1. 8th Grade MCA Review

2. Scientific Method
Put the steps of the Scientific Method in proper sequence Collect Data, Conclusion, Research, Analyze Data, Problem, Hypothesis

3. Scientific Method Problem Research Hypothesis Collect Data
Analyze Data
Conclusions

4. Models
Here is a model of the Earth, Sun, and Moon. What are 2 benefits of using a model?

5. Model
Here is a model of the Earth, Sun, and Moon. What are 2 benefits of using a model?
To see how the model works
Model things you can’t see
Model things that are too large or small

6. Variables
Match the variables on the left to the definition on the right.
A. ____ Variable 1. The factor that is purposely changed
B. ____ Controlled Variable 2. The factor that is observed
C. ____ Manipulated Variable 3. The factor that scientists keep the same
D. ____ Measured Variables Factors that can change (mass, volume, time, temperature)

7. Variables
Match the variables on the left to the definition on the right.
A. _(4)__ Variable 1. The factor that is purposely changed
B. _(3)_ Controlled Variable 2. The factor that is observed
C. _(1)_ Manipulated Variable 3. The factor that scientists keep the same
D. _(2)_ Measured Variables Factors that can change (mass, volume, time, temperature)

8. Variables Why is it important to change only one variable at a time?
A. To know which variable causes the change.
B. Only one variable can be changed.
C. Only one variable can be measured at a time.
D. Variables can’t be controlled.

9. Variables Why is it important to change only one variable at a time?
A. To know which variable causes the change.
B. Only one variable can be changed.
C. Only one variable can be measured at a time.
D. Variables can’t be controlled.

10. Plate Tectonics
If the Earth’s mantle were to cool completely, which of the following would still continue?
Earthquakes
Volcanoes
Plate Movements
Convection currents inside the earth
Landslides
Subduction

11. Plate Tectonics
If the Earth’s mantle were to cool completely, which of the following would still continue?
Earthquakes
Volcanoes
Plate Movements
Convection currents inside the earth
Landslides
Subduction

12. Plate Tectonics
The oldest rocks on earth are found on the continents, not on the ocean floors.
True
False

13. Plate Tectonics
The oldest rocks on earth are found on the continents, not on the ocean floors.
True
False

14. Plate Tectonics Most earthquakes and volcanoes are found
in the center of the continents.
near large cities.
in mountain ranges.
along plate boundaries.

15. Plate Tectonics Most earthquakes and volcanoes are found
in the center of the continents.
near large cities.
in mountain ranges.
along plate boundaries.

16. Plate Tectonics
Draw and label the type of plate boundaries Transform, Convergent, Divergent

17. Plate Tectonics
Draw and label the type of plate boundaries Convergent, Divergent, Transform

18. Minerals
A mineral is defined as: A naturally occurring, ___, crystalline solid with a definite chemical composition.
element
organic
rock
molecule
inorganic

19. Minerals
A mineral is defined as: A naturally occurring, ___, crystalline solid with a definite chemical composition.
element
organic
rock
molecule
inorganic

20. Minerals
This mineral shows:
Cleavage
Crystal Form

21. Minerals
This mineral shows:
Cleavage
Crystal Form

22. Minerals
The ability of a mineral to resist being scratched is known as:
Cleavage
Luster
Hardness
Streak
Crystal form

23. Minerals
The ability of a mineral to resist being scratched is known as:
Cleavage
Luster
Hardness
Streak
Crystal form

24. Minerals Match the mineral property with the correct definition.
A. ____ Color 1. The color of a mineral in powdered form
B. ____ Hardness 2. The resistance of a mineral to scratching
C. ____ Cleavage/Fracture Least informative physical appearance
D. ____ Streak Mass per unit volume
E. ____ Luster The pattern of a broken mineral
F. ____ Density Appearance of the mineral in reflected light

25. Minerals Match the mineral property with the correct definition.
A. _(3)_ Color 1. The color of a mineral in powdered form
B. _(2)_ Hardness 2. The resistance of a mineral to scratching
C. _(5)_ Cleavage/Fracture Least informative physical appearance
D. _(1)_ Streak Mass per unit volume
E. _(6)_ Luster The pattern of a broken mineral
F. _(4)_ Density Appearance of the mineral in reflected light

26. Most sedimentary rocks form from…
heat and pressure
melting
deposition
weathering

27. Most sedimentary rocks form from…
heat and pressure
melting
deposition
weathering

28. This coarse-grained igneous
Rocks
This coarse-grained igneous
rock is?
Intrusive
Extrusive

29. This coarse-grained igneous
Rocks
This coarse-grained igneous
rock is?
Intrusive
Extrusive

30. What process is occurring at X ?
Rocks
What process is occurring at X ?
Heat & Pressure
Melting
Weathering & Erosion

31. What process is occurring at X ?
Rocks
What process is occurring at X ?
Heat & Pressure
Melting
Weathering & Erosion

32. What process is occurring at Y ?
Rocks
What process is occurring at Y ?
Heat & Pressure
Melting
Weathering & Erosion

33. What process is occurring at Y ?
Rocks
What process is occurring at Y ?
Heat & Pressure
Melting
Weathering & Erosion

34. Weathering
Earth’s rocks don’t stay the same forever. They are continually changing because of different processes. Look at the influences below and determine whether it is chemical (C) or physical (P) weathering.
A. Acid Rain (C / P)?
B. Gravity (C / P)?
C. Wind (C / P)?
D. Oxygen (C / P)?
E. Ice Wedging (C / P)?

35. Weathering
Earth’s rocks don’t stay the same forever. They are continually changing because of different processes. Look at the influences below and determine whether it is chemical (C) or physical (P) weathering.
A. Acid Rain (C / P)?
B. Gravity (C / P)?
C. Wind (C / P)?
D. Oxygen (C / P)?
E. Ice Wedging (C / P)?

36. Earth’s natural processes
The natural process by which earth materials are moved from their source and deposited elsewhere.
Weathering
Crystallization
Compression
Erosion

37. Earth’s Natural Processes
The natural process by which earth materials are moved from their source and deposited elsewhere.
Weathering
Crystallization
Compression
Erosion

38. Earth’s Natural Processes
Lakes, river valleys, cliffs, moraines, and flood plains are all examples of:

39. Earth’s Natural Processes
Lakes, river valleys, cliffs, moraines, and flood plains are all examples of: Glacial activity

40. Geologic Time
James Hutton stated that in areas of undisturbed rocks, the oldest layer is found at the bottom and the youngest layer is found at the top. This is known as:
Law of Superposition
Uniformitarianism
Absolute time
Unconformity

41. Geologic Time
James Hutton stated that in areas of undisturbed rocks, the oldest layer is found at the bottom and the youngest layer is found at the top. This is known as:
Law of Superposition
Uniformitarianism
Absolute time
Unconformity

42. Geologic Time Which is older, 3 or 1? 1 is older 3 is older
Not enough information to determine an answer.

43. Geologic Time Which is older, 3 or 1? 1 is older 3 is older
Not enough information to determine an answer.

44. Geologic Time
Which is older, 3 or B?
3 is older
B is older

45. Geologic Time
Which is older, 3 or B?
3 is older
B is older

46. Radiometric dating is used to determine:
Geologic Time
Radiometric dating is used to determine:
Absolute Time
Relative Time
Clean-up Time

47. Radiometric dating is used to determine:
Geologic Time
Radiometric dating is used to determine:
Absolute Time
Relative Time
Clean-up Time

48. Fossils used to define and identify geologic periods are know as:
Geologic Time
Fossils used to define and identify geologic periods are know as:
Brachiopods
Index Fossils
Sedimentary Fossils
Crinoids
Coprolites

49. Fossils used to define and identify geologic periods are know as:
Geologic Time
Fossils used to define and identify geologic periods are know as:
Brachiopods
Index Fossils
Sedimentary Fossils
Crinoids
Coprolites

50. Almost all fossils are found in this type of rock.
Geologic Time
Almost all fossils are found in this type of rock.
Igneous
Metamorphic
Sedimentary

51. Almost all fossils are found in this type of rock.
Geologic Time
Almost all fossils are found in this type of rock.
Igneous
Metamorphic
Sedimentary

52. Alfred Wegener used fossil evidence to help support his theory of:
Geologic Time
Alfred Wegener used fossil evidence to help support his theory of:
Sea-Floor Spreading
Continental Drift
Superposition
Cross cutting
Relativity

53. Alfred Wegener used fossil evidence to help support his theory of:
Geologic Time
Alfred Wegener used fossil evidence to help support his theory of:
Sea-Floor Spreading
Continental Drift
Superposition
Cross cutting
Relativity

54. Weather Weather occurs Ozone layer Jet stream Determine which layer;
Thermosphere (TH), Mesosphere (M), Stratosphere (S), Troposphere (TR),
each characteristic occurs in:
Weather occurs
Ozone layer
Jet stream

55. Weather Weather occurs (TR) Ozone layer (S) Jet stream (TR)
Determine which layer;
Thermosphere (TH), Mesosphere (M), Stratosphere (S), Troposphere (TR),
each characteristic occurs in:
Weather occurs (TR)
Ozone layer (S)
Jet stream (TR)

56. Layers of the atmosphere are divided by changes in:
Weather
Layers of the atmosphere are divided by changes in:
Pressure
Temperature
Humidity
Altitude

57. Layers of the atmosphere are divided by changes in:
Weather
Layers of the atmosphere are divided by changes in:
Pressure
Temperature
Humidity
Altitude

58. As you move higher in the atmosphere the air pressure:
Weather
As you move higher in the atmosphere the air pressure:
Increases
Decreases
Stays the same
Depends on the layer

59. As you move higher in the atmosphere the air pressure:
Weather
As you move higher in the atmosphere the air pressure:
Increases
Decreases
Stays the same
Depends on the layer

60. The most abundant gas in the atmosphere is:
Weather
The most abundant gas in the atmosphere is:
CO2
Oxygen
Water vapor
Nitrogen
Helium
Ozone

61. The most abundant gas in the atmosphere is:
Weather
The most abundant gas in the atmosphere is:
CO2
Oxygen
Water vapor
Nitrogen
Helium
Ozone

62. Weather
Determine which type of heat transfer; conduction (CD), radiation (R), or convection (CV), in each scenario below…
Burning your hand on a stove
Upstairs of house is warmer than the basement
Sun’s energy reaches the Earth

63. Weather
Determine which type of heat transfer; conduction (CD), radiation (R), or convection (CV), in each scenario below…
Burning your hand on a stove (CD)
Upstairs of house is warmer than the basement (CV)
Sun’s energy reaches the Earth (R)

64. Weather High pressure causes: Air to sink Air to rise
Air to move from west to east
Air to move clockwise
Air to move counterclockwise

65. Weather High pressure causes: Air to sink Air to rise
Air to move from west to east
Air to move clockwise
Air to move counterclockwise

66. T/F: Air always moves from low to high pressure
Weather
T/F: Air always moves from low to high pressure

67. T/F: Air always moves from low to high pressure False
Weather
T/F: Air always moves from low to high pressure False

68. Which phase is water at its highest energy level?
Weather
Which phase is water at its highest energy level? 1. 3. 2.

69. Which phase is water at its highest energy level?
Weather
Which phase is water at its highest energy level? 1. 3. 2.

70. Which of these best represents molecules in a solid phases?
Weather
Which of these best represents molecules in a solid phases? 1. 3. 2.

71. Which of these best represents molecules in a solid phases?
Weather
Which of these best represents molecules in a solid phases? 1. 3. 2.

72. The process of a tree loosing water to the atmosphere is known as:
Weather
The process of a tree loosing water to the atmosphere is known as:
Evaporation
Condensation
Sublimation
Deforestation
Transpiration

73. The process of a tree loosing water to the atmosphere is known as:
Weather
The process of a tree loosing water to the atmosphere is known as:
Evaporation
Condensation
Sublimation
Deforestation
Transpiration

74. Coastal areas have a ___ climate than nearby inland areas.
Weather
Coastal areas have a ___ climate than nearby inland areas.
More extreme
More moderate
cooler
warmer

75. Coastal areas have a ___ climate than nearby inland areas.
Weather
Coastal areas have a ___ climate than nearby inland areas.
More extreme
More moderate
cooler
warmer

76. Weather Storms Wind Currents Waves
The oceans contain a large amount of heat which is redistributed around the Earth by:
Storms
Wind
Currents
Waves

77. Weather Storms Wind Currents Waves
The oceans contain a large amount of heat which is redistributed around the Earth by:
Storms
Wind
Currents
Waves

78. Surface ocean currents are mainly caused by __
Weather
Surface ocean currents are mainly caused by __
Tides
Wind
Storms
Mrs. Ol & Mr. Larsen

79. Surface ocean currents are mainly caused by __
Weather
Surface ocean currents are mainly caused by __
Tides
Wind
Storms
Mrs. Ol & Mr. Larsen

80. Weather Winds are caused by: Air moving from low to high pressure
The uneven heating of the earth
The jet stream
The ozone layer

81. Weather Winds are caused by: Air moving from low to high pressure
The uneven heating of the earth
The jet stream
The ozone layer

82. Minnesota is located in the:
Weather
Minnesota is located in the:
Polar Easterlies
Tropical Easterlies
Westerlies
Doldrums

83. Minnesota is located in the:
Weather
Minnesota is located in the:
Polar Easterlies
Tropical Easterlies
Westerlies
Doldrums

84. As water vapor is added to the air, the weight of the air
Weather
As water vapor is added to the air, the weight of the air
Increases
Decreases
Stays the same

85. As water vapor is added to the air, the weight of the air
Weather
As water vapor is added to the air, the weight of the air
Increases
Decreases
Stays the same

86. These clouds often form hundreds of miles ahead of warm fronts.
Weather
These clouds often form hundreds of miles ahead of warm fronts.
Cumulus
Stratus
Cirrus
Cumulonimbus

87. These clouds often form hundreds of miles ahead of warm fronts.
Weather
These clouds often form hundreds of miles ahead of warm fronts.
Cumulus
Stratus
Cirrus
Cumulonimbus

88. These clouds often form on cold fronts.
Weather
These clouds often form on cold fronts. 1. 3. 2.

89. These clouds often form on cold fronts.
Weather
These clouds often form on cold fronts. 1. 3. 2.

90. Weather Cold fronts form when High pressure air advances
Low pressure air advances
Humid air advances
Warm air advances

91. Weather Cold fronts form when High pressure air advances
Low pressure air advances
Humid air advances
Warm air advances

92. Weather in the United States usually moves from
West to East
East to West
North to South
South to North

93. Weather in the United States usually moves from
West to East
East to West
North to South
South to North

94. Weather
Once the temperature of the air reaches the dew point, water will __ and heat will be __.
Evaporate, released
Evaporate, absorbed
Condense, released
Condense, absorbed
Sublime, released
Boil, absorbed

95. Weather
Once the temperature of the air reaches the dew point, water will __ and heat will be __.
Evaporate, released
Evaporate, absorbed
Condense, released
Condense, absorbed
Sublime, released
Boil, absorbed

96. What is the closest star to the Earth?
Space Science
What is the closest star to the Earth?

97. What is the closest star to the Earth?
Space Science
What is the closest star to the Earth?
Sun

98. T/F: Our sun is described as a medium-sized star…
Space Science
T/F: Our sun is described as a medium-sized star…

99. T/F: Our sun is described as a medium-sized star… TRUE
Space Science
T/F: Our sun is described as a medium-sized star… TRUE

100. Space Science
Read the statement that follows and determine if it is true or false. IF FALSE, rewrite the sentence correctly.
“Due to vast distances space travel is limited and space is measured in astronomical meters.”

101. Space Science
“Due to vast distances space travel is limited and space is measured in astronomical meters.” “Due to vast distances space travel is limited and space is measured in light years.”

102. Space Science
For each statement below label it hundreds, thousands, millions, billions, or trillions.
1. About how many galaxies are there?
2. About how many stars in each galaxy?

103. Space Science
For each statement below label it hundreds, thousands, millions, billions, or trillions.
1. About how many galaxies are there? Billions
2. About how many stars in each galaxy? Billions

104. Space Science
Match the term on the left to the correct information on the right.
A. ____ Sun 1. Name of the hemisphere that we live in
B. ____ Milky Way 2. How energy from the sun is transferred to the Earth
C. ____ Radiation 3. Name of our Galaxy
D. ____ Northern 4. The central and largest body in our solar system
E.____ Big Bang Theory 5. Evidence of expanding universe

105. Space Science A. _(4)_ Sun 1. Name of the hemisphere that we live in
Match the term on the left to the correct information on the right.
A. _(4)_ Sun 1. Name of the hemisphere that we live in
B. _(3)_ Milky Way 2. How energy from the sun is transferred to the Earth
C. _(2)_ Radiation 3. Name of our Galaxy
D. _(1)_ Northern 4. The central and largest body in our solar system
E._(5)_ Big Bang Theory 5. Suggests an expanding universe

106. Explain the process that causes day and night…
Space Science
Explain the process that causes day and night…

107. Space Science
Explain the process that causes day and night… Earth rotates on its axis once per day.

108. What 3 factors allow life to flourish on Earth?
Space Science
What 3 factors allow life to flourish on Earth?

109. What 3 factors allow life to flourish on Earth?
Space Science
What 3 factors allow life to flourish on Earth?
Distance from
sun
2. Composition of
atmosphere
3. Liquid water

110. Label the phases of the moon:
Space Science
Label the phases of the moon:
___1. Waxing Gibbous
___2. Waning Gibbous
___3. Waxing Crescent
___4. Waning Crescent
___5. First Quarter
___6. Last Quarter
___7. New Moon
___8. Full Moon

111. Label the phases of the moon:
Space Science
Label the phases of the moon:
_D_1. Waxing Gibbous
_F_2. Waning Gibbous
_B_3. Waxing Crescent
_H_4. Waning Crescent
_C_5. First Quarter
_G_6. Last Quarter
_A_7. New Moon
_E_8. Full Moon

112. Label the activity with the correct letter or letters:
Space Science
Label the activity with the correct letter or letters:
___1. Spring/High Tides
___2. Neap/Low Tides
___3. Solar Eclipse
___4. Lunar Eclipse

113. Label the activity with the correct letter or letters:
Space Science
Label the activity with the correct letter or letters:
A & E 1.Spring/High Tides
C & G 2. Neap/Low Tides
A 3. Solar Eclipse
E 4. Lunar Eclipse

114. Space Science Label the Seasons in the Northern Hemisphere
___1. Winter
___2. Spring
___3. Summer
___4. Fall
___5. Equator D B C E

115. Space Science Label the Seasons in the Northern Hemisphere A
B 1. Winter
A 2. Spring
D 3. Summer
C 4. Fall
E 5. Equator D B C E

116. MCA TEST REVIEW The MCA Review has: been really gneiss.
made me a little sedimental.
no faults.
been earth shattering.
helped me not take things for granite.
made me loose my apatite.
has shaken me to my core.