8th Grade

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8th Grade FCAT Review 2003-2008
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Benchmark SC.A.1.3.1 SC.A.1.3.2 SC.A.1.3.6
A. 0.09 g/cm3
B. 0.10 g/cm3
C. 0.16 g/cm3
What is the difference in density between the
least and the greatest density of the liquids
listed in the table?
D. 1.08 g/cm3
3
You are correct!
Why are A, B and D not correct?
4
Strand BEnergy Benchmark SC.B.
2.3.1
F. The energy converts into thermal energy and
is released into the atmosphere.
G. The energy converts into electromagnetic
energy and is released as microwaves.
What happens to the electrical energy as it
travels through the power lines?
H. The energy is transferred to the currents
electrons as the power lines are grounded.
I. The energy is transferred to the air as light
energy as it travels along the power lines.
5
You are correct!
Why are G, H, and I not correct?
6
A. 2/5
B. 3/7
C. 1/4
D. 1/5
Use the formula for frequency to solve this
problem. f number of events (waves)/time (sec)
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You are Correct!
f number of events (waves)/time (sec) f 6
waves/30 seconds 1/5 waves/second. Other
acceptable answers are 6/30 or 0.2.
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Strand CForce and Motion Benchmark
SC.C.2.3.6
F. 37.8 km/hr
H. 16.75 km/hr
G. 42.6 km/hr
I. 96.48 km/hr
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You are Correct!
10
Strand DProcesses that Shape the Earth
Benchmark SC.D.1.3.4

• an increase in
• nests in the lawn
• area

B. a need to pull more weeds from the lawn
area
C. a need to fertilize the lawn area with
plant nutrients
D. an increase in the number of rodents
in the lawn area
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Congratulations,
You are correct!
Why are A, B, and D not correct?
12
Benchmark SC.D.1.3.4 SC.D.1.3.2
F. The trees provide shade, so the soil does not
dry out.
H. The trees act as a windbreak, reducing soil
erosion caused by blowing wind.

• The trees attract animals whose
• wastes add fertilizer to help prevent
• soil erosion.

G. The tree branches protect the soil from the
force of acid rain.
13
You are correct!
Why are F, G, and I not correct?
14
Strand FProcesses of Life
Benchmark SC.F.1.3.1
F. They work together to transport blood.
H. They work together to maintain the
chemical balance of blood.
G. They work independently with
specialized functions.
I. They work as storage organs for fluids to
prevent dehydration.
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You are correct!
Why are F, G, and I not correct?
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C. The female parent guinea pig carries the
recessive gene, but the male parent does not.
A. Both parent guinea pigs carry the
recessive gene.
B. The male parent guinea pig carries the
recessive gene, but the female parent does not.
D. Neither parent guinea pig carries the
recessive gene the brown fur was a spontaneous
mutation.
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You are Correct!
Why are B, C, and D are not correct?
18
Benchmark SC.G.1.3.4 SC.G.1.3.1 SC.G.1.3.5
F. to provide nitrogen for the animals
G. to obtain dissolved oxygen from
moisture
H. to break down the remains of other
living things
I. to store chlorophyll for the
photosynthesis process
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You are correct!
Why are F, G and I not correct?
20
Benchmark SC.G.2.3.4 SC.D.2.3.2

• The ultraviolet radiation may result
• in damage to living organisms.

B. The ultraviolet radiation may cause air
conditioning systems to overheat.
C. The ultraviolet radiation may rapidly
increase the water temperature of the
Pacific Ocean.
D. The ultraviolet radiation may
permanently destroy some satellite
communication systems.
21
You are correct!
Why are B, C, and D not correct?
22
Strand HThe Nature of Science
Benchmark SC.H.1.3.1
F. His new theories were an outgrowth of
Einsteins general theory of relativity.
G. He invented the telescope to see further into
the universe than hadothers before him.
H. His law of universal gravitation was very
much like the Ptolemaic system of epicycles.
I. His new theories increased scientific
knowledge by looking at old observations in a
new way.
23
You are correct!
Why are F, G, and H not correct?
24
Benchmark SC.H.1.3.4 SC.H.1.3.7

• Accurate notes are required to get the
• predicted results of the test.

B. Accurate notes will help other scientists
replicate and validate the results.
C. Accurate notes are necessary for experiments
conducted on human subjects.
D. Accurate notes will help to ensure that no
one uses the same experimental methods.
25
You are correct!
Why are A, C, and D not correct?
26
Benchmark SC.H.1.3.5

• F. the soil

G. the temperature
H. the mass of each plant
I. the space available for each seed
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Benchmark SC.H.3.2.1 SC.H.3.2.3
You are correct!
Why are F, G, and H not correct?
28
Benchmark SC.A.1.3.1 SC.A.1.3.2 SC.A.1.3.6
A. gold
C. iron
B. lead
D. aluminum
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You are correct!
Why are B, C, and D not correct?
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Strand AThe Nature of Matter Benchmark
SC.A.2.3.2
F. electron
G. neutron
H. nucleus
I. proton
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You are correct!
Why are G, H, and I not correct?
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A. amplitude
B. diffraction
C. reflection
D. refraction
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You are Correct!
Why are A, B, and C not correct?
34
Strand CForce and Motion Benchmark
SC.C.2.3.4
F. 3
H. 12
G. 5
I. 90
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You are Correct!
Why are G, H, and I not correct?
36
Strand DProcesses that Shape the Earth
Benchmark SC.D.1.3.1

• adhesion

B. friction
C. gravity
D. magnetism
37
Congratulations,
You are correct!
Why are A, B, and D not correct?
38
Benchmark SC.D.1.3.5
F. 0.15 km/s
H. 6.5 km/s
G. 93.86 km/s
I. 28.5 km/s
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You are correct!
40
Benchmark SC.E.1.3.1 SC.E.1.3.2
F.
G.
H.
I.
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You are correct!
Why are F, G, and I not correct?
42
C. energy production
A. air exchange
B. growth and repair
D. contraction and relaxation
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You are Correct!
Why are A, B, and C are not correct?
44
Strand FProcesses of Life
Benchmark SC.F.1.3.1
F. oxidation
G. protection
H. respiration
I. variation
45
You are correct!
Why are F, H and I not correct?
46
Benchmark SC.G.1.3.3 SC.G.1.3.1 SC.G.1.3.5
C. how energy transfers from consumer to
producer

• how energy flows
• between organisms

B. how energy increases along a food chain
D. how energy remains constant along a food
chain
47
You are correct!
Why are B, C, and D not correct?
48
Strand HThe Nature of Science
Benchmark SC.H.1.3.1
F. Modern society demands more accuracy in
science.
G. Computer-generated art increases
scientists artistic skills.
H. Scientists are more open to changing
ideas than in the past.

• New information allows scientists
• to modify earlier ideas.

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You are correct!
Why are F, G, and I not correct?
50
Benchmark SC.H.1.3.4

• A. pulling the masses too slowly

C. air resistance experienced while
pulling the masses
B. the precision of the measuring devices
D. decreasing the surface friction for
the second test of each mass
51
You are correct!
Why are A, C, and D not correct?
52
Strand BEnergy Benchmark
SC.B.1.3.1
A. chemical
B. electric
C. light
D. mechanical
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You are correct!
Why are B, C and D not correct?
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Strand BEnergy Benchmark SC.B. 1.3.6
SC.C.1.3.2
F. speed of light
G. speed of sound
H. speed of the storm
I. speed of the lightning
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You are correct!
Why are F, H, and I not correct?
56
Strand EEarth and Space Benchmark
SC.E.1.3.1 SC.E.1.3.2
A. ¼ of a year
B. 4 years
C. 6 years
D. 24 years
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You are Correct!
Why are A, C and D not correct?
58
Strand EEarth and Space
Benchmark SC.E.2.3.1 SC.E.1.3.3
F. Earth is inside the galaxy
G. Earth is close to the other stars in the
galaxy
H. Earth is rotating too quickly to view the
galaxy.
I. Earths atmosphere distorts light from the
galaxy.
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You are Correct!
Why are G, H, and I not correct?
60
Strand HThe Nature of Science
Benchmark SC.H.1.3.4 SC.H.1.3.7

• He graphed his
• results.

B. He used a lengthy procedure.
C. He repeated his experiment on several days.
D. He recorded the temperature in metric units.
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Congratulations,
You are correct!
Why are A, B, and D not correct?
62
Strand FProcesses of Life
Benchmark SC.F.1.3.5
F.
H.
G.
I.
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You are correct!
Why are F, H, and I not correct?
64
Strand FProcesses of Life
Benchmark SC.F.2.3.2
A. EE and EE
B. Ee and Ee
C. EE and ee
D. ee and ee
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You are correct!
Why are A, C, and D not correct?
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Strand BEnergy Benchmark
SC.B.1.3.6 SC.C.1.3.2
C. 30 Hz
A. 0.5 Hz
B. 6.67 Hz
D. 60 Hz
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You are Correct!
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Strand CForce and Motion Benchmark
SC.C.2.3.6 SC.C.2.3.2 SC.C.2.3.3

SC.C.2.3.5
F. 170 N
G. 33.32 N
H. 490 N
I. 5.1 N
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You are correct!
70
Strand CForce and Motion
Benchmark SC.C.2.3.1
F. Electric forces are acting on the ball.
H. Magnetic forces are pushing the ball.
G. Air resistance is accelerating the ball.
I. Gravitational force is pulling on the
ball.
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You are correct!
Why are F, G, and H not correct?
72
Strand DProcesses that Shape the Earth
Benchmark SC.D.1.3.5
The Rocky Mountains are known for beautiful
scenery. Which processes of the Rocky Mountains
most likely required the longest period of time
to occur?
A. growth of plants and trees
C. large uplift of the land from tectonic
forces
B. formation of valleys from glaciers
D. large accumulation of snow on the
mountain tops
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You are correct!
Why are A, B, and D not correct?
74
Strand DProcesses that Shape the Earth
Benchmark SC.D.1.3.4 SC.D.1.3.2
F. erosion
G. flooding
H. weathering
I. soil formation
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You are correct!
Why are G, H, and I not correct?
76
Strand GHow Living Things Interact with Their
Environment
Benchmark SC.G.2.3.1 SC.B.2.3.2

• using more electricity
• as a source of heat

C. using more electricity as a source of heat

B. using more solar energy as a source of heat
D. using more oil or natural gas as a source of
heat
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You are correct!
Why are A, C, and D not correct?
78
The End