Base your answers to questions 1 and 2 on the information and diagram below. The diagram represents a three-dimensional solid object of uniform material.

1. The mass of the object could best be determined by

1) using a balance

2) placing it in a beaker of water

3) calculating its circumference

4) counting the number of flat surfaces it contains

2. What is the density of the object?

1) 1.3 g/cm³

2) 5.5 g/cm³

3) 3.2 g/cm³

4) 0.3 g/cm³

3. The diagram below represents a portion of a triple-beam balance.

If the beams are in balance with the riders in the positions shown, what is the total mass of the object?

1) 540.2 g

2) 540.5 g

3) 545.2 g

4) 545.5 g

4. The device below is used for directly measuring which of the following?

1) length

2) mass

3) time

4) volume

5. The sphere was dropped into water in a graduated cylinder as shown below.

What is the volume of the sphere?

1) 15 mL

2) 25 mL

3) 40 mL

4) 65 mL

6. If a wooden block were cut into eight identical pieces, the density of each piece compared to the density of the original block would be

1) less

2) greater

3) the same

7. The diagram at the right represents a cylinder which contains four different liquids, W, X, Y, and Z, each with a different density (D) as indicated. A piece of solid quartz having a density of 2.7 g/cm3 is placed on the surface of liquid W. When the quartz is released, it will pass through

1) W, but not X, Y, or Z

2) W and X, but not Y or Z

3) W, X, and Y, but not Z

4) W, X, Y, and Z

8. All of the following would be helpful in separating a mixture of sand and salt EXCEPT

1) a magnet

2) a glass cup

3) a filter paper and funnel

4) water

9. Which position in the diagram below best represents the Earth on the first day of summer in the Northern Hemisphere?

1) 1

2) 2

3) 3

4) 4

10. In the diagram below, the direct rays of the Sun are striking the Earth's surface at 23 ½ºN. What is the date shown in the diagram?

1) March 21

2) June 21

3) September 23

4) December 21

11. The northern states have several more hours of daylight in summer than in winter. Which statement helps explain this observation?

1) The Earth is tilted on its axis.

2) The distance between the Earth and the Sun varies.

3) The diameter of the Sun appears to change.

4) The speed of the Earth in its orbit changes.

12. The diagram below represents four positions of the Earth as it revolves around the Sun.

How long many months would it take to go from point A to point C?

1) 1

2) 3

3) 6

4) 9

13. Base your answer to the following question on the diagram below. The diagram shows the Earth's position in its orbit around the Sun at the beginning of each season. The Moon is shown at various positions as it revolves around the Earth.

Which position of the Earth represents the beginning of the winter season for the Northern Hemisphere?

1) A

2) B

3) C

4) D

14. Which diagram shows the position of the Earth in relation to the Sun's rays during a winter day in the Northern Hemisphere?

1) 3)

2) 4)

15. A vibrating drum is an example of what kind of energy?

1) nuclear

2) chemical

3) mechanical

4) electric

16. "Stored" energy is known as

1) mechanical energy.

2) kinetic energy.

3) nuclear energy.

4) potential energy.

17. In a battery, the energy is usually stored in the form of

1) mechanical energy.

2) nuclear energy.

3) chemical energy.

4) heat energy.

18. The energy of motion is known as

1) kinetic energy.

2) potential energy.

3) magnetic energy.

4) thermal energy.

19. What kind of energy is stored in natural gas?

1) chemical

2) nuclear

3) mechanical

4) heat

20. What basic form of energy is present in a lightning bolt?

1) nuclear

2) chemical

3) mechanical

4) electrical

21. When a battery is in use, stored energy is changed to

1) electrical energy

2) heat energy

3) light energy

4) mechanical energy

22. Which type of energy conversion occurs in an electric motor?

1) rotational mechanical energy to electrical energy

2) electrical energy to mechanical energy

3) chemical energy to induced electrical energy

4) induced electrical energy to stored chemical energy

23. What energy change occurs when a candle burns?

1) electrical to light and heat

2) chemical to mechanical and nuclear

3) chemical to light and heat

4) mechanical to light and heat

24. An electric car is powered by batteries. This is an example of conversion of

1) chemical into electrical into mechanical energy

2) electrical into chemical into mechanical energy

3) nuclear into electrical into mechanical energy

4) electrical into heat into mechanical energy

25. Solar cells can capture energy from our Sun and transfer this energy for many practical purposes.

List in the correct order the energy exchanges shown by the diagram above.

1) Light →Electrical → Light

2) Light → Mechanical →Light

3) Electrical →Mechanical → Light

4) Light → Electrical →Mechanical

26. An ice cube is placed in a thermos bottle of water at room temperature. Which heat exchange occurs between the ice and the water within the first minute?

1) The ice cube gains heat and the water loses heat.

2) The ice cube loses heat and the water gains heat.

3) Both the ice cube and the water gain heat.

4) Both the ice cube and the water lose heat.

27. In which beaker would the particles have the highest speed?

1) 3)

2) 4)

28. Which diagram correctly shows the processes that change the states of matter?

1)

2)

3)

4)

29. The diagram below shows the heating of water.

The main method of heat transfer occurring within the water is called

1) conduction

2) convection

3) radiation

4) insolation

30. Which diagram shows the water movement that occurs when density differences transfer heat energy within the beaker?

1) 3)

2)

4)

31. The boiling point of a substance is defined as the temperature at which

1) the kinetic energy of the molecules begins to increase

2) a substance changes from liquid to a gas

3) the gas phase can be completely changed to liquid

4) the molecules of the substance break apart

32. The cartoon below shows a humorous view of a scientific phenomenon.

What process is occurring that makes the child's breath become visible?

1) boiling

2) melting

3) condensation

4) evaporation

33. As ice melts, its molecules

1) absorb heat energy and move farther apart.

2) absorb heat energy and move closer together.

3) release heat energy and move farther apart.

4) release heat energy and move closer together.

34. The diagram below shows a series of phase changes.

Which of the following happens as the phase changes from A to B to C?

1) The molecules gain energy.

2) The molecules lose energy.

3) The molecules move further apart.

4) The molecules move faster.

35. Which of the following best describes evaporation?

1) a liquid changes to a solid

2) a solid changes to a gas

3) a solid changes to a liquid

4) a liquid changes to a gas

36. In the diagram below, which arrows indicate phase changes that require the addition of heat?

1) 1 and 2

2) 1 and 4

3) 2 and 3

4) 3 and 4

Base your answers to questions 37 through 39 on the illustration below, showing a variety of activities on a sunny day.

37. Describe how chemical energy is being converted into two other types of energy.

A) ___________________________________________________________________________________________________________________________________________________________________________

B) __________________________________________________________________________________________________________________________________________________________________________

38. Of all the objects shown, which object has the greatest amount of energy?

39. Give an example of how energy is being transferred by radiation.____________________________________________________________________________________________________________________

Base your answers to questions 40 and 41 on the drawing below showing a glass filled with water and ice in a warm environment with water droplets forming on the outside surface.

40. Explain why water drops form on the outside of the glass

41. What two phases of water are shown in drawing?

42. As the elevation above sea level in the Earth's atmosphere increases, the measured atmospheric pressure will

1) decrease

2) increase

3) remain the same

43. In the diagram below, the thermometer held 2 meters above the floor shows a temperature of 30ºC. The thermometer on the floor shows a temperature of 24ºC.

This observation supports the concept that

1) Hot air sinks

2) Hot air rises

3) Cold air rises

44. When visible light strikes a snow-covered, flat field at a low angle, most of the energy will be

1) absorbed by the snow

2) refracted by the snow

3) reflected by the snow

4) radiated by the snow

45. A diagram of the water cycle is shown below. Letters A through D represent the processes taking place.

Which arrow represents the process of evaporation?

1) A

2) B

3) C

4) D

46. By which process does water escape from the beaker?

1) evaporation

2) condensation

3) precipitation

4) sublimation

47. Processes involved in the water cycle are represented by letters in the diagram below.

In which group are these processes correctly identified?

1) A-deamination; B-transpiration; C-condensation; D evaporation

2) A-transpiration; B-evaporation; C-condensation; D-precipitation

3) A-condensation; B-precipitation; C-transpiration; D evaporation

4) A-transpiration; B-deamination; C-condensation; D-precipitation

48. The flowchart below shows part of Earth’s water cycle. The question marks indicate a part of the flowchart that has been deliberately left blank.

Which process should be shown in place of the question marks to best complete the flowchart?

1) condensation

2) deposition

3) evaporation

4) infiltration

49. By which process are clouds, dew, and fog formed?

1) condensation

2) evaporation

3) precipitation

4) melting

50. The cartoon below shows a strong wind blowing from right to left.

The wind is blowing from right to left because the region to the right has a higher

1) air temperature

2) air pressure

3) relative humidity

4) elevation

51. The map below shows a low-pressure system located over an area in the south-central United States.

In the next few days, because of the prevailing winds, the air mass will probably move toward the

1) southeast

2) northeast

3) southwest

4) northwest

52. The cross sections below show different patterns of air movement in Earth's atmosphere. Air temperatures at Earth's surface are indicated in each cross section. Which cross section shows the most likely pattern of air movement in Earth's atmosphere that would result from the surface air temperatures shown?

1)

2)

3)

4)

53. Prevailing winds and upper air currents most often responsible for

1) the generation of tornadoes

2) the strength of hurricanes

3) the movement of air masses

4) the flow of ocean currents

54. In which general direction do air masses move across the continental United States?

1) southwest to northeast

2) southeast to northwest

3) east to west

4) west to east

55. The weather map below shows weather systems over the United States and weather station data for cities A, B, C, and D. Note that part of the weather data for city C and all of the weather data for city E are missing. The pressure field (isobars) on the map has been labeled in millibars.

Which city is probably experiencing a slow, steady rain?

1) A

2) B

3) C

4) D

56. The properties of an air mass depend mainly on the

1) wind speed within the air mass

2) characteristics of the surface over which the air mass was formed

3) size of the air mass

4) rotation of the Earth

57. The characteristics of an air mass which formed over the Gulf of Mexico would probably be

1) cool and dry

2) warm and dry

3) cool and humid

4) warm and humid

58. Base your answer to the following question on the diagram below which represents a surface weather map of a portion of the United States. The map shows a low-pressure system with frontal lines and five weather stations A through E. Note that part of the weather data is missing from each station. [All temperatures are in ºF.]

The weather at station C would most likely be

1) partly cloudy, windy, and very cold

2) partly cloudy and warm

3) overcast, humid, and cool

4) very dry and extremely hot

59. The weather map below shows two air pressure systems covering a large geographic area. Points A through D identify four locations on the map.

At which location is precipitation most likely occurring?

1) A

2) B

3) C

4) D

60. Rapidly falling barometric pressure readings most likely indicate

1) decreasing temperatures

2) decreasing humidity

3) approaching storm conditions

4) clearing conditions

61. Locations A and B on the map of North America below are source regions for air masses.

Compared to the air mass formed at location B, the air mass formed at location A will normally be

1) cooler and drier

2) cooler and wetter

3) warmer and drier

4) warmer and wetter

62. The cross section below shows a weather front. The large arrow shows the direction of the movement of the cool air mass.

Which type of weather front is shown?

1) warm front

2) cold front

3) occluded front

4) stationery front

63. The map shows a weather system that is affecting part of the United States.

Which map best shows the areas in which precipitation is most likely occurring? [Darkened areas represent precipitation.]

1) 3)

2) 4)

64. Which weather change is most likely indicated by rapidly falling air pressure?

1) Humidity is decreasing.

2) Temperature is decreasing.

3) Skies are clearing.

4) A storm is approaching.

65. Which of the following pressure systems is correctly paired with the respective weather conditions?

1) High-pressure and fair weather

2) High-pressure and cloudy, unstable conditions

3) Low-pressure and fair weather

4) Low-pressure and warm, stable conditions

66. Tornadoes occur when a very cold, dry air mass meets a very warm, wet air mass. Which two air masses would most likely form a tornado when they meet?

1) cP and cA

2) cT and mP

3) cP and mT

4) mP and mT

67. The diagram below uses letters A, B, C and D to represent different stages in the water cycle.

Complete the chart above by filling in the missing process or letter.

68. Which substance has a definite shape and a definite volume?

1) liquid

2) solid

3) gas

4) plasma

69. The particles in a solid are arranged

1) randomly and far apart

2) randomly and close together

3) in a pattern and far apart

4) in a pattern and close together

70. The diagrams below show the same amount (50 mL) of the same liquid in three differently shaped containers.

The diagrams show that the liquid phase has

1) no definite volume and no definite shape

2) no definite volume but definite shape

3) definite volume and definite shape

4) definite volume but no definite shape

71. Which graph best represents the relationship between the density of a substance and its state of matter (phase) for most earth materials, excluding water? [Key: S = solid, L = liquid, G = gas]

1) 3)

2) 4)

72. Molecules of H2O move most freely in

1) the solid phase

2) the liquid phase

3) the gas phase

4) ice crystals

73. Which statement correctly describes a sample of gas confined in a sealed container?

1) It always has a definite volume, and it takes the shape of the container.

2) It takes the shape and the volume of any container in which it is confined.

3) It has a crystalline structure.

4) It consists of particles arranged in a regular geometric pattern.

74. Which of the following represents a chemical change?

1) water hardens into ice

2) wood is cut

3) sugar mixes with water

4) charcoal burns

75. In which situation is a chemical reaction occurring?

1) salt dissolves in water

2) a nail rusts

3) ice melts

4) a glass breaks

76. All of the following involve chemical changes, except

1) the burning of gasoline in a car.

2) the dissolving of a sugar cube in cup of coffee.

3) the rusting of a car in a junk yard.

4) the digestion of food in your stomach.

77. Which type of change must occur to form a compound?

1) chemical

2) physical

3) nuclear

4) phase

78. Which particle is electrically neutral?

1) proton

2) ion

3) neutron

4) electron

79. Which particle in the atom has a positive charge?

1) a neutron

2) a proton

3) a beta particle

4) an alpha particle

80. Elements that will not combine with other elements are classified as

1) metals

2) nonmetals

3) noble gases

4) metalloids

81. Which is the formula of a compound?

1) Ca

2) Cl

3) N

4) HF

82. Water is

1) an element

2) a compound

3) a mixture

4) a solution

83. When two or more different elements unite chemically, they form a

1) compound

2) mixture

3) metalloid

4) solution

84. What happens when elements chemically combine?

1) All elements retain their original properties.

2) New properties are formed.

3) Only metals retain their original properties.

4) New elements are formed.

85. When a mixture of water, sand, and salt is filtered, what passes through the filter paper?

1) water, only

2) water and sand, only

3) water and salt, only

4) water, sand, and salt

86. Which substance represents a compound?

1) C(s)

2) Co(s)

3) CO(g)

4) O2(g)

87. The most common solvent is

1) alcohol

2) water

3) salt water

4) hydrochloride

88. A mixture of sand, salt, and water could best be separated from each other by

1) filtering then evaporating

2) evaporating then filtering

3) cooling then filtering

4) heating then distilling

Base your answers to questions 89 and 90 on the charts below, which show two elements (iron and sulfur) and their properties. The arrows indicate that these elements may combine to form either a mixture of iron and sulfur or the compound iron sulfide.

89. How could a student use a magnet to indicate that combining iron and sulfur to produce the mixture of iron and sulfur is a physical change?

90. What evidence indicates that a chemical change took place when the iron and sulfur combined to form iron sulfide?

91. Base your answer to the following question on the Soluability Curves shown below.

As the water temperature is increased from 20°C to 60°C, how many more grams of NaNO3 will dissolve in 100 grams of water?

92. The uniform motion of a cart is shown in the distance versus time graph below. What is the average speed of the cart?

1) 0.5 m/s

2) 2 m/s

3) 5 m/s

4) 50 m/s

93. The graph below shows the distance and time traveled by four cars.

Which car traveled the slowest?

1) Car #1

2) Car #2

3) Car #3

4) Car #4

94. Each figure below shows a force measured in newtons pushing on a block. If there are no other forces pushing on the block, in which case is the acceleration of the block greatest?

1)

2)

3)

4)

95. As a ball falls freely toward the earth, its kinetic energy

1) decreases

2) increases

3) remains the same

96. The diagram below shows a cart held motionless by an external force F on a frictionless incline.

If the cart were allowed to move from point C to point A, the gravitational potential energy of the cart would

1) decrease

2) increase

3) remain the same

Base your answers to questions 97 and 98 on the diagram below which represents a simple pendulum with a 2.0-kilogram bob and a length of 10. meters. The pendulum is released from rest at position 1 and swings without friction through position 4.

97. In which position does the pendulum have the greatest potential energy?

1) 1

2) 2

3) 3

4) 4

98. At which position does the bob have its maximum kinetic energy?

1) 1

2) 2

3) 3

4) 4

99. The diagram below represents a cart traveling from left to right along a frictionless surface with an initial speed of v. At which point is the gravitational potential energy of the cart least?

1) A

2) B

3) C

4) D

100. The diagram below shows a kitten jumping from the top of a refrigerator to a counter.

Compared to the kitten's potential energy on top of the refrigerator, the kitten's potential energy on top of the counter is

1) greater

2) less

3) the same

101. A "push or pull" best describes the term

1) work

2) momentum

3) potential energy

4) force

102. What is the purpose of oil used in a car's engine?

1) to make it shiny

2) to reduce friction

3) as fuel for the engine

4) to prevent the gasoline from burning

103. A rocket in space can travel without engine power at constant speed in the same direction. This condition is best explained by the concept of

1) gravitation

2) action-reaction

3) acceleration

4) inertia

104. "A body at rest tends to remain at rest, and a body in motion tends to remain in motion, unless acted upon by an unbalanced force" is a statement describing the law of

1) forces

2) gravity

3) inertia

4) velocity

105. As shown in the diagram below, an inflated balloon released from rest moves horizontally with velocity v.

The law that best explains this event is

1) Newton's 1st Law

2) Newton's 2nd Law

3) Newton's 3rd Law

4) The Law of Universal Gravity

106. A rocket engine thrusts the rocket into space because

1) the exhaust pushes against the ground

2) the exhaust pushes against the air

3) every action produces an equal and opposite reaction

4) matter and energy are conserved

107. A student pushes against a wall with 20 N of force and the wall does not move. In this situation, the wall exerts

1) 0 N of force

2) less than 20 N of force

3) 20 N of force

4) more than 20 N of force

108. As shown in the diagram below, an astronaut on the Moon is holding a baseball and a balloon. The astronaut releases both objects at the same time.

What does the astronaut observe? [Note: The Moon has no atmosphere.]

1) The baseball falls slower than the balloon.

2) The baseball falls faster than the balloon.

3) The baseball and balloon fall at the same rate.

4) The baseball and balloon remain suspended and do not fall.

109. The force of gravity between two objects will be greatest if their masses are

1) small and they are far apart

2) small and they are close together

3) large and they are far apart

4) large and they are close together

110. If the mass of one of two objects is increased, the force of attraction between them will

1) decrease

2) increase

3) remain the same

111. The force that naturally pulls objects toward the center of the earth is the

1) electromotive force

2) force of gravity

3) centripetal force

4) strong force

112. Which graph best represents the relationship between the gravitational attraction of two objects and their distance from each other?

1) 3)

2) 4)

113. In each diagram below, the mass of the star is the same. In which diagram is the force of gravity greatest between the star and the planet shown?

1) 3)

2) 4)

114. Block A is pulled with constant velocity up an incline as shown in the diagram below.

What two machines are shown in the diagram below?

1) inclined plane and wedge

2) inclined plane and pulley

3) pulley and wedge

4) pulley and lever

115. By pushing down at point F the box at the other end can be raised. Identify the type of machine being used in the diagram below.

1) lever

2) screw

3) wheel and axle

4) inclined plane

116. Which of the following is not a simple machine?

1) lever

2) pulley

3) wheel and axle

4) spring

117. A crowbar is a

1) lever

2) wedge

3) inclined plane

4) screw

118. Base your answer to the following question on the diagram below.

What type of simple machine is being used to raise the box?

1) pulley

2) lever

3) wedge

4) inclined plane

119. In this scene, the ramp leaning against the truck is a simple machine.

This allows a person pushing some boxes onto the truck to what?

1) Move the boxes up the ramp with more power.

2) Move the boxes up the ramp with more friction.

3) Move the boxes to the truck with less force.

4) Move the boxes a shorter distance to the truck.

120. Base your answer to the following question on the drawing of a wheel barrel below.

What two simple machines does the wheel barrow use?

1) A wedge and a pulley

2) A lever and a wheel and axle

3) A pulley and a screw

4) An inclined plane and a wheel and axle

121. The diagram below shows a lever in a position to help in lifting a book.

A student wants to use the lever to lift the book. At which point should she push downward to use the least amount of force to lift the book?

1) A

2) B

3) C

4) D

Base your answers to questions 122 through 124 on the following information.

A 1 kg ball and a 2 kg ball made of iron are dropped from the same height at the same time.

122. Predict if either one of the balls will hit the ground first?

123. Which ball has the greatest kinetic energy? Explain your answer.

124. What makes the balls fall downwards towards the pavement?

125. Wave motion in a medium transfers

1) energy

2) mass

3) both mass and energy

4) neither mass nor energy

126. An echo is strong evidence that sound can be

1) amplified

2) diffracted

3) dispersed

4) reflected

127. Sound is a form of

1) thermal energy

2) mechanical energy

3) radiant energy

4) electrical energy

128. If the tongs of a vibrating tuning fork touch a water surface, the water splashes. This is evidence that sound is a form of

1) atomic energy

2) chemical energy

3) heat energy

4) mechanical energy

129. Which statement best explains why thunder is heard after lightning is seen?

1) Light travels faster than sound.

2) Light travels slower than sound.

3) Thunder is produced by the impact of lightning against the ground.

4) The eye works faster than the ear.

130. Which indicates the shortest wavelength and highest frequency?

1)

2)

3)

4)

131.

Which electromagnetic radiation has the shortest wavelength?

1) infrared

2) radio

3) gamma

4) ultraviolet

132.

In which list are the forms of electromagnetic energy arranged in order from longest to shortest wavelengths?

1) gamma rays, x rays, ultraviolet rays, visible light

2) radio waves, infrared rays, visible light, ultraviolet rays

3) x rays, infrared rays, blue light, gamma rays

4) infrared rays, radio waves, blue light, red light

133. Why does the leaf of a plant look green?

1) Because it absorbs green light

2) Because it reflects green light

3) Because it absorbs only yellow and blue light

4) Because it reflects a mixture of yellow and blue light

134. Which property of light is illustrated by the diagram below?

1) diffraction

2) dispersion

3) refraction

4) reflection

135. The diagram below represents the path of visible light as it travels from air to water to air through a glass container of water.

The light did not travel in a straight line because of

1) convection

2) scattering

3) absorption

4) refraction

136. Which diagram illustrates refraction?

1) 3)

2) 4)

137. Which diagram best shows the property of refraction?

1)

2)

3)

4)

Base your answers to questions 138 and 139 on the diagram below, which shows a tuning fork and the resulting disturbance of the air due to its vibration.

138. Describe how the molecules of air are affected by the vibrating tuning fork.______________________________________________________________________________________________________________________________________________________________________________________

139. Why is it necessary to have molecules around the tuning fork in order to create a sound wave?

_____________________________________________________________________________________________________________________________________________________________________________________

140. An object is charged positively when rubbed with a piece of silk. The object became charged by

1) losing electrons

2) gaining protons

3) losing neutrons

4) gaining positrons

141. A pith ball may become charged by losing or gaining

1) electrons, only

2) protons, only

3) protons and electrons

4) neutrons and protons

142. A balloon which has been rubbed against a person's hair is touched to a wall and remains attached to it. Which diagram best represents the charge distribution on the balloon and wall?

1) 3)

2) 4)

143. Use the picture below to answer the following question.

When both wires are touching the penny, the lightbulb will light. This is because the penny

1) is a good conductor

2) is made of a hard substance

3) is not attracted to a magnet

4) can be melted

144. What object below would be a poor conductor of electricity?

1)

3)

2) 4)

145. Which circuit below would have a current of electricity?

1)

2)

3)

4)

146. Which diagram best represents the magnetic field between two magnetic north poles?

1) 3)

2) 4)

147. The diagram below shows a compass placed near the north pole, N. of a bar magnet.

Which diagram best represents the position of the needle of the compass as it responds to the magnetic field of the bar magnet?

1)

3)

2)

4)

148. A compass is located at point X near a bar magnet as shown in the diagram below.

Which diagram shows the proper direction of the compass needle?

1) 3)

2) 4)

149. Base your answer to the following question on the topographic map below, which shows Willow Hill (elevation 312 feet) and Hobbes Creek. On the map, each contour line represents 20 feet of elevation.

What is the elevation at point X ?

1) 240 feet

2) 250 feet

3) 280 feet

4) 300 feet

Base your answers to questions 150 and 151 on the contour map of an island below. Points A through G represent locations on the island. Elevations are in meters.

150. Which point is located on the steepest slope?

1) F

2) B

3) C

4) D

151. What is the contour interval for this map?

1) 10 m

2) 15 m

3) 20 m

4) 25 m

152. The apparent rising and setting of the Sun as seen from the Earth are caused by the

1) rotation of the Sun

2) rotation of the Earth

3) revolution of the Earth

4) revolution of the Sun

153. Present-day weather predictions are based primarily upon

1) land and sea breezes

2) cloud height

3) ocean currents

4) air mass movements

154. As air on the surface of Earth warms, the density of the air

1) decreases

2) increases

3) remains the same

155. When a strong wind is blowing from one location to another, the two locations most likely have a difference in (High to Low)

1) elevation

2) cloud cover

3) dewpoint temperature

4) air pressure

156. What is the volume of liquid in the graduated cylinder shown at the right?

1) 13.0 ml

2) 13.5 ml

3) 14.0 ml

4) 14.5 ml

157. A student measured an earthworm using a metric ruler, as shown in the diagram below.

What is the length of only section A? (Note: Answers have different units)

1) 7.6 cm

2) 11.6 cm

3) 4.5 cm

4) 23 mm

158. a Draw two different compounds that were ,ade from a chemical reaction below, one in each box, using the representations for atoms of element X and element Z given below.

b Draw a mixture of these two compounds.

159. Which statement best explains why the increasing carbon dioxide in the Earth's atmosphere is considered an environmental pollutant?

1) It is produced primarily by human activities.

2) It can cause a rise in the Earth's temperature.

3) It reflects all wavelengths of insolation.

4) It is not a naturally occurring substance.

160. Ball bearings are used in bicycle wheels to

1) balance the wheel.

2) change the direction of force.

3) reduce speed.

4) reduce friction.

Answer KeyFinal 2014 review [Jun 10, 2014]

Answer KeyFinal 2014 review [Jun 10, 2014]

1. 1

2. 3

3. 3

4. 4

5. 2

6. 3

7. 3

8. 1

9. 3

10. 2

11. 1

12. 3

13. 3

14. 4

15. 3

16. 4

17. 3

18. 1

19. 1

20. 4

21. 1

22. 2

23. 3

24. 1

25. 1

26. 1

27. 3

28. 4

29. 2

30. 1

31. 2

32. 3

33. 2

34. 2

35. 4

36. 1

37. Chemical energy is converted to energy of motion (kinetic energy) by the cars.

Chemical energy is being changed to heat energy by the furnace in the house and by the the gas grill.

38. Sun

39. Radiation from the Sun, gas grill, or cars

40. The warmer moist air cools against the glass and causes the water to condense producing the water droplets

41. solid and liquid

42. 1

43. 2

44. 3

45. 4

46. 1

47. 2

48. 3

49. 1

50. 2

51. 2

52. 2

53. 3

54. 4

55. 1

56. 2

57. 4

58. 2

59. 3

60. 3

61. 4

62. 2

63. 4

64. 4

65. 1

66. 3

67.

68. 2

69. 4

70. 4

71. 2

72. 3

73. 2

74. 4

75. 2

76. 2

77. 1

78. 3

79. 2

80. 3

81. 4

82. 2

83. 1

84. 2

85. 3

86. 3

87. 2

88. 1

89. A magnet can separate the mixture (iron and sulfur), a magnet can not separate the compound (iron sulfide), or only part of the mixture is magnetic.

90. A compound was formed, the change resulted in a new property, or the new material can not be separated by physical means.

91. Approximately 126 g - 88 g = 38 grams

92. 2

93. 4

94. 3

95. 2

96. 1

97. 1

98. 3

99. 2

Answer KeyFinal 2014 review [Jun 10, 2014]

100. 2

101. 4

102. 2

103. 4

104. 3

105. 3

106. 3

107. 3

108. 3

109. 4

110. 2

111. 2

112. 1

113. 2

114. 2

115. 1

116. 4

117. 1

118. 4

119. 3

120. 2

121. 4

122. Both will hit at the same time.

123. The 2 kg ball because it has more mass and will hit the ground with a harder force.

124. The force of gravity.

125. 1

126. 4

127. 2

128. 4

129. 1

130. 1

131. 3

132. 2

133. 2

134. 4

135. 4

136. 2

137. 1

138. The molecules are made to vibrate back and forth as they bump into the tuning fork and each other. This causes them to sometimes cluster together and then at other times be far apart.

139. Molecules are necessary to transfer the energy away from the tuning fork as mechanical energy.

140. 1

141. 1

142. 3

143. 1

144. 4

145. 4

146. 1

147. 4

148. 2

149. 3

150. 3

151. 3

152. 2

153. 4

154. 1

155. 4

156. 1

157. 3

158.

159. 2

160. 4