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Transcript
Page 1: Grade 10 10PS Science Practice Test Book Standards Based ... · PDF fileUUUU VVVV WWWW MMMM NNNN OOOO PPPP QQQQ GGGG HHHH IIII JJJJ KKKK AAAA BBBB CCCC DDDD EEEE XXXX YYYY ZZZZ---,,,

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Grade 10Science Practice Test Book

TEACHER USE ONLY

Large PrintBrailleModifi ed – Altered Exam No Score GeneratedAbsentStudent RefusalParent RefusalSuspensionInvalid No Score Generated

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Fill in all that apply.

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10PS08

SCIENCE—SAMPLE QUESTIONS

Directions:

Read Sample Questions A and B. For Sample A, fi ll in the circle that goes with the answer you choose. Be sure to fi ll in the circle completely and make your mark heavy and dark. If you want to change your answer, completely erase the mark you made before making a new mark. For Sample B, write your answer on the lines provided.

SAMPLE A

The picture below shows a humpback whale.

This animal is correctly classified into which group?

A birds

B reptiles

C mammals

D amphibians

SCIENCE

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310PS08

SCIENCE

SAMPLE B

The table below shows data for five Alaska volcanoes.

Alaska Volcanoes

Volcano Approximate Height in Feet (2007)

Mt. Griggs 7,602

Mt. Denison 7,605

Mt. Shishaldin 9,373

Mt. Spurr 11,070

Mt. Wrangell 14,163

Give two correct conclusions based on these data.

1.

2.

STOP

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10PS08

SCIENCE

1. Which human activity can have the greatest positive effect on global climate change by helping to reduce the amount of carbon dioxide in the atmosphere?

A removing trees to build houses

B recycling plastics to manufacture materials

C limiting internal combustion engines that power automobiles

D using alternatives to chlorofl uorocarbons (CFCs) for refrigeration

2. An incandescent light bulb is shown below.

A typical incandescent light bulb has an energy efficiency of about ten percent. What is the meaning of this statement?

A Ten percent of the bulb’s light energy becomes heat energy.

B Ten percent of the energy used by the bulb becomes light energy.

C The bulb uses ten percent less electrical energy than other bulbs.

D The bulb will save ten percent on electrical energy costs per year.

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SCIENCE

3. Why do eukaryotic cells require mitochondria?

A to break down cell debris for recycling

B to control division for cell reproduction

C to release stored energy for cell activities

D to package materials inside cells for transport

4. Two people are trying to push a large box across a floor. Each person pushes with an equal amount of force.

The total amount of force they exert on the box is 500 newtons. Despite their efforts, the box will not move. What is the amount of force exerted by the box on each person?

A 0 newtons

B 250 newtons

C 500 newtons

D 1,500 newtons

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SCIENCE

5. Which statement best explains how iron can become a magnet?

A Electrons are easily removed.

B Electrons spin in a unique direction.

C Atoms are strongly bonded together.

D Atoms have smaller nuclei.

6. Which statement explains why stars appear to change position in Earth’s sky over thousands of years?

A Stars are orbiting a central location in our solar system.

B Stars are viewed from different positions in our solar system.

C Stars are moving apart due to the continuous expansion of the universe.

D Stars are pulled by gravity toward a black hole at the center of the universe.

7. Which is a primary function that kidneys perform for the excretory system?

A They control sensory input using nerve cells.

B They conduct chemical digestion using hormones.

C They remove waste from blood using fi ltration structures.

D They exchange oxygen for carbon dioxide using capillaries.

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SCIENCE

8. In 1909, Ernest Rutherford conducted an experiment in which he shot a beam of positively-charged particles at a thin gold foil. Based on the model of the atom at that time, Rutherford hypothesized that these particles would pass straight through the gold foil and hit a target (diagram 1). Rutherford’s results are shown in diagram 2.

diagram 1

gold foil target

source ofpositively-charged

particles

diagram 2

targetgold foil

source ofpositively-charged

particles

Which evaluation of Rutherford’s hypothesis is most reasonable?

A It was supported because some of the particles went through the foil without changing direction.

B It was supported because some of the particles changed direction as they went through the foil.

C It was not supported because some of the particles went straight through the foil without changing direction.

D It was not supported because some of the particles changed direction as they went through the foil.

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SCIENCE

9. Which statement describes the relationship between a structure and function of the lungs?

A The surface area of the lungs allows for the exchange of oxygen with the blood.

B The surface area of the lungs allows for the warming of cold air before entering the blood.

C The softness of the lungs allows for the movement of nutrients from the lungs to the blood.

D The softness of the lungs allows for the absorption of carbon dioxide by the blood in the lungs.

10. A lake is surrounded by hills covered with trees and shrubs. Which statement correctly describes how a change to the plants in this area will affect this environment?

A Adding plants to the hillsides will increase sedimentation in the lake.

B Adding plants to the edge of the lake will increase erosion by the lake.

C Removing plants from the hillsides will increase erosion on the hills.

D Removing plants from the edge of the lake will increase sedimentation on the hills.

11. A diagram of the electromagnetic spectrum is shown below.

Electromagnetic Spectrum

gammarays

x-rays ultraviolet visiblelight

infraredwaves

microwaves radiowaves

Sunscreen is a lotion used to protect skin from exposure to the Sun. This sunscreen protects a person’s skin from wavelengths that are

A longer than radio waves but shorter than x-rays.

B longer than x-rays but shorter than infrared waves.

C longer than microwaves but shorter than infrared waves.

D longer than visible light waves but shorter than radio waves.

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SCIENCE

This question is worth 2 points.

12. Study the illustration below.

tapeballoon

YX Z

string

straw

A string is threaded through a straw that is attached to a long balloon. When the balloon is released, it accelerates along the length of the string from point X to point Y. At point Y, the balloon begins to decelerate until it stops at point Z. The experiment is repeated 3 times and the positions of points Y and Z are recorded.

A. Describe one set of action-reaction forces that are involved in accelerating the balloon from point X to point Y.

B. Describe one set of action-reaction forces that are involved in decelerating the balloon from point Y to point Z.

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SCIENCE

13. The graphs below show data related to trends in energy production.

20

10

0

Year

Ene

rgy

(thou

sand

BTU

s)

1950 1970 1990 2010

Key= petroleum= natural gas= coal

Comparision of User Group Energy Sources100

80

60

40

20

0

Perc

ent o

f Ene

rgy

Use

d

Key= transportation= industrial= residential and commercial= electric power production

petroleum naturalgas

coal

If these energy production trends continue, which user group will be most negatively impacted?

A transportation

B industrial

C residential and commercial

D electric power production

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SCIENCE

14. Which team would be most appropriate for determining whether life exists on Mars?

A two meteorologists and two astronomers

B two physicists and two mathematicians

C a pilot, a navigator, a technician, and an engineer

D a biologist, a chemist, an engineer, and a geologist

15. Alpha particle radiation will most likely result when

A two atoms are near one another.

B the nucleus becomes unstable.

C atoms become charged.

D electrons gain energy.

16. During the early 1900s, Fritz Haber and Carl Bosch developed an economical method for synthesizing ammonia. The result of their research was the development of inexpensive plant fertilizers. Which statement best describes a possible motive for their research?

A to provide a method for reducing acid levels in soils

B to provide a method for reducing nitrogen in the atmosphere

C to fi nd a better way of producing food for the increasing world population

D to fi nd a better way of producing cost-effective household cleaners

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SCIENCE

17. According to the periodic table, which statement correctly describes the change from a neutral atom of an element to its ion?

A A fl uorine atom forms a F –1 ion by losing one electron.

B A sodium atom forms a Na+1 ion by losing two electrons.

C A magnesium atom forms a Mg+2 ion by gaining two electrons.

D A phosphorus atom forms a P –3 ion by gaining three electrons.

18. A rock cycle diagram is shown below.

magma

metamorphicrock

sedimentaryrock

igneousrock

sediments

4

1 2

3

What happens to rocks at location 3 in the diagram?

A heating and pressing

B melting and cooling

C weathering and eroding

D compacting and cementing

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SCIENCE

19. Which statement best describes the Big Bang Theory?

A Galaxies within the universe collided about 13.5 billion years ago forming the present objects in the universe.

B Existing objects in the universe move randomly with the potential of colliding in about 13.5 billion years.

C Galaxies throughout the universe moved toward each other after an event that occurred about 13.5 billion years ago.

D Most objects in the universe are moving away from each other as a result of an event that occurred about 13.5 billion years ago.

20. The table below shows three carbon cycle processes.

Three Carbon Cycle Processes

Process One Type of Chemical Reaction Occurring During the Process

animal respiration sugars + oxygen → carbon dioxide + water + energy volcanic eruption carbon monoxide + oxygen → carbon dioxide + energyfossil fuel combustion hydrocarbons + oxygen → carbon dioxide + water + energy

How do all three of the processes listed in the table affect another geochemical cycle?

A They affect the water cycle by adding water to the atmosphere.

B They affect the water cycle by removing water from the atmosphere.

C They affect the oxygen cycle by adding oxygen to the atmosphere.

D They affect the oxygen cycle by removing oxygen from the atmosphere.

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SCIENCE

21. Watson and Crick used pieces of wire, plastic spheres, chemical knowledge, and an x-ray image of a deoxyribonucleic DNA molecule to determine that DNA has a double helix structure. Which process of science were they most likely using?

A publishing results

B constructing a model

C developing procedures

D repeating an experiment

22. Where would a new star most likely form?

A in a nebula

B in a supernova

C in a black hole

D in an asteroid fi eld

23. Which feature would most likely be forming at converging continental tectonic plate boundaries?

A rift valley

B deep trench

C volcanic cone

D uplifted mountain

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SCIENCE

24. According to the periodic table, how many neutrons are in a potassium atom that has an atomic mass of 41?

A 19

B 20

C 22

D 39

25. Geologic activity on an island physically separates a population of animals into two populations. Many generations later, when the two populations are no longer separated, they do not interbreed. What was the result of natural selection during this period of separation?

A a decrease in variation

B a decrease in diversifi cation

C an increase in extinction

D an increase in speciation

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SCIENCE

26. A student conducted many trials to determine the effect that variables had on the cycle of a pendulum.

lengthof string

length of pull

pullwasher

Pendulum Experiment Data

TrialLength of

String (cm)

Length of Pull(cm)

Number of Washers*

Time of One Cycle

(sec)1 40 10 1 1.32 40 20 1 1.33 40 20 2 1.34 55 20 2 1.55 55 20 3 1.5

*Each washer has a mass of 10 grams.

A change in which variable changed the time of one cycle?

A length of string

B length of pull

C mass of washers

D number of washers

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10PS08

SCIENCE

This question is worth 4 points.

27. A group of scientists have been observing changes in glacier volume and in ocean water salinity. They believe there is a relationship between these two changes. These scientists think this relationship is also associated with human-caused global climate changes. The graphs below show some of the data scientists collected.

Observed Change in Total Glacier Volume

Los

s of

Gla

cier

Vol

ume

(km

3 )

0

6,0005,0004,0003,0002,0001,000

7,000

19701960 1980 1990 2000Year

Predicted Change in Ocean Water Salinity

Salin

ityTemperature

Explain how an increase in temperature might affect glacier size and ocean water salinity.

Describe one way that a human activity can contribute to global climate change.

Describe how warming ocean water in the Arctic may affect marine organisms.

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SCIENCE

28. In the late twentieth century as people became more concerned about protecting their environment, scientists researched better ways to

A recycle nonrenewable resources.

B increase pesticide runoff into rivers.

C eliminate the use of renewable resources.

D add chlorofl uorocarbons to the atmosphere.

29. Which structure completes the circulatory pathway?

heart artery ? vein heart

A aorta

B atrium

C ventricle

D capillary

30. Two parallel copper wires are each carrying the same electrical current in the same direction. Which statement explains how they respond to each other?

A They repel each other, because they have similar magnetic fi elds.

B They repel each other, because they have opposite magnetic fi elds.

C They strengthen each other, because they have similar magnetic fi elds.

D They strengthen each other, because they have opposite magnetic fi elds.

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SCIENCE

31. Glacial moraines are primarily the result of which of these processes?

A transportation and deposition of rocks

B chemical weathering and erosion of rocks

C transportation and metamorphism of rocks

D metamorphism and physical weathering of rocks

32. When an atom of sodium and an atom of fluorine combine to form the salt, sodium fluoride, an ionic bond, is formed. Which statement correctly describes the behavior of the valence electron in the ionic bond?

A An electron from the fl uorine atom moves to the sodium atom forming two ions.

B An electron from the sodium atom moves to the fl uorine atom forming two ions.

C An electron from the fl uorine atom is shared with the sodium atom forming a sodium ion.

D An electron from the sodium atom is shared with the fl uorine atom forming a fl uoride ion.

33. Why do the positions of stars change in the universe?

A stars get smaller as they age

B stars get bigger as they age

C the universe is contracting

D the universe is expanding

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SCIENCE

34. The illustration below shows the morphological change of two species.

morphological change

species 1 species 2

ancestorspecies

Which statement explains why species 1 and species 2 are different?

A An individual changed itself to suit the environment.

B Natural selection can cause gradual speciation changes.

C Interbreeding of species 2 results in no genetic mutations.

D Extinction of ancestor species occurs as a result of interbreeding.

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SCIENCE

35. A key component of scientific investigation is the review and critique of data by other scientists. This frequently leads to multiple explanations for the results and sometimes causes public discussion. Which of the following is a benefit to society that is most likely derived from this process?

A increased funding for science as people take sides

B increased job opportunities for laboratory scientists

C decreased acceptance of fi ndings based on poor investigations

D decreased emphasis on searching for answers to old questions

36. Which sequence shows the correct pathway through which waste travels in the excretory system?

renal vein kidney ureter urethra bladder

renal artery kidney ureter bladder urethra

A

B

kidney ureter renal artery bladder urethra

urethra kidney ureter renal artery bladder

C

D

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SCIENCE

37. A student pushes a hollow ball with a small amount of force causing it to roll quickly across the room. The student then pushes a solid ball with the same amount of force. Which statement demonstrates an understanding of force and its effects on an object?

A The force on both balls was the same; therefore each ball pushes back with the same amount of force.

B The force on both balls was the same; however each ball pushes back with a different amount of force.

C The solid ball pushes back with a greater force than the hollow ball, because the solid ball has a greater mass.

D The hollow ball pushes back with a greater force than the solid ball, because the solid ball moved faster and further.

38. Humans throughout the world compete with other organisms for water resources. Which technique is best used to manage water resources and allow all components of the environment to share them?

A draining wetlands

B restricting irrigation

C building a hydroelectric dam

D diverting rivers through canals

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SCIENCE

This question is worth 2 points.

39. Organisms such as earthworms and humans have digestive systems made up of a “tube” with food entering through one opening and wastes leaving through another. Simple organisms, like earthworms, tend to have a simple digestive system. Humans, on the other hand, have more complex organs in their digestive system.

A. Develop a model of the human digestive system.

B. Identify one organ in the human digestive system and describe how its structure allows humans to function in environments that simple organisms, like an earthworm, cannot.

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SCIENCE

40. Which statement correctly explains the movement of stars?

A Stars move in a random motion across the sky.

B Stars are moving farther apart across the universe.

C Stars move in a circle around a central point in the universe.

D Stars are moving closer together toward the center of a large blackhole.

41. Which tool is least helpful for predicting weather?

A wind sock

B rain gauge

C barometer

D thermometer

42. Which statement is best supported by the Big Bang Theory?

A Galaxies must all be traveling at the same velocities.

B Galaxies have all taken the same length of time to get to their current positions.

C Those galaxies closer to the starting point have been traveling for less time.

D Those galaxies farther from the starting point have been traveling for a longer time.

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43. Which statement best describes the progress of science?

A It is much slower now that so much is known.

B It is always rational and uninfl uenced by emotion.

C It will eventually prevent most natural disasters.

D It is interrelated to other events happening in society.

44. Which statement explains the function of the diaphragm and its effect on the chest cavity during inhalation?

A The diaphragm relaxes to decrease volume and decrease pressure.

B The diaphragm contracts to increase volume and decrease pressure.

C The diaphragm relaxes to increase volume and increase pressure.

D The diaphragm contracts to decrease volume and increase pressure.

45. According to the periodic table, the neutral atom of what element has 4 protons, 5 neutrons, and 4 electrons?

A beryllium

B boron

C fl uorine

D aluminum

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46. The position of galaxies in the universe was once hypothesized to be constant, but evidence gathered by Edwin Hubble indicated that many galaxies are actually racing away from Earth at high speeds. Which statement is best supported by this discovery?

A A hypothesis is the correct answer to a problem.

B Science is a body of knowledge that is subject to change based on data.

C A hypothesis becomes a law when there are data to support the hypothesis.

D Science is a body of knowledge based on the work of well-known scientists.

47. Which landform would most likely be created when two oceanic plates converge?

A a volcanic island arc

B a large watershed area

C a smooth continental shelf

D a chain of continental mountains

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48. Examine the population curves for wolves and moose in the graph below.

Population Data

Wol

ves

50

40

30

20

10

0

Moo

se

2,500

2,000

1,500

1,000

500

019651955 1975 1985 1995 2005

Year

Key= wolves = moose

Which statement correctly describes the population relationship between the wolves and moose from 1968 to 1973?

A As the moose population increased the wolf population increased.

B As the moose population increased the wolf population decreased.

C As the wolf population decreased the moose population decreased.

D As the wolf population increased the moose population decreased.

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49. Study the table below.

Growth of Bean Plants

Week Average Height of Plants (cm)

Growth Rate (cm/wk)

0 2.2 –

1 7.9 5.7

11.8 3.9

3 15.2 3.4

4 17.7 2.5

5 19.9 2.2

6 21.2 1.3

7 22.1 0.9

8 22.3 0.2

2

An experiment is performed and the growth rate of bean plants is calculated. The growth rate is determined by measuring plant height at the end of each week. Which statement correctly interprets the data?

A The growth rate is constant each week.

B The growth rate is increasing each week.

C The growth rate is decreasing at the same rate each week.

D The growth rate is decreasing at a different rate each week.

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50. The picture below shows a student pulling on a rope that is attached to a wall.

wall

012

10 8 6 4 2

14 16 18 20

020 2

46

8

101214

1618

newtonsx100

Which statement correctly describes the amount of force applied by the wall as the student continues to apply a 250-newton force?

A The wall pulls with a force of 125 newtons against the student.

B The wall pulls with a force of 250 newtons against the student.

C The wall exerts twice as much force as the student.

D The wall exerts no force since it is stationary.

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51. Which of the following best describes the structure-function relationship of a ligament?

A rigid – connecting bone to bone

B fl exible – connecting bone to bone

C rigid – connecting muscle to bone

D fl exible – connecting muscle to bone

52. The illustration below shows rock layers within a mountain.

Mountain Rock Layers

Key

= basalt

= shale

= sandstone

= limestone

Which statement best explains the non-horizontal nature of the layers of rocks?

A Igneous rocks ran down a hill.

B Sediments were laid down on a slope.

C Forces of plate tectonics tilted the layers.

D Erosion within a rift valley formed the layers.

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53. Which statement accurately compares cooking food with microwaves to cooking food with infrared radiation?

A The higher energy of the microwaves fl ows through food better than the lower energy of infrared radiation.

B The shorter wavelength of microwaves fl ows through food better than the longer wavelengths of infrared radiation.

C Microwaves heat the surface of food, and infrared radiation cooks food by friction from vibrating water molecules.

D Microwaves cook food by friction from vibrating water molecules, and infrared radiation heats food from the surface.

54. Which sequence shows the pathway that food takes in the digestive system?

A stomach, esophagus, large intestine, small intestine

B esophagus, stomach, large intestine, small intestine

C stomach, esophagus, small intestine, large intestine

D esophagus, stomach, small intestine, large intestine

55. A scientist is developing a computer model to predict changes in the average surface temperature of Earth over time. Which method would produce the most reliable model?

A using current climate data to predict the average surface temperature 10 years into the future

B using current climate data to predict the average surface temperature 100 years into the future

C using annual climate data from the past 10 years to predict the average surface temperature 100 years into the future

D using annual climate data from the past 100 years to predict the average surface temperature 10 years into the future

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3210PS08

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This question is worth 4 points.

56. The following chart compares cerebellum mass and body mass for a variety of living things. The cerebellum, a part of the central nervous system, is responsible for coordination and control of voluntary movement.

AnimalCerebellum

Mass (grams)

Body Mass (grams)

cat 5.3 3,500dog 6.0 3,500sheep 21.5 25,000cow 35.7 300,000human 142.0 60,000

A. After studying the chart, student A came to the conclusion that the cat was the most coordinated animal listed. Write two statements using information from the data table that either supports or does not support the student’s conclusion.

2.

1.

B. The human central nervous system is composed of the brain and spinal cord. Describe two main functions the spinal cord performs.

2.

1.

STOP

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10PS08

1 2 3 4 5 6 7

PER

IOD

IC T

ABLE

OF

THE

ELEM

ENTS

KE

Y1 H

Hyd

rog

en

1.0

1

4 Be

Bery

lliu

m9

.01

12 Mg

Mag

nes

ium

24

.31

20 Ca

Calc

ium

40

.08

21 ScS

can

diu

m4

4.9

6

22 TiT

itan

ium

47

.87

23 VV

an

ad

ium

50

.94

24 Cr

Ch

rom

ium

52

.00

25 Mn

Man

gan

ese

54

.94

43 TcTe

chnetium

(98

)

75 Re

Rh

en

ium

18

6.2

1

76 Os

Osm

ium

19

0.2

3

44 Ru

Ru

then

ium

10

1.0

7

26 Fe Iro

n5

5.8

5

27 Co

Co

balt

58

.93

28 Ni

Nic

kel

58

.69

29 Cu

Co

pp

er

63

.55

30 Zn Zin

c6

5.4

1

5 BB

oro

n1

0.8

1

6 CC

arb

on

12

.01

7 NN

itro

gen

14

.01

8 OO

xyg

en

16

.00

9 FF

luo

rin

e1

9.0

0

10 Ne

Neo

n2

0.1

8

18 Ar

Arg

on

39

.95

2 He

Heliu

m4

.00

13 Al

Alu

min

um

26

.98

14 Si Sili

co

n2

8.0

9

15 PP

hosp

horu

s3

0.9

7

16 SS

ulfu

r3

2.0

7

17 Cl

Ch

lorin

e3

5.4

5

31 Ga

Galli

um

69

.72

32 Ge

Ger

man

ium

72

.64

33 As

Ars

en

ic7

4.9

2

34 SeS

ele

niu

m7

8.9

6

35 Br

Bro

min

e7

9.9

0

36 Kr

Kry

pto

n8

3.8

0

49 InIn

diu

m1

14

.82

50 Sn Tin

11

8.7

1

51 SbA

ntim

on

y1

21

.76

48 Cd

Cad

miu

m1

12

.41

80 Hg

Merc

ury

20

0.5

9

81 TlT

halli

um

20

4.3

8

82 Pb

Lead

20

7.2

83 Bi

Bis

mu

th2

08

.98

84 Po

Po

lon

ium

(20

9)

85 At

Ast

atin

e(2

10

)

86 Rn

Rad

on

(222)

52 TeTe

lluriu

m1

27

.60

53 lIo

din

e1

26

.90

54 Xe

Xen

on

13

1.2

9

47 Ag

Silv

er

10

7.8

7

79 Au

Go

ld1

96

.97

78 Pt

Pla

tin

um

19

5.0

8

46 Pd

Palla

diu

m

45 Rh

Rh

od

ium

10

2.9

11

06

.42

77 IrIr

idiu

m1

92

.22

42 Mo

Moly

bd

enum

95

.94

74 WTu

ng

sten

18

3.8

4

41 Nb

Nio

biu

m9

2.9

1

73 TaTa

nta

lum

18

0.9

5

40 ZrZ

irco

niu

m9

1.2

2

72 Hf

Hafn

ium

17

8.4

9

58 Ce

Ceriu

m1

40

.12

59 Pr

Pra

seo

dym

ium

14

0.9

1

60 Nd

Neo

dym

ium

14

4.2

4

61 Pm

Pro

met

hiu

m(1

45

)

62 SmS

amar

ium

15

0.3

6

63 EuE

uro

piu

m1

51

.96

64 Gd

Gad

olin

ium

15

7.2

5

65 TbTe

rbiu

m1

58

.93

66 Dy

Dys

pro

siu

m1

62

.50

67 Ho

Ho

lmiu

m1

64

.93

68 ErE

rbiu

m1

67

.26

69 Tm Thuliu

m1

68

.93

70 Yb

Ytt

erb

ium

17

3.0

4

90 ThT

ho

riu

m2

32

.04

91 Pa

Pro

tactiniu

m2

31

.04

92 UU

ran

ium

23

8.0

3

93 Np

Nep

tun

ium

(23

7)

94 Pu

Plu

ton

ium

(24

4)

95 Am

Am

ericiu

m(2

43

)

96 Cm

Cu

riu

m(2

47

)

97 Bk

Berk

eliu

m(2

47

)

98 Cf

Calif

orn

ium

(25

1)

99 EsE

inst

ein

ium

(25

2)

100

FmF

erm

ium

(25

7)

101

Md

Men

del

eviu

m

(25

8)

102

No

No

beliu

m(2

59

)

71 LuLute

tium

17

4.9

7

103 Lr

Law

renciu

m

(26

2)

57 LaL

an

than

um

13

8.9

1

89 Ac

Actin

ium

(22

7)

38 SrS

tro

ntiu

m8

7.6

2

39 YY

ttriu

m8

8.9

1

56 Ba

Bariu

m1

37

.33

88 Ra

Rad

ium

(22

6)

3 LiL

ith

ium

6.9

4

So

diu

m2

2.9

9

11 Na

19 KP

ota

ssiu

m3

9.1

0

37 Rb

Ru

bid

ium

85

.47

55 Cs

Cesi

um

13

2.9

1

87 FrF

ran

ciu

m(2

23

)

1 IA

2 IIA

3 IIIB

4 IVB

5 VB

6 VlB

7V

llB8

91

0V

lllB

11 lB

12 llB

13 lllA

14

lVA

VA

VlA

VllA

15

16

17

Vlll

A1

8

79 Au

Go

ld1

96

.97

Ato

mic

Num

ber

Ele

ment

Sym

bo

l

Ele

ment

Nam

e

Avera

ge A

tom

ic M

ass*

* N

um

bers

within

pare

nth

eses r

efe

r to

the a

tom

ic m

ass o

f th

e m

ost

sta

ble

iso

top

e.

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3140-685-SBA/GR10/PS/STB/S08

Grade 10Science Practice Book

Form 10PS

Copyright © 2008 by Alaska Department of Education & Early Development. The materials contained in this publication may be duplicated by Alaska educators for local classroom use. This permission does not extend to the duplication of materials for commercial use.


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