Transcript 1. What interaction between organisms would be described as

1. What interaction between
organisms would be described
as parasitic?
A. a mosquito feeding on the blood of a dog
B. a bee gathering nectar and pollen from a
flower
C. a cleaner shrimp picking dead skin off a large
fish
D. a nonpoisonous snake mimicking a poisonous
snake
Coal is usually found underground,
compressed in a layer between
other types of rock. Coal is produced
by what rock-forming process?
2.
A. crystallization from melted rock
B. formation of sediment from weathering
C. deposition and burial of dead plant matter
D. eruption of volcanic ash followed by
settling in a layer
3. Most electric power is generated by burning
fossil fuels. A family living in central Ohio uses
electric appliances for cooking and air
conditioning. They use fuel oil for heating.
What change could this family make to conserve
fossil fuels?
A. convert to natural gas as a fuel for cooking
B. switch to the use of less expensive coal for
heat
C. lower the temperature setting on the air
conditioner
D. install solar roof panels to generate
additional electricity
4. A park is home to a large number of robins,
squirrels and rabbits. The robins and squirrels live
in the park’s trees. The robins feed on earthworms
and insects that live on the ground. The squirrels
eat the acorns produced by the park’s oak trees.
The rabbits hide in the bushes and feed on the
grass. Which factor would directly limit the
number of rabbits that could live in this park?
A. number of robins
B. number of bushes
C. number of acorns
D. number of squirrels
5. In which environment is white fur
color an advantage for survival?
A. desert
B. grassland
C. arctic tundra
D. temperate forest
6. What is the major process
of surface rock formation on
volcanoes?
A. Rock cools quickly from melted rock.
B. Rock is recrystallized by extreme pressure.
C. Rock solidifies slowly deep underground.
D. Rock is formed from deposited sediment.
7. Which cell structure carries out
a function for a cell that is similar
to the function that bark carries
out for a tree?
A. cell wall
B. nucleus
C. chloroplast
D. mitochondrion
8. Why is coal considered to be a
nonrenewable energy source?
A. Sunlight is the original source of energy for
coal.
B. The burning of coal could cause environmental
pollution.
C. Once coal is mined, it can take millions of years
to be replaced.
D. Coal is abundant, but it is very expensive to
mine from underground.
9. Why do satellites and spacecraft
launched from Earth need to reach a
specific speed to escape Earth’s surface?
A. to overcome Earth’s gravitational
force
B. to protect equipment from radiation
C. to break through the sound barrier
D. to avoid Earth’s magnetic field
10. Which is an example of a group
of cells with a common structure
and function?
A. stomach
B. muscle tissue
C. mitochondria
D. digestive system
11. Which phenomena occur as a
result of the gravitational attraction
between the moon and Earth?
A. eclipses
B. ocean tides
C. seasonal changes
D. phases of the moon
12. Electricity is produced in a
hydroelectric plant when moving water
turns a turbine. Which describes this
energy transformation from the turning
turbine to electricity?
A. kinetic energy into electric energy
B. nuclear energy into electric energy
C. thermal energy into electric energy
D. chemical energy into electric energy
13. What change would occur
if Earth’s rate of rotation
significantly increased?
A. The year would be shorter.
B. The year would be longer.
C. The day would be shorter.
D. The day would be longer.
14. Bass tapeworms attach to the gills
and intestines of bass fish. These worms
survive by taking nutrients from the
bass. What type of relationship does
this represent?
A. predation
B. parasitism
C. mutualism
D. commensalism
15. Fungi recycle leaves in forests. Fungi
release chemicals onto the leaves to
break them down into smaller particles.
The fungi use the small particles for
growth. Which process allows fungi to
obtain the nutrients they need from
dead leaves?
A. circulation
B. digestion
C. reproduction
D. respiration
16. Which is a major advantage of using
energy sources such as sunlight, wind
and running water instead of fossil fuels,
such as coal and natural gas?
A. Sunlight, wind and running water are much
more efficient than fossil fuels.
B. Sunlight, wind and running water are renewable
and available indefinitely.
C. Sunlight, wind and running water are much less
expensive to use than fossil fuels.
D. Sunlight, wind and running water can be used at
any geographical location.
17. The sun is a mid-sized, main
sequence star. What stage is
next in the life cycle of the sun?
A. red giant
B. black hole
C. white dwarf
D. neutron star
18. Aphids are small insects that sometimes
live near ants. The ants protect the aphids
from predators. The aphids produce a sweet
substance that the ants eat. Which
statement describes the relationship
between ants and aphids?
A. Both ants and aphids benefit.
B. Both ants and aphids are unaffected.
C. The ants benefit and the aphids are harmed.
D. The aphids benefit and the ants are unaffected.
19. Which two plant cell
structures are responsible for
storing energy from sunlight and
later releasing it for cells to use?
A. chloroplast and mitochondrion
B. mitochondrion and cell wall
C. chloroplast and nucleus
D. nucleus and cell wall
20. Which unit of measurement do
astronomers use when measuring
the distance between two stars
found in the Milky Way?
A. meter
B. light-year
C. kilometer
D. astronomical unit
21. The energy of blowing wind can
be harnessed to create electricity.
Why is wind considered a
renewable energy source?
A. Wind does not cause destruction of the
environment.
B. Wind turns the blades of a windmill that creates
electricity.
C. Wind provides only a very small amount of
electricity to the United States.
D. Wind comes from atmospheric conditions that
are available indefinitely.
22. What is the role of the
mitochondrion in cells?
A. It converts sunlight to energy.
B. It controls all functions of the cell.
C. It transports water throughout the
cell.
D. It breaks down sugar to release
energy.
23. Why are fossil fuels called
nonrenewable resources?
A. They make waste products.
B. They are buried far underground.
C. They take a very long time to
produce.
D. They are more expensive than
nuclear fuels.
24. In what ways do animals
depend on the sun for energy?
A. animals convert sunlight to chemical
energy.
B. the skin of animals absorb the energy in
sunlight.
C. Animals get energy by eating organisms
that use sunlight to make food.
D. animals depend on fossil fuels formed by
the sun for energy.
25. An adaptation is a
characteristic that improves
an organism’s chance of
A. behaving instinctively
B. Fossilizing after death
C. Surviving and reproducing
successfully
D. Learning a new behavior
26. Which of the following
muscles moves your bones?
A. skeletal
B. cardiac
C. involuntary
D. smooth
27. A deer population leaves an area.
Which of the following situations
most likely describes why they left?
A. the deer’s natural predators left the
area
B. The deer population fell below its
carrying capacity
C. The deer’s niche changed
D. food became a limiting factor when
the deer ate too many shrubs
28. Which of the following
shows division of geological
time from largest to smallest?
A. Periods, eons, epochs, eras
B. Eons, eras, periods, epochs
C. eras, periods, epochs, eons
D. epochs, periods, eras, eons
29. A warm air mass slides
over a cold air mass forming
a(n)
A.
B.
C.
D.
cold front
warm front
occluded front
stationary front
30. Which of the following is a
nonrenewable resource?
A.
B.
C.
D.
Solar energy
Wind energy
Natural gas
Hydroelectric energy
31. Which of the following is not
true about gas giants?
A.
B.
C.
D.
They have many moons.
They have ring systems.
They are rocky.
They are large.
32.
In a chemical equation,
A. Products are always shown on the
right side and the reactants on the left
side.
B. Reactants are always shown on the
right side and the products on the left
side.
C. Products and reactants are both
shown on the right side.
D. Mass is not conserved.
33. You push on a box, but it
doesn’t move. What force
opposes your push?
A.
B.
C.
D.
momentum
friction
gravity
lift
34. In a transverse wave,
the particles move
A.
B.
C.
D.
back and forth
up and down
in a circle
in no certain pattern
35. What condition is
necessary for heat to move
from one object to another?
A. The objects must touch.
B. Radiation must occur.
C. The objects must be at different
temperatures.
D. Liquids and gases form currents.
36. Sam asks the question,
“what is the density of this block
of wood?” Sam can most easily
answer this question by
A.
B.
C.
D.
making measurements
stating a hypothesis
doing an experiment
controlling variables
37. Which tool would you use
to measure the length of a
ramp?
A.
B.
C.
D.
meter stick
compass
stopwatch
spring scale
38. The two chromatids of
a chromosome separate
during mitosis because
A. they break in half.
B. the spindle fibers pull them to
opposite sides of the cell.
C. they will form two different sex cells.
D. Both A and B
39. The imprint of an animal
track in sedimentary rock is an
example of a
A. rock fossil
B. cast fossil
C. mold fossil
D. trace fossil
40. Where does oxygen-poor
blood go when it leaves the
heart?
A.
B.
C.
D.
the brain
the body
the lungs
none of the above
41. Which of the following
is an example of a
pioneering species?
A.
B.
C.
D.
tree
shrub
grass
lichen
42. Faults are not
associated with
A.
B.
C.
D.
earthquakes
tectonic plate movements
hot spots
transform boundaries
43. The ozone layer, which protects
living things on Earth from harmful
ultraviolet radiation, is found in
which layer of the atmosphere?
A.
B.
C.
D.
troposphere
stratosphere
mesosphere
thermosphere
44. The section of DNA that
controls a trait is called a
A. chromosome
B. gene
C. chromatid
D. mutation
45. You use an empty shoebox as
a container to hold your CDs. This
is an example of a conservation
method called
A.
B.
C.
D.
selective cutting
reducing
reusing
recycling
46. The inner planets are made of
heavier elements because
A. temperatures were cooler closer to
the sun
B. light elements vaporize close to the
sun
C. light elements did not exist in early
stages of the solar system
D. the inner planets formed from gas
giants
47. An atom of chorine has 17
electrons. The number of electrons
in chorine’s third energy level is
A. 17
B. 15
C. 7
D. zero
48. The force of gravity between
two objects is strongest when
A. the masses of both objects are large
and they are far apart.
B. the masses of both objects are small
and they are close together.
C. one mass is large and the other small
and they are far apart.
D. both masses are large and they are
close together.
49. Wave A has a higher frequency
than Wave B. Their speeds are the
same. How do the wavelengths to
two waves compare?
A. Wave A’s wavelength is longer.
B. Wave B’s wavelength is longer.
C. The wavelengths are the same.
D. Wavelengths depends on
energy, not frequency.
50. Which material has the
highest specific heat capacity?
A.
B.
C.
D.
wood
metal
cloth
water
51. You are working in a field. You
need to find out which direction a
river flows. Which tool can help you
determine this information?
A.
B.
C.
D.
probe
meterstick
stopwatch
compass
52. What is homeostasis?
A. the breakdown of food to release
energy
B. the process plant cells use to make
food
C. the maintenance of stable internal
conditions
D. the division of the nucleus in the cell
cycle
53. The geological era during which
most life appeared on Earth is the
A.
B.
C.
D.
Precambrian
Paleozoic
Mesozoic
Cenozoic
54. Which of the following
describes the movement of the
diaphragm as you inhale
 A. The diaphragm relaxes and moves down.
 B. The diaphragm contracts and moves
down.
 C. The diaphragm contracts and moves up.
D. The diaphragm relaxes and moves up.
55. What is the importance of
nitrogen fixation?
A. Without it, groundwater would not
contain enough nitrogen.
B. Without it, nitrogen could not return to
the atmosphere.
C. Without it, most living things could not
take in the nitrogen they need.
D. none of the above
56. What kind of stress does a
stretched metal spring represent?
A. tension
B. compression
C. folding
D. faulting
57. Which of the following shows
the proper sequence of the
formation of coal?
A. anthracite, bituminous, lignite, peat
B. lignite, peat, anthracite, bituminous
C. bituminous, lignite, peat, anthracite
D. peat, lignite, bituminous, anthracite
58. What causes night and day?
A.
B.
C.
D.
Earth’s distance from the sun
Earth’s revolution
Earth’s rotation
Earth’s elliptical orbit
59. An element that is solid at room
temperature, ductile, malleable, shiny
and a good conductor is probably a
A. nonmetal
B. metal
C. metalloid
D. base
60. Momentum depends on
A. mass and velocity
B. mass and acceleration
C. force and friction
D. force and acceleration
61. Which of the following waves
are produced by the sun?
A. infrared
B. x rays
C. gamma rays
D. all of the above
62. Mark touches a penny, a wool
sweater and a glass of juice that have all
been left in the sun for the same amount
of time. Which feel the warmest?
A. the penny
B. the sweater
C. the juice
D. all are the same temperature
63. You use a spring scale to find the
weight of an object. In which units
will you record your measurements?
A. grams
B. newtons
C. kilometers
D. kilograms
64. Sponges have
A. bilateral symmetry
B. radial symmetry
C. a gut
D. an asymmetrical body plan
65. Diabetes is a disease in which the
pancreas does not produce enough
insulin. Which of the following is most
likely to occur as a result of having
diabetes?
A. The level of sugar in the blood is
high.
B. The level of sugar in the blood is low.
C. The liver starts releasing sugar.
D. The liver starts releasing insulin.
66. What role do decomposers
play in the carbon cycle?
 A. They turn carbon dioxide into sugar.
 B. They break down the remains of dead
organisms, returning carbon to the
environment.
 C. They fix nitrogen into nitrogen
compounds.
 D. They use carbon in the soil to make
sugars.
67. An igneous rock with
fine grains
A. cooled slowly below Earth’s surface
B. cooled slowly on Earth’s surface
C. cooled quickly below Earth's surface
D. cooled quickly on Earth’s surface
68. Energy from inside
Earth’s crust is called
A. geothermal energy
B. hydroelectric energy
C. solar energy
D. wind energy
69. Astronauts can live
and work aboard a
A. space telescope
B. space shuttle
C. space station
D. space probe
70. Which statement about
particles in an atom is false?
A. Electrons have a negative charge.
B. Protons have a positive charge.
C. The number of electrons equals
the number of protons.
D. Electrons, protons and neutrons
are found in the nucleus.
Which of the following is true
about acceleration?
A. An unbalanced force produces
acceleration.
B. Acceleration is a change in either
speed or direction.
C. Acceleration describes both speeding
up and slowing down.
D. all of the above
72. In which material does
sound travel the fastest?
A. water
B. oxygen
C. wood
D. air
73. Where is the magnetic
field of a bar the weakest?
A. at the ends
B. at the poles
C. in the middle
D. at the north pole only
74. The magnification of the eyepiece on
a compound microscope is 10x. The
magnification of the objective lens is
40x. What is the total magnification?
A. 4x
B. 10x
C. 40x
D. 400x
75. An advantage of using biomass
as a source of energy is that it
A. is clean.
B. is renewable.
C. is highly concentrates.
D. requires little land.
76. While a solid is melting,
the thermal energy absorbed
A. raises the temperature of the
substance.
B. breaks the attractive forces holding
the solid together.
C. increases the kinetic energy of the
substance.
D. creates new chemical bonds
77. The law of action
and reaction states that
A. an action force is always greater than a
reaction force.
B. an action force is always less than a
reaction force.
C. pairs of action and reaction forces
always cause motion
D. forces come in pairs
78. What wave property controls
the loudness of a sound?
A. pitch
B. frequency
C. wavelength
D. amplitude
79. Ohm’s law shows the
relationship between which
factors in a circuit?
A. current, voltage, resistance
B. current, voltage, amplitude
C. voltage, resistance, power
D. amplitude, resistance, pitch
80. A solution with a
pH of 3 is
A. an acid
B. a base
C. a neutral substance
D. pure water
81. Which of the following waves
carries the most energy?
A. radio waves
B. gamma waves
C. visible light waves
D. microwaves
82. All the populations living
within an area make up a(n)
A. organism
B. species
C. community
D. ecosystem
83. What process break
rocks down into sediment?
A. weathering and erosion
B. cementing and compacting
C. heat and pressure
D. melting followed by cooling
84. What cell structure is responsible
for regulating the materials that
enter and exit the cell?
A. cell wall
B. plasma membrane
C. cytoplasm
D. vacuoles
85. When you wake up in the morning,
you noticed that your driveway is wet.
You say to yourself, “It rained last night.
“ this statement is an example of a/an
A. observation
B. conclusion
C. hypothesis
D. inference
86. Which is an example of an
instinctive behavior adaptation?
A. gills of a fish
B. fur color of polar bears
C. migration of some birds
D. hunting in wolves
87. A car travels a total distance
of 250 km in 5 hours. What is the
average speed of the cars?
A. 250 km/h
B. 125 km/h
C. 50 km/h
D. 25 km/h
88. Dylan uses a balance to find the mass
of a rock. He then uses a graduated
cylinder and water to determine the
rocks volume. What property of the
rock can Dylan also determine using
these measurements?
A. malleability
B. conductivity
C. solubility
D. density
89. Which planet makes one
complete orbit around the sun in
the shortest period of time?
A. Pluto
B. Jupiter
C. Earth
D. Mercury
90. Which is an example of a
nonrenewable natural resource?
A. minerals
B. sunlight
C. plants
D. oxygen
91. To which human body
system does cartilage belong?
A. muscular
B. digestive
C. skeletal
D. nervous
92. You are conducting an investigation
on how mass affects the speed at which
a toy car travels down a ramp. Which of
the following can help you be more sure
about data you collect?
 A. Estimate all measurements.
 B. Carry out several trials following the same
procedure.
 C. State a hypothesis.
 D. Carry out several trials varying the height of the
ramp each time.
93. Which energy resource creates
the least amount of pollution when
used to generate electricity?
A. wind
B. coal
C. oil
D. natural gas
94. Which of the following is not
required when working with
chemicals in the laboratory?
A. heat-resistant gloves
B. a lab apron
C. safety goggles
D. disposable plastic gloves
95. Which of the following allows
new traits to appear in a species?
A. over population
B. variation and mutation
C. asexual reproduction
D. predation and parasitism
96. What is the relationship between
the blood, heart and blood vessels in
the cardiovascular system of the
human body?
 A. They work separately to regulate body
activities.
 B. They work separately to support the body and
permit movement.
 C. They work together to break down food into
usable forms.
 D. They work together to carry nutrients to cells
and carry away their wastes.
97. Which of the following
are biotic parts of soil?
A. sand and salt
B. rock particle
C. bacteria and fungi
D. oxygen and water
98. Which of the following is not
a physical property of matter?
A. malleability
B. ability to burn
C. volume
D. conductivity
99. Your classmates have set up a
weather station at your school.
What tool will they need to use to
determine relative humidity?
A. thermometer
B. psychrometer
C. barometer
D. anemometer
100. You look at a banana and
observe that it has a yellow color.
Why does the banana look yellow?
A.
B.
C.
D.
It refracts all visible light.
It absorbs only yellow light.
It reflects only yellow light.
It transmits only yellow light.
101. Acid rain can dissolve the
minerals in some types od rocks.
This action is an example of
A. mechanical weathering
B. abrasion
C. ice wedging
D. chemical weathering
102. Which is an example
of a natural satellite?
A. the sun
B. Earth’s moon
C. a space telescope
D. the stars of the Milky Way
103. What is the first stage in
the life cycle of a star?
A. white dwarf
B. helium nucleus
C. nebula
D. supergiant
104. You place a metal spoon in a
cup of hot tea. In s few minutes,
the spoon feels hot. What
process heats the spoon?
A. conduction
B. convection
C. evaporation
D. radiation
105. You are given a sample of an
unknown liquid. You want to find
out if the substance is an acid or a
base. What is the best way to
determine this information?
A. smell the substance
B. use an indicator
C. feel the substance
D. taste the substance