1. What interaction between

organisms would be described

as parasitic?

A. a mosquito feeding on the blood of a dogB. a bee gathering nectar and pollen from a flowerC. a cleaner shrimp picking dead skin off a large fish

D. a nonpoisonous snake mimicking a

poisonous snake

A. crystallization from melted rockB. formation of sediment from weatheringC. deposition and burial of dead plant matterD. eruption of volcanic ash followed by settling in a layer

2. Coal is usually found underground,

compressed in a layer between other types of

rock. Coal is produced by what rock-forming process?

A. convert to natural gas as a fuel for cookingB. switch to the use of less expensive coal for heatC. lower the temperature setting on the air conditionerD. install solar roof panels to generate additional electricity

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. number of robinsB. number of bushesC. number of acornsD. number of squirrels

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. desertB. grasslandC. arctic tundraD. temperate forest

5. In which environment is white fur

color an advantage for survival?

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.

6. What is the major process of surface rock

formation on volcanoes?

A. cell wallB. nucleusC. chloroplastD. mitochondrion

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. 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.

8. Why is coal considered to be a

nonrenewable energy source?

A. to overcome Earth’s gravitational forceB. to protect equipment from radiationC. to break through the sound barrier

D. to avoid Earth’s magnetic field

9. Why do satellites and spacecraft launched from

Earth need to reach a specific speed to escape Earth’s

surface?

A. stomachB. muscle tissueC. mitochondriaD. digestive system

10. Which is an example of a group of cells with a

common structureand function?

A. eclipsesB. ocean tidesC. seasonal changesD. phases of the moon

11. Which phenomena occur as a

result of the gravitational attraction

between the moon and Earth?

A. kinetic energy into electric energyB. nuclear energy into electric energyC. thermal energy into electric energyD. chemical energy into electric energy

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. The year would be shorter.B. The year would be longer.C. The day would be shorter.D. The day would be longer.

13. What change would occur

if Earth’s rate of rotation

significantly increased?

A. predationB. parasitismC. mutualismD. commensalism

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 doesthis represent?

A. circulationB. digestionC. reproductionD. respiration

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. 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.

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. red giantB. black holeC. white dwarfD. neutron star

17. The sun is a mid-sized, main

sequence star. What stage is next in the life

cycle of the sun?

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.

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. chloroplast and mitochondrionB. mitochondrion and cell wallC. chloroplast and nucleusD. nucleus and cell wall

19. Which two plant cell structures are responsible

for storing energy from sunlight and later releasing

it for cells to use?

A. meterB. light-yearC. kilometerD. astronomical unit

20. Which unit of measurement do

astronomers use when measuring the distance

between two stars found in the Milky Way?

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.

21. The energy of blowing wind can be harnessed to create electricity. Why is

wind considered a renewable energy source?

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.

22. What is the role of the

mitochondrion in cells?

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.

23. Why are fossil fuels called

nonrenewable resources?

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.

24. In what ways do animals depend on the

sun for energy?

A. behaving instinctivelyB. Fossilizing after deathC. Surviving and reproducing successfully

D. Learning a new behavior

25. An adaptation is a characteristic that

improves an organism’s chance of

A. skeletalB. cardiacC. involuntaryD. smooth

26. Which of the following muscles

moves your bones?

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

27. A deer population leaves an area. Which of the following situations

most likely describes why they left?

A. Periods, eons, epochs, eras

B. Eons, eras, periods, epochs

C. eras, periods, epochs, eons

D. epochs, periods, eras, eons

28. Which of the following shows

division of geological time from largest to

smallest?

A. cold frontB. warm frontC. occluded frontD. stationary front

29. A warm air mass slides over a cold air mass forming a(n)

A. Solar energyB. Wind energyC. Natural gasD. Hydroelectric energy

30. Which of the following is a nonrenewable

resource?

A. They have many moons.B. They have ring systems.C. They are rocky.D. They are large.

31. Which of the following is not true about gas giants?

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.

32. In a chemical equation,

A. momentumB. frictionC. gravityD. lift

33. You push on a box, but it doesn’t move.

What force opposes your push?

A. back and forthB. up and downC. in a circleD. in no certain pattern

34. In a transverse wave, the particles

move

A. The objects must touch.B. Radiation must occur.C. The objects must be at different temperatures.

D. Liquids and gases form currents.

35. What condition is necessary for heat to

move from one object to another?

A. making measurements

B. stating a hypothesisC. doing an experimentD. controlling variables

36. Sam asks the question, “what is the density of this block of wood?” Sam can most

easily answer this question by

A. meter stickB. compassC. stopwatchD. spring scale

37. Which tool would you use to measure

the length of a ramp?

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

38. The two chromatids of a

chromosome separate during mitosis because

A. rock fossilB. cast fossilC. mold fossilD. trace fossil

39. The imprint of an animal track in

sedimentary rock is an example of a

A. the brainB. the bodyC. the lungsD. none of the above

40. Where does oxygen-poor blood go

when it leaves the heart?

A. treeB. shrubC. grassD. lichen

41. Which of the following is an example of a

pioneering species?

A. earthquakesB. tectonic plate movements

C. hot spotsD. transform boundaries

42. Faults are not associated

with

A. troposphereB. stratosphereC. mesosphereD. thermosphere

43. The ozone layer, which protects living things on

Earth from harmful ultraviolet radiation, is

found in which layer of the atmosphere?

A. chromosomeB. geneC. chromatidD. mutation

44. The section of DNA that controls a

trait is called a

A. selective cuttingB. reducingC. reusingD. recycling

45. You use an empty shoebox as a container to hold your CDs. This is an

example of a conservation method

called

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

46. The inner planets are made of heavier

elements because

A. 17B. 15C. 7D. zero

47. An atom of chorine has 17 electrons. The number of electrons in chorine’s

third energy level is

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.

48. The force of gravity between two objects is

strongest when

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.

49. Wave A has a higher frequency than Wave B.

Their speeds are the same. How do the wavelengths to

two waves compare?

A. woodB. metalC. clothD. water

50. Which material has the highest

specific heat capacity?

A. probeB. meterstickC. stopwatchD. compass

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. 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

52. What is homeostasis?

A. PrecambrianB. PaleozoicC. MesozoicD. Cenozoic

53. The geological era during which most life

appeared on Earth is the

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.

54. Which of the following describes the

movement of the diaphragm as you inhale

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

55. What is the importance of nitrogen

fixation?

A. tensionB. compressionC. foldingD. faulting

56. What kind of stress does a stretched metal

spring represent?

A. anthracite, bituminous, lignite, peat

B. lignite, peat, anthracite, bituminous

C. bituminous, lignite, peat, anthracite

D. peat, lignite, bituminous, anthracite

57. Which of the following shows the

proper sequence of the formation of coal?

A. Earth’s distance from the sun

B. Earth’s revolutionC. Earth’s rotationD. Earth’s elliptical orbit

58. What causes night and day?

A. nonmetalB. metalC. metalloidD. base

59. An element that is solid at room temperature, ductile, malleable, shiny and a good

conductor is probably a

A. mass and velocityB. mass and acceleration

C. force and frictionD. force and acceleration

60. Momentum depends on

A. infraredB. x raysC. gamma raysD. all of the above

61. Which of the following waves are

produced by the sun?

A. the pennyB. the sweaterC. the juiceD. all are the same temperature

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. gramsB. newtonsC. kilometersD. kilograms

63. You use a spring scale to find the weight of an

object. In which units will you record your measurements?

A. bilateral symmetryB. radial symmetryC. a gutD. an asymmetrical body plan

64. Sponges have

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.

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. 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.

66. What role do decomposers play in the

carbon cycle?

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

67. An igneous rock with fine grains

A. geothermal energyB. hydroelectric energy

C. solar energyD. wind energy

68. Energy from inside Earth’s crust is called

A. space telescopeB. space shuttleC. space stationD. space probe

69. Astronauts can live and work aboard

a

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.

70. Which statement about particles in an atom is false?

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

Which of the following is true about acceleration?

A. waterB. oxygenC. woodD. air

72. In which material does sound travel the

fastest?

A. at the endsB. at the polesC. in the middleD. at the north pole only

73. Where is the magnetic field of a bar

the weakest?

A. 4xB. 10xC. 40xD. 400x

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. is clean.B. is renewable.C. is highly concentrates.

D. requires little land.

75. An advantage of using biomass as a source of

energy is that it

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

76. While a solid is melting, the thermal

energy absorbed

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

77. The law of action and

reaction states that

A. pitchB. frequencyC. wavelengthD. amplitude

78. What wave property controls the loudness of

a sound?

A. current, voltage, resistance

B. current, voltage, amplitude

C. voltage, resistance, power

D. amplitude, resistance, pitch

79. Ohm’s law shows the relationship between

which factors in a circuit?

A. an acidB. a baseC. a neutral substance

D. pure water

80. A solution with a pH of 3 is

A. radio wavesB. gamma wavesC. visible light waves

D. microwaves

81. Which of the following waves carries

the most energy?

A. organismB. speciesC. communityD. ecosystem

82. All the populations living

within an area make up a(n)

A. weathering and erosionB. cementing and compacting

C. heat and pressureD. melting followed by cooling

83. What process break rocks down

into sediment?

A. cell wallB. plasma membrane

C. cytoplasmD. vacuoles

84. What cell structure is responsible for regulating the materials that enter

and exit the cell?

A. observationB. conclusionC. hypothesisD. inference

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. gills of a fishB. fur color of polar bears

C. migration of some birds

D. hunting in wolves

86. Which is an example of an instinctive behavior

adaptation?

A. 250 km/hB. 125 km/hC. 50 km/hD. 25 km/h

87. A car travels a total distance of 250 km in 5 hours. What is the average speed of the

cars?

A. malleabilityB. conductivityC. solubilityD. density

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. PlutoB. JupiterC. EarthD. Mercury

89. Which planet makes one complete orbit

around the sun in the shortest period of time?

A. mineralsB. sunlightC. plantsD. oxygen

90. Which is an example of a nonrenewable natural resource?

A. muscularB. digestiveC. skeletalD. nervous

91. To which human body system does cartilage belong?

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.

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. windB. coalC. oilD. natural gas

93. Which energy resource creates the least amount of

pollution when used to generate electricity?

A. heat-resistant glovesB. a lab apronC. safety gogglesD. disposable plastic gloves

94. Which of the following is not required

when working with chemicals in the

laboratory?

A. over populationB. variation and mutation

C. asexual reproductionD. predation and parasitism

95. Which of the following allows new traits to appear in a

species?

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.

96. What is the relationship between the blood, heart and blood

vessels in the cardiovascular system of

the human body?

A. sand and saltB. rock particleC. bacteria and fungi

D. oxygen and water

97. Which of the following are biotic

parts of soil?

A. malleabilityB. ability to burnC. volumeD. conductivity

98. Which of the following is not a physical

property of matter?

A. thermometerB. psychrometerC. barometerD. anemometer

99. Your classmates have set up a weather station at your school. What tool will

they need to use to determine relative

humidity?

A. It refracts all visible light.

B. It absorbs only yellow light.

C. It reflects only yellow light.

D. It transmits only yellow light.

100. You look at a banana and observe that it has a

yellow color. Why does the banana look yellow?

A. mechanical weathering

B. abrasionC. ice wedgingD. chemical weathering

101. Acid rain can dissolve the minerals in some types od rocks.

This action is an example of

A. the sunB. Earth’s moonC. a space telescopeD. the stars of the Milky Way

102. Which is an example of a

natural satellite?

A. white dwarfB. helium nucleusC. nebulaD. supergiant

103. What is the first stage in the life cycle

of a star?

A. conductionB. convectionC. evaporationD. radiation

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. smell the substanceB. use an indicatorC. feel the substanceD. taste the substance

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?