taks gr11 ela/m/ss/sci rel '03 - texas education agency
TRANSCRIPT
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SCIENCE
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Density =
( ) = ( )( )( )Speed =
Acceleration =
Momentum = mass × velocity
Force = mass × acceleration
Work = force × distance
Power =
% efficiency = × 100
Kinetic energy = (mass × velocity 2)
Gravitational potential energy = mass × acceleration due to gravity × height
Energy = mass × (speed of light) 2
Velocity of a wave = frequency × wavelength
Current =
Electrical power = voltage × current
Electrical energy = power × time
voltageresistance
12
work outputwork input
worktime
final velocity − initial velocitychange in time
distancetime
specificheat
change intemperature
mass ingrams
heat gained orlost by water
massvolume
FORMULA CHARTfor Grade 11 Science Assessment
Constants/Conversions
g = acceleration due to gravity = 9.8 m/s 2
c = speed of light = 3 × 10 8 m/s
speed of sound = 343 m/s at 20°C
1 cm 3 = 1 mL
1 wave/second = 1 hertz (Hz)
1 calorie (cal) = 4.18 joules
1000 calories (cal) = 1 Calorie (Cal) = 1 kilocalorie (kcal)
newton (N) = kgm/s 2
joule (J) = Nm
watt (W) = J/s = Nm/s
volt (V) ampere (A) ohm (Ω)
D =
Q = (m)(∆T)(Cp)
s =
a =
p = mv
F = ma
W = Fd
P =
% = × 100
KE =
GPE = mgh
E = mc 2
v = f λ
I =
P = VI
E = Pt
VR
mv 2
2
WO
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Wt
vf − vi
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DIRECTIONSRead each question and choose the best answer. Then fill in the correct answer on your answerdocument.
SAMPLE A
When a 10% hydrochloric acid solution isheated in an open test tube, the test tubeshould always be pointed —
A so bubbles are visible
B at a 180° angle from the flame
C toward a ventilated area
D* away from nearby people
10/11 Science Sample A
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SAMPLE B
Mass = 40 g
Volume = 20 mL
The picture shows a cube that contains 20 mL of a solution. The solution has a mass of 40 grams. What isthe density in g/mL of this solution? Record and bubble in your answer on the answer document.
Correct Answer: 2
10/11 Science Sample B
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3 Which of the following groups containsmembers with similar chemical reactivity?
A Li, Be, C
B* Be, Mg, Sr
C Sc, Y, Zr
D C, N, O
11EN04I07DZ01598
2 Because of this animal’s adaptations, it wouldbe most successful at —
F competing with birds
G making its own food
H* hiding from predators
J running very rapidly
11EN03B07BZ01382
1 The safest way to dilute concentrated sulfuricacid is to add —
A a series of small volumes of water to theacid while stirring
B* the acid to water slowly while stirringconstantly
C the acid to a small volume of water andthen add more water
D dilute sulfuric acid to a small volume ofthe concentrated acid
11EN01B01AZ01078
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6 Most viruses infect a specific kind of cell.Which of the following are infected by thehuman immunodeficiency virus (HIV)?
F* Helper T cells
G Liver cells
H GABA-receptor cells
J Red blood cells
11EN03B04CZ01151
5 The smell of an ammonia solution used toclean a floor can quickly be detectedthroughout a house. Scientists explain thisphenomenon by theorizing that gas moleculesfrom the ammonia are in continuous randomhigh-speed motion, drifting rapidly andpermeating the air. Which statement bestdemonstrates the strength of this theory?
A* Scientists have observed tiny smokeparticles moved by unseen particles in arapid, irregular fashion.
B Scientists have unanimously agreed onthis theory since Thomas Graham’sexperiments in the 1820s.
C The possibility of another theory beingformed to explain the phenomenon as wellis very remote.
D Reason, as opposed to experimentation, issuperior to any explanation found throughchemical testing.
11EN01I03AZ01126
4 The picture shows the position of a ball every 0.25 second on a photogram. Using a ruler, determine thevelocity of the ball.
F 3.5 cm/s
G 10.5 cm/s
H* 14.0 cm/s
J 28.0 cm/s
11EN01B02BZ01475
Direction of Motion
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7 Many doctors recommend 800 µg of folate, 400 µg of vitamin B12, and 50 mg of vitamin B6 per day toimprove cardiovascular health. Based on this information and the nutrition label, the cardiovascularhealth benefit of a 1-ounce serving of this cereal is —
A* doubtful because it provides insufficient folate and vitamin B6 and lacks vitamin B12
B superb because it contains only 22 g of carbohydrates and 75 mg of sodium
C excellent because it provides all needed vitamins and is low in fat and cholesterol
D poor because it raises blood cholesterol levels with its high fat and cholesterol content
11EN01I03BZ01501
Nutrition Information
Calories:Protein:Fat:Carbohydrates—Total:—Sugars:Cholesterol:Dietary fiber:Sodium:Thiamine:Riboflavin:Niacin:Vitamin B6:Folate:Calcium:Iron:
1205.8 g0.3 g
22 g 5 g
0 mg1.5 g
75 mg0.29 mg0.5 mg2.6 mg0.5 mg100 µg300 mg1.5 mg
Serving Size 1 oz (28 g)
CerealCopresents New
Fantastic Scereal with real fruit
A wholesome way to tantalize your tongue and lower your
risk of heart attack!
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8 Some bacteria benefit mammals by helpingwith —
F growth
G defense
H* digestion
J respiration
11EN03B04DZ01Z24
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9V
10
20
30
40
50
60
70
80
0
20
10
90
100
110
¡C
9 This experiment probably was set up to determine —
A how much mechanical energy the battery produces
B the pH of water during electrolysis
C the pressure created by an electric current
D* how much energy is converted to heat
11EN01B02AZ01468
10 A 0.2 g crystal of gypsum dissolves very slowlyin 100 mL of water while the water is stirred.Which of these would cause the gypsum todissolve faster?
F Decreasing the water temperature
G Stopping the stirring
H Lowering the air pressure
J* Crushing the crystal
11EN04I09DZ01259
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12 The bullfrog, Rana catesbeiana, is most closelyrelated to the —
F spotted chorus frog, Pseudacris clarki
G Asian flying frog, Polypedates leucomystax
H* northern leopard frog, Rana pipiens
J African bullfrog, Pyxicephalus adspersus
11EN02B08CZ01792-0107
11 The frog leaps from its resting position at thelake’s bank onto a lily pad. If the frog has amass of 0.5 kg and the acceleration of the leapis 3 m/s 2, what is the force the frog exerts onthe lake’s bank when leaping?
A 0.2 N
B 0.8 N
C* 1.5 N
D 6.0 N
11EN05I04BZ01793-0107
11EN0107
Use the illustration below and your knowledge of science to answer questions 11 and 12.
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15 An advertisement claims that patients canbe cured of the common cold in 48 hoursby vitamin C tablets with secret mineralsupplements. In a scientific experiment to testthese claims, which data can be consideredirrelevant?
A The amount of vitamin C in each tablet
B The severity of the patients’ coldsymptoms
C* The chemical formula for vitamin C
D The amount of time before symptomsimprove
11EN01I03AZ01123
14 Which process best shows the conversion ofsolar energy to chemical energy?
F Prevailing winds causing windmills tospin
G* Green plants making their own food
H Uranium producing heat to make steam
J Tides generating electricity
11EN05I06AZ01564
13 Four lab groups measured the volume of acid required to neutralize a standard solution of sodiumhydroxide base. Which of the groups measured the volume with the highest precision?
A C
B D*
11EN01B02BZ01104
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16 A portion of the human excretory system is represented in the diagram. The order in which urine flowsthrough the system is —
F urethra → bladder → ureter → kidney
G ureter → kidney → bladder → urethra
H* kidney → ureter → bladder → urethra
J bladder → urethra → kidney → ureter
11EN02B10AZ01753
17 All of these can affect the rate at which a soliddissolves in water except —
A* decreasing air pressure
B stirring the water
C increasing the temperature of the water
D using larger crystals of the solid
11EN04I09DZ01554
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20 A sample of an element has a volume of 78.0 mL and a density of 1.85 g/mL. What isthe mass in grams of the sample? Record andbubble in your answer to the nearest tenth onthe answer document.
Correct Answer: 144.3
11EN04I07AZ01802-0132
K + H2O → KOH + H2
19 What is the coefficient for H2O when theabove equation is balanced?
A 1
B* 2
C 3
D 4
11EN04I08CZ01227
18 Energy used by producers in a grassland foodweb is provided by —
F* sunlight
G photosynthesis
H oxygen
J carbon dioxide
11EN03B09DZ01765
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S
T
Q
R
21 The diagram shows physical changes thatoccur in the water cycle. Which of these showscondensation?
A Q
B R
C S
D* T
11EN04I08AZ01230
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Texas Soybean Production
Soil Type Loam/clay
Year
Annual Rainfall(centimeters)
Average O3 Level(parts/million)
Average Crop Yield(bushels/acre)
1998 1999 2000
123
0.04
34
134
0.08
28
122
0.09
26
Loam/clay
1998 1999 2000
120
0.08
28
132
0.08
27
117
0.07
29
Loam/clay
1998 1999 2000
132
0.10
25
136
0.08
28
115
0.06
31
Study Region 1 2 3
22 The table shows environmental factors and soybean production for three regions. Which of the followingprobably accounts for the decrease in soybean yield in Region 1?
F* High levels of ozone damaged the soybean plants, decreasing the average yield.
G Low rainfall amounts failed to meet the plants’ moisture needs and inhibited growth.
H Poor mineral levels found in the soil in that region limited the soybean harvest.
J Higher-than-normal rainfall increased pest activity, decreasing the average yield.
11EN01B02DZ01464
23 According to the periodic table, which elementmost readily accepts electrons?
A* Fluorine
B Nitrogen
C Arsenic
D Aluminum
11EN04I07DZ01414
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27 A ball moving at 30 m/s has a momentum of15 kg·m/s. The mass of the ball is —
A 45 kg
B 15 kg
C 2.0 kg
D* 0.5 kg
11EN05I04AZ01326
26 If a cat has 38 chromosomes in each of itsbody cells, how many chromosomes will be ineach daughter cell after mitosis?
F 11
G 19
H* 38
J 76
11EN02B06BZ01136
25 A block of maple wood with a volume of 405 cubic centimeters and a density of0.67 g/cm3 is sawed in half. The densityof the two smaller blocks is now —
A one-fourth the original density
B one-half the original density
C two times the original density
D* the same as the original density
11EN04I07AZ01Z10
24 If the template of a strand of DNA is 5' AGATGCATC 3', the complementary strandwill be —
F* 3' TCTACGTAG 5'
G 5' CTACGTAGA 3'
H 3' AGATGCATC 5'
J 5' AGACGTCTA 3'
11EN02B06BZ01157
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29 Nutrients from digested food move from thedigestive system directly into the —
A* circulatory system
B integumentary system
C excretory system
D endocrine system
11EN02B10BZ01649
30 An herbal company advertises that its productwill help people lose weight if they take atablespoon of the product with a glass of waterat bedtime each night. Weight loss isguaranteed if a person does not eat for at least3 hours before bedtime, gets moderateexercise, and drinks 8 glasses of water eachday. Why is the company’s claim difficult toverify?
F The company has yet to disclose theidentity of its special herb.
G* Numerous uncontrolled variables areinvolved in evaluating results.
H Fasting lessens the absorption rate of theherb.
J The advertisement lacks data from beforeand after the weight loss.
11EN01I03BZ01129
28 The table shows times required for water toevaporate from identical containers. Which ofthese is the best question to ask beforedeveloping a reasonable hypothesis to explainthe data?
F* Why does a lower temperature slow therate of evaporation?
G What is the boiling point of the waterafter both samples are heated?
H Why does water exist as a solid at −15°Cand as a liquid at 25°C?
J How does the rate of evaporation changewhen a different container is used?
11EN01B02AZ01094
25
72
–15
24
25
25
AContainer B
Volume of Water
(mL)
Temperature (˚C)
Time Required (h)
Time Required for Water Evaporation
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33 Two clear solutions are placed in separatebeakers. The first solution has a pH of 4, andthe pH of the second solution is unknown. Ifthe two solutions are mixed and the resultingpH is 5, the second solution must have —
A fewer suspended solids
B a lower temperature
C more dissolved salt (NaCl) particles
D* a higher concentration of OH– ions
11EN04I09BZ01247
32 One tuning fork is struck and placed next toan identical fork. The two forks do not touch.The second tuning fork starts to vibratebecause of —
F interference
G the Doppler effect
H* resonance
J standing waves
11EN05I05BZ01100
31 An environmental-science company measured the ozone pollutant levels at two different locations in ametropolitan area. Which statement is best supported by these data?
A Lower fuel efficiency and northerly winds in the winter increase ozone pollution the most.
B Northwest winds in the spring transport ozone pollution into the metropolitan area.
C* High summer temperatures and southerly winds contribute to high levels of ozone.
D Heavy use of automobiles changes ozone levels the most.
11EN01B02DZ01562
Ozone Levels for a Metropolitan Area
Date LocationHigh
Temperature(°C)
PrevailingWind
Ozone Level(ppm)
1/15/99Downtown
NW Station
13
11
NE 5 mph
NE 10 mph
0.01
Trace
22
21
30
31
38
38
3/15/99Downtown
NW StationCalm
Calm
0.03
0.03
5/15/99Downtown
NW Station
SE 10 mph
SE 5 mph
0.05
0.06
7/15/99Downtown
NW Station
S 5 mph
S 5 mph
0.12*
0.14*
*Unsafe levels of ozone above 0.10 ppm
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38 In DNA, which of the following determines thetraits of an organism?
F Amount of adenine
G Number of sugars
H* Sequence of nitrogen bases
J Strength of hydrogen bonds
11EN02B06AZ01156
37 Which of these groups of organisms wouldmost likely have accumulated the largestconcentration of a long-lasting chemicalpollutant in their bodies?
A Phytoplankton
B Zooplankton
C Lake trout
D* Gulls
11EN03B12EZ01626
Phytoplankton
Zooplankton
SmeltLake trout
Gulls
36 Which question is valid in testing thishypothesis?
F Do most other scientists agree with thehypothesis?
G* Could abiotic processes account for thecarbon dioxide?
H What is the percent of argon compared tocarbon dioxide in the Martianatmosphere?
J Have the scientist’s other predictionsabout Mars been validated?
11EN01B02AZ01469
A scientist has hypothesized that theexistence of life on Mars is likely becauseMars’s atmosphere is 95% carbon dioxide.
35 Clown fish are small reef fish that seekprotection from predators by shelteringthemselves among the stinging tentacles of sea anemones. Clown fish are veryterritorial and can potentially scare offpredators of sea anemones. This relationshipis an example of —
A neutralism
B* mutualism
C parasitism
D commensalism
11EN03B12BZ01764
34 When a sea urchin egg is removed from theocean and placed in freshwater, the egg swellsand bursts. Which of these causes water toenter the egg?
F Coagulation
G Sodium pump
H Active transport
J* Osmosis
11EN02B04BZ01133
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40 If the properties of water were to change sothat the solid form was denser than the liquidform, organisms living in a cold pondenvironment would be less likely to survivebecause water would no longer —
F dissolve enough oxygen from the air
G produce solutions containing vitalnutrients
H remain neutral, instead becoming highlyacidic
J* produce a floating insulating layer of ice
11EN04I09AZ01545
+ +
Calcium Zinc carbonate Calcium carbonate Zinc
64 g 192 g 152 g ? g
Ca ZnCO3 CaCO3 Zn
Aqueous Solution Aqueous Solution
39 According to the law of conservation of mass, how much zinc was present in the zinc carbonate?
A 40 g
B 88 g
C* 104 g
D 256 g
11EN04I08CZ01241
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100 m
95 kg
41 What is the potential energy of the rock?
A 59,900 joules
B 64,600 joules
C* 93,100 joules
D 121,600 joules
11EN05I06AZ01560
15 m
20 N
50 kg
Start Stop
42 How much work is performed when a 50 kg crate is pushed 15 m with a force of 20 N?
F* 300 J
G 750 J
H 1,000 J
J 15,000 J
11EN05I04AZ01276
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46 Two science students discovered that the massof a sample of acetone in an open beakerdecreased within a few minutes. One studenthypothesized that the acetone reacted withoxygen to form a gaseous compound thatescaped. The other student believed that theacetone evaporated into the air. What shouldthe students do to test these hypotheses?
F Combine the hypotheses so they give validpredictions of the acetone’s behavior
G Conduct a study of original papersdescribing the experiments leading toacetone’s discovery
H* Perform an experiment that attempts toidentify the gas above the open beaker
J Ask a classmate’s opinion about thechemical and physical properties ofacetone
11EN01B02AZ01093
45 If a force of 100 newtons was exerted on anobject and no work was done, the object musthave —
A accelerated rapidly
B* remained motionless
C decreased its velocity
D gained momentum
11EN05I04AZ01581
43 Heat convection occurs in gases and liquids.Heat convection does not occur in solidsbecause solids are unable to —
A absorb heat by vibrating
B* transfer heat by fluid motion
C emit radiation by reflecting light
D exchange heat by direct contact
11EN05I06BZ01568
44 According to the table, which workers havethe greatest chance of experiencing significanthearing loss over time?
F Police traffic officers
G Shoe-factory workers
H* Road-construction crews
J Library desk clerks
11EN01B02DZ01489
Source
Sound Intensity
Rustling leaves
Library
Busy traffic
Factory
Heavy truck
Subway
Construction
Jet engine
Rocket engine
20
40
70
80
90
100
110
150
180
Intensity(dB)
90 dB—Endangers hearing120 dB—Pain threshold
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47 Which graph best shows the comparison of the elements to the total composition of the copper ore?
A C
B D*
11EN01B02CZ01480
Composition of Copper OreOther 8.38%
Cu28.42%
Fe24.98%
O9.54%
S28.68%
Composition of Copper Ore
Sulfur
Copper
Iron
5%
Oxygen
Other
Key:
Composition of Copper Ore
Per
cent
30
20
10
S Cu Fe O OtherElement
Composition of Copper Ore
Element
Per
cent
30
20
10
S Cu Fe O Other
Element
Composition of a Copper Ore
Sulfur
Copper
Iron
Oxygen
Other
Total
28.68
28.42
24.98
9.54
8.38
100 xx
Percent
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50 A solar heater uses energy from the sun toheat water. The heater’s panel is paintedblack to —
F improve emission of infrared radiation
G reduce the heat loss by convectioncurrents
H* improve absorption of infrared radiation
J reduce the heater’s conducting properties
11EN05I06BZ01308
49 Which of these classifications is most specific?
A Family
B* Genus
C Phylum
D Order
11EN02B08CZ01736
48 The diagram shows an electric motor lifting a 6 N block a distance of 3 m. The total amount of electricalenergy used by the motor is 30 J. How much energy does the motor convert to heat?
F 9 J
G* 12 J
H 18 J
J 21 J
11EN05I04DZ01283
3 m
30J used
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52 Compared to annual rings of trees that haveexperienced years of sufficient rainfall, theannual rings of trees that have experienced adry period will —
F be softer
G grow at a faster rate
H* be thinner
J photosynthesize at a faster rate
11EN03B13AZ01623
51 At which temperature do KBr and KNO3 have the same solubility?
A 27°C
B* 48°C
C 65°C
D 80°C
11EN01B02CZ01389
Temperature(°C)
0 20 40 60 80 100 120
20
40
60
80
100
120
140
160
180
200
220
240
NaCIO3
NaCI
KNO3 KBr
Solubility(g/100 g of H2O)
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BE SURE YOU HAVE RECORDED ALL OF YOUR ANSWERS
ON THE ANSWER DOCUMENT.
55 A science class is conducting an experimentthat produces noxious fumes. Because ofinadequate ventilation, some students beginto feel nauseated and dizzy. The first responseshould be to —
A neutralize the acid that is reacting toproduce the noxious fumes
B carry the reactants outside, away fromother students
C* leave the room and go to an area withfresh air
D spray the reaction with a fire extinguisher
11EN01B01AZ01079
54 Which of these activities can help conservenatural resources?
F* Recycling cardboard boxes
G Washing small loads of laundry
H Driving large cars
J Building wooden fences
11EN05I06DZ01Z19
53 The table shows a comparison of some amino acids found in cytochrome c. The two organisms in thetable that are most closely related are —
A Q and T
B R and S
C* Q and R
D Q and S
11EN03B07AZ01Z34
Amino Acid Composition of Cytochrome c in Some Organisms
Amino Acid Organism Q Organism R Organism S Organism T
Alanine 10% 10% 10% 10%
Arginine 4% 4% 4% 4%
Aspartic acid 6% 6% 6% 6%
Cysteine 6% 6% 6% 4%
Glutamic acid 12% 12% 8% 8%
Glycine 4% 2% 4% 4%
Valine 2% 1% 4% 6%
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TTAAKKSS GGRRAADDEE 1111SSPPRRIINNGG 22000033
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