
C.   Emotional behavior
D.   Both innate and learned behavior
TAKS 2
TEKS 8.11B
21. How does the respiratory system
interact with the muscular system?

F. The muscular system produces blood
which is needed by the lungs to work.
G. The muscular system makes mucus for
the trachea.
H. The respiratory system provides the
oxygen needed by the muscles to work.
J. The respiratory system causes the
muscles to movement.
TAKS 2
TEKS 8.6A
22.The circulatory system carries
oxygen and nutrients to every cell in
an animals body. Which part of the
system is needed to carry the
oxygen out to the rest of the body?

A.   Arteries
B.   Heart
C.   Lungs
D.   Veins
TAKS 2
TEKS 6.5B
23.The skull is part of the skeletal system in an
animal. One of the functions of the skeletal
system is to protect soft body parts. The skull’s
structure helps to perform this function because
the skull –

F. has marrow, which produce blood cells
G. has sharp teeth, which the animal uses to eat
H. is flexible, which allows the brain to continue
growing.
J. is hard, which protects the brain from being 2
TAKS
TEKS 6.5B
injured.
24. What is taken in by a plant as part of
photosynthesis?

A.   Carbon dioxide
B.   Chemical energy
C.   Oxygen
D.   Sulfur

TAKS 2
TEKS 8.6B
70
60

Grams of water   50
40
30
20
10
0
0   10   20   30   40   50
oC

25. Predict how many grams of water the
atmosphere could hold at 500 C.
F. 25 g
G. 35 g
H. 52 g                            TAKS 2
TEKS 8.10B
J. 62 g
26. How do consumers interact with
producers in an ecosystem?

A.   Producers eat consumers
B.   Consumers eat producers
C.   Producers decompose consumers
D.   Decomposers produce consumers

TAKS 2
TEKS 7.12B
27.A forest ecosystem has an increase in
rainfall so more wildflowers grow. The
wildflowers support a greater number of
butterflies. Lizards in the forest eat
butterflies. The lizard population will
most likely be affected by the increase in
the butterfly population by the size of the
lizard population –

F.   decreasing
G.   decreasing then increasing
H.   increasing
TAKS 2
J.   staying the same                  TEKS 8.11A
28. Humans brought domesticated cats to the
island of Madagascar. Several types of
ground-nesting birds became extinct after
the cats arrived. Which kind of threat to
native animals is this an example of?

G.   Habitat destruction
H.   Species introduction
J.   Unregulated hunting
TAKS 2
TEKS 8.14B
29.All of the populations living within an
area make up a(n) –

A.   community
B.   ecosystem
C.   organism
D.   species

TAKS 2
TEKS 6.10C, 8.6C
30. What type of energy is transferred
into chemical energy in the process
of photosynthesis?

F.   chemical
G.   kinetic
H.   potential

TAKS 3
TEKS 7.8B
31.Which of the following elements would be
the best conductor?

A. Au
B. C
C. Ne
D. S

TAKS 3
TEKS 8.9B
32. Which two elements are most
similar?

F.   H and O
G.   Fe and Co
H.   Li and F
J.   Mg and Sr

TAKS 3
TEKS 8.9B
33.The formula that represents sodium
chloride, commonly known as salt, is
–

A.   H2 O
B.   NaCl
C.   SaLt
D.   SoCh

TAKS 3
TEKS 8.9C
34. This Bohr model represents the element –

F.   Carbon
G.   Fluorine
H.   Oxygen
TAKS 3
J.   Neon                                TEKS 8.8A
35.What part of the oxygen atom
contains neutral particles?

A.   Electrons
B.   Electron clouds
C.   Isotopes
D.   Nucleus

TAKS 3
TEKS 8.8A, 8.8B
36.Which of the following must be the
same for every atom of the element
hydrogen?

F.   Atomic mass
G.   Number of electrons
H.   Number of neutrons
J.   Number of protons

TAKS 3
TEKS 8.8A, 8.8B
37.You find an object that is shiny and solid.
It conducts heat and electricity. How
would the object be classified?

A.   noble gas
B.   non-metal
C.   metal
D.   halogen

TAKS 3
TEKS 8.9B
38.Which of the following is not a
property of an atom?

F.   Color
G.   Electric charge
H.   Mass
J.   Number of protons

TAKS 3
TEKS 8.8A, 8.8B
39. Which of the following changes is
not a physical change?

A.   Beating an egg
C.   Boiling water
D.   Frying an egg

TAKS 3
TEKS 6.7B, 8.9A
40. As the stored chemical energy in
biomass is decomposed in a
compost bin, what is most of the
energy converted into?

F.   Heat
G.   Oxygen
H.   Soil
J.   Water

TAKS 3
TEKS 6.8B
41.The tendency of an object at rest to
remain at rest or an object in motion
to remain in motion is known as –

A.   friction
B.   inertia
C.   work
D.   zero gravity

TAKS 4
TEKS 8.7A
42. A blow dryer transforms –

F.   electrical energy to potential energy
G.    electrical energy to thermal energy
H.    kinetic energy to thermal energy
J.   thermal energy to heat

TAKS 4
TEKS 6.9A
43. A student places a pan of water on a hot
plate. All the water becomes hot. What
process heats the water at the top of the
pan?

A. Conduction
B. Convection
C. Evaporation

TAKS 4
TEKS 8.10A
44. A dirt bike rider has a mass of 50 kg.
The dirt bike has a mass of 200 kg.
How much force is needed to
accelerate the rider and the bike to 4
m/s2?

F.   2.5 N
G.   200 N
H.   800 N
J.   1,000 N
TAKS 4
TEKS 8.7A
45.What causes a rock to accelerate as
it falls?

A.   Air pushing down on the rock.
B.   A person throwing it downward.
C.   The force of gravity.
D.   The speed of the rock.

TAKS 4
TEKS 8.7A
46. What type of simple machine is used
in the pliers shown?

A.   Inclined plane
B.   Lever
C.   Pulley
D.   Wheel and axle          TAKS 4
TEKS 7.6A
47.Which of the following forces
stimulates a seedling’s roots to grow
downward?

F.   Gravity
G.   Magnetism
H.   Momentum

TAKS 4
TEKS 7.6C
48.When a piece of paper burns,
chemical energy changes to ____
energy.

A.   electrical
B.   heat and light
C.   kinetic and potential
D.   mechanical

TAKS 4
TEKS 6.9A
49.What simple machine changes the
direction of a force without increasing
or decreasing the force?

F.   Inclined plane
G.    Lever
H.   Pulley
J.   Wheel and axle

TAKS 4
TEKS 7.6A
50. A space heater transforms –

A.   electrical energy to heat energy
B.   electrical energy to potential energy
C.   kinetic energy to thermal energy
D.   thermal energy to heat

TAKS 4
TEKS 6.9A
51.The diagram shows a large block held by a pulley
system. What type of energy does the block have
at this point in time?
F. Electrical
G. Kinetic
H. Potential                                TAKS 4
TEKS 7.8A
J. Thermal
52.When the heart contracts, it pumps
blood to other parts of the body. The
blood moves because –

A.   density of the blood increases
B.   pressure in the heart increases
C.   size of the heart increase
D.   temperature of the blood increases

TAKS 4
TEKS 7.6C
53. A person changes the oil in their car and
dumps the old oil on the ground in an empty
lot. How might this affect the environment?

F. The oil will evaporate.
G. The oil will not affect the environment.
H. The oil may enter the groundwater and pollute
it.
J. The oil may act as a fertilizer for plants.

TAKS 5
TEKS 6.14B, 7.14C, 8.14C
54.The tilt of Earth’s axis determines the –

A.   length of a day
B.   length of a year
C.   phases of the moon
D.   seasons

TAKS 5
TEKS 7.13A
55. All of the following are renewable
energy resources except –

F.   falling water
G.    fossil fuels
H.   sunlight
J.    wind

TAKS 5
TEKS 7,14C
56. Which of the following is an effect of the
increasing use of gasoline-powered
vehicles?

A.   The depletion of a nonrenewable resource.
B.   The pollution of a inexhaustible resource.
C.   The recycling of a reusable resource.
D.   The replenishment of a renewable
resource.

TAKS 5
TEKS 7.14C
57. The layer of the Earth that covers surface is the –
F. crust
G. mantle
H. inner core
TAKS 5
J. outer core                             TEKS 8.14A
58. What effect might cutting down a
large forest have on the air in that
location?

A. Carbon dioxide decreases and
oxygen increases.
B. Carbon dioxide increases and
oxygen decreases.
C. Levels of all gases increase.
D. Levels of oxygen and carbon dioxide
stay the same.
TAKS 5
TEKS 6.14C, 8.14C
59. Which of the following is the best evidence
that Earth’s continents were once in very
different positions than they are today?

F. Fossils of tropical plants have been found in
Antarctica.
G. Major rivers form deltas from erosion.
H. Penguins are found only in the Southern
Hemisphere.
J. Volcanoes surround the Pacific ocean.

TAKS 5
TEKS 8.14A
60.Early telescopes showed stars as only
points of light, while the planets
appeared to be much larger, providing
evidence that stars must –

A. be more plentiful in our solar system
than planets.
B. be much farther from Earth than
planets.
C. reflect much more light than planets.
planets.
D. travel in elliptical orbits likeTAKS 5
TEKS 6.13A, 8.13A
61.The Sun is a main sequence, yellow
star in the Milky Way galaxy, which is
described as a(an)–

F.   dwarf galaxy
G.   elliptical galaxy
H.   irregular galaxy
J.   spiral galaxy

TAKS 5
TEKS 8.13A
62. Stars begin their life cycle in a –

A.   black hole
B.   nebula
C.   nova
D.   supernova

TAKS 5
TEKS 8.13A
63.A land developer cleared all the trees in
a neighborhood to be able to build new
homes. A direct result of removing
trees from the area would be –

F. a lower amount of carbon dioxide in the
air
G. a higher rate of erosion
H. an increase in the carnivore population
J. a slowdown of the nitrogen cycle
TAKS 5
TEKS 8.14C
64.A current carries water from Canada
and Alaska to the south along the
California coast. How does this
current most likely affect California’s
climate?

A. The current causes floods in
California.
B. The current caused droughts in
California.
C. The current cools California.
TAKS 5
D. The current warms California.     TEKS 8.12B
TAKS 5
Iceland
TEKS 8.12B

65.How does the Gulf Stream current probably affect
Iceland?
F.   The current carries cold water to Iceland.
G.   The current causes Iceland’s climate to be warmer.
H.   The current causes Iceland’s climate to be colder.
J.   The current prevents sunlight from reaching Iceland.
66.Many weather systems form over
oceans. The energy needed to form
these weather systems starts from –

A.   prevailing winds
B.   the moon
C.   the sun
D.   water currents

TAKS 5
TEKS 8.10B
67.Astronomers have discovered many
differences in stars through their
observations. One theory used to explain
these differences is that –

F. Earth’s atmosphere distorts our view of the
stars.
G. stars are at different points in their life
cycles.
H. the distances between stars are huge.
J. there is too much light pollution on Earth to
study stars.
TAKS 5
TEKS 8.13A
68. The type of boundary shown in the
diagram is –

A. convergent
B. divergent
C. rift
TAKS 5
D. transform                        TEKS 8.14A
69.A rift valley is evidence of which kind
of plate boundary?

F.   Convergent
G.   Divergent
H.   Folded
J.   Transform

TAKS 5 TEKS
8.14A
70.Earthquake vibrations are detected,
measured and recorded by
instruments called –

A.   magnetometers
B.   Richter scales
C.   seismographs
D.   sonargraphs

TAKS 5      TEKS
7.14A, 8.7B
71.The type of plate boundary found in Iceland is –

F.   convergent
G.   divergent
H.   lateral                             TAKS 5
TEKS 8.14A
J.   transform
72.The Eurasian plate and North American
plate are moving away from each other.
This is causing the Atlantic Ocean to
become wider. What other change will this
movement most likely cause?

A. The destruction of beaches along the coast
of Europe.
B. The formation of mountains along the east
coast of
North America.
C. The Pacific Ocean is becoming smaller in
size.
D. The Gulf of Mexico is becoming deeper.
TAKS 5    TEKS
8.14A
73.The theory of plate tectonics states that Earth’s
lithosphere is divided into pieces called plates that are
constantly moving. The diagram above shows two plates
that are colliding. What landforms result from this action?

F.   Mountains
G.   Plains                                      TAKS 5
H.   Plateaus                                    TEKS 8.14A
J.   Valleys
74. What lunar phase will occur when the
moon is in the position indicated in the
model?

A.   Crescent
B.   Full moon
C.   Gibbous
D.   New moon

TAKS 5
TEKS 7.13B, 8.12A
75.The moon can be seen in the night
sky because the moon –

F.   emits its own light
H.   reflects sunlight
J.   refracts sunlight

TAKS 5
TEKS 6.13A, 7.13B, 8.12A
76.When does the Northern Hemisphere
experience summer?

A. When the length of the day equals the
length of the night.
B. When the Earth is closest to the sun.
C. When the Earth is tilted most on its axis.
D. Then the North Pole is tilted toward the
sun.

TAKS 5
TEKS 7.13A
77.The plates of the Earth’s lithosphere
are moved around by –

F.   winds in the atmosphere
G.   conduction in the asthenosphere
H.   convection currents in the ocean
J.   convection currents in the
asthenosphere

TAKS 5
TEKS 8.14A
78.The map shows acid rain concentrations across the United
States. Which of the following is the most likely explanation
for the differences in acid rain concentrations across the
country?
A. The southwest part of the U.S. produces more solid wastes.
B. The southeastern part of the U.S. has the most forests.
C. The northeast part of the U.S. burns the most fossil fuels.
TAKS 5
D. The northwest part of the U.S. used       TEKS 7.14C, 8.14B,
only solar energy. 8.14C
79.A meteorite collides with the Earth’s
surface. What will be the most likely
effect of this collision?

F.   A crater will form.
G.   A convergent plate boundary will form.
H.   A divergent plate boundary will form.
J.   A volcanic eruption will occur.

TAKS 5
TEKS 7.14A
80. Pressure builds up along a fault line and
eventually the rocks along the fault shift
positions. What will be the effect of this
process?

A.   An earthquake will occur.
B.   A hot spot will form.
C.   A tsunami will form.
D.   A volcanic eruption will occur.

TAKS 5
TEKS 7.14A
81.An earthquake would most likely
result near which of the following
features?

F.   Cave
G.   Fault
H.   Plain
J.   Valley

TAKS 5
TEKS 7.14A
82. Light-years are the most appropriate
measurement for which of the following
distances?

A. The distance between the moon and Earth.
B. The distance between the North and South
Poles.
C. The distance from the sun to the center of
the galaxy.
D. The distance from Florida to California.

TAKS 5 TEKS
8.13B
83. How would the planet most likely be
affected if Earth were not tilted on its axis?

F. Earth would become very hot on one side.
G. Earth would not experience different
seasons.
H. The length of day and night would be very
different.
J. The moon would not revolve around the
Earth.

TAKS 5
TEKS 7.13A
84.Which of the following lunar phases
occurs approximately 28 days after a
full moon in the lunar cycle?

A.   Crescent
B.   Full moon
C.   Gibbous
D.   New moon

TAKS 5
TEKS 6.13A, 7.13B
85.Which of the following causes the moon’s
phases to occur?

F.   The Earth’s rotation on its axis
G.   The Earth’s revolution around the sun
H.   The moon’s rotation on its axis
J.   The moon’s revolution around the Earth.

TAKS 5
TEKS 6.13A, 7.13B
86.Which of the following conservation
practices is the best way to conserve
some of the Earth’s nonrenewable
resources?

A. Recycling newspapers.
B. Reusing a paper sack as wrapping paper.
C. Turning off the water while brushing your
teeth.
D. Walking instead of driving in a car.

TAKS 5
TEKS 7.14C, 8.14B, 8.14C
87.What is the name of the galaxy we
live in?

F.   Andromeda
G.   Beta
H.   Milky Way
J.   Polaris

TAKS 5
TEKS 8.13A
88.The moon’s surface is made up of rocks
and dust-like soil. Which is the likely
cause of the “soil” on the moon?

A. Breakup of rocks from rain and moving
water.
B. Breakup of rocks when meteors struck the
moon.
C. Weathering by glaciers.
D. Weathering by wind.

TAKS 5
TEKS 6.13A
89.Which of the following lists is in order
from largest to smallest?

F. Moon, Earth, Sun, Solar System, Galaxy,
Universe
G. Solar System, Galaxy, Universe, Moon,
Sun, Earth
H. Universe, Galaxy, Sun, Solar System,
Earth, Moon
J. Universe, Galaxy, Solar System, Sun,
Earth, Moon
TAKS 5
TEKS 6.13A
90.Which of the following is a
nonrenewable source of energy?

A.   Wood
B.   Coal
C.   Water
D.   Wind

TAKS 5
TEKS 7.14C
91. When the phase of the moon is a full
moon,

F. the sunlit side of the moon is facing away
from Earth
G. the sunlit side of the moon is facing the
earth
H. the sun is not shining on the moon
J. the moon is in Earth’s shadow

TAKS 5
TEKS 6.13A, 7.13B
92.Which of these planets would have
the longest revolution around the
sun?

A.   Earth
B.   Jupiter
C.   Neptune
B.   Venus

TAKS 5
TEKS 6.13A,
93.Which of the following lists the
components in order from smallest
to largest?

F.   Solar system, universe, galaxy
G.   Galaxy, solar system, universe
H.   Solar system, galaxy, universe
J.   Universe, solar system, galaxy

TAKS 5
TEKS 8.13A
Planet    Approximate Time    Approximate Time
for One Rotation   for One Revolution

Mercury        59 days              88 days
Earth         24 hours            365 days

Mars        24.7 hours           687 days

Jupiter       10 hours            11.9 years

94.Which of the four planets in the table has
the shortest day?

A.   Earth
B.   Mars
C.   Mercury
D.   Jupiter                               TAKS 5
TEKS 6.13A, 8.2E
95. You cannot see a new moon because –

F. Earth’s axis tilts away from the moon
G. The moon has absorbed all the light that
hits it
H. The moon’s sunlit side is facing away from
Earth
J. The sun is not shining on the moon

TAKS 5
TEKS 6.13A, 7.13B

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