6th Period Honors Mid Term Exam 2011-2012

100 Questions

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Electron Quizzes & Trivia

This review covers all of the information from the first half of the year.


Questions and Answers
  • 1. 
    The two main branches of Science are Natural and Social Science 
    • A. 

      True

    • B. 

      False

  • 2. 
    Which of the following is not a branch of Natural Science 
    • A. 

      Life

    • B. 

      Physical

    • C. 

      Earth

    • D. 

      Social

  • 3. 
     The application of science to meet human needs is reffered to as
    • A. 

      Technology

    • B. 

      Models

    • C. 

      Experimentation

    • D. 

      Scientific Method

  • 4. 
     Scientists must base their conclusions to experiments on observations not inferences
    • A. 

      True

    • B. 

      False

  • 5. 
    A series of logical steps that is followed in order to solve a problem is called the 
    • A. 

      Scientific Method

    • B. 

      Process of Science

    • C. 

      Building a Hypothesis

    • D. 

      Making Inferences

  • 6. 
     Technology can best be defined as
    • A. 

      The application of science

    • B. 

      Building science knowledge

    • C. 

      Electronics that explain science

    • D. 

      When science becomes unusable

  • 7. 
     Scientists test a hypothesis by
    • A. 

      Conducting experiments

    • B. 

      Drawing conclusions

    • C. 

      Making observations

    • D. 

      Making inferences

  • 8. 
     A possible answer to a scientific problem is called a __________.
    • A. 

      Observation

    • B. 

      Hypothesis

    • C. 

      Theory

    • D. 

      Conclusion

  • 9. 
     The scientific method gives scientists a way to organize their thinking about a problem or question.
    • A. 

      True

    • B. 

      False

  • 10. 
    An explanation that has been tested repeatedly with experiments is called a... 
    • A. 

      Scientific Law

    • B. 

      Scientific Theory

    • C. 

      Scientific Observation

    • D. 

      Scientific Inference

  • 11. 
    A scientific ______________ describes a natural event but does not explain why the event occurred 
    • A. 

      Law

    • B. 

      Theory

    • C. 

      Observation

    • D. 

      Conclusion

  • 12. 
    Scientific theories can never be changed even when new discoveries are made 
    • A. 

      True

    • B. 

      False

  • 13. 
    When a scientific theory is proven it becomes a scientific law 
    • A. 

      True

    • B. 

      False

  • 14. 
     Scientists use models to represent real situations and to make _____________
    • A. 

      Predictions

    • B. 

      Inferences

    • C. 

      Money

    • D. 

      Assumptions

  • 15. 
     Scientists often use ___________________ to study complicated events or large amount sof data in order to make predictions
    • A. 

      Line Graphs

    • B. 

      Bar Graphs

    • C. 

      Pie Graphs

    • D. 

      Computer Models

  • 16. 
    Using mathematics to describe a scientific event would be considered a model 
    • A. 

      True

    • B. 

      False

  • 17. 
    Representation of a real event or object usually too large or small to see is called a
    • A. 

      Picture

    • B. 

      Scientific Model

    • C. 

      Display

    • D. 

      Experiment

  • 18. 
    Line graphs are most effective at displaying data that __________  
    • A. 

      Changes constantly

    • B. 

      Remain the same

    • C. 

      Compares multiple sources of data

    • D. 

      Relates a percentage to the whole

  • 19. 
    The best kind of graph to make to show the density of a number of different substances, would be a __________ __________. 
    • A. 

      Bar graph

    • B. 

      Line graph

    • C. 

      Pie Chart

    • D. 

      Computer Model

  • 20. 
    The SI base unit for time is  
    • A. 

      Seconds (s)

    • B. 

      Minutes (m)

    • C. 

      Hours (hr)

    • D. 

      Days (d)

  • 21. 
     The SI base unit for Mass is
    • A. 

      Pounds (lbs)

    • B. 

      Ounces (oz)

    • C. 

      Stones (st)

    • D. 

      Grams (g)

  • 22. 
     The SI base unit for Temperature is
    • A. 

      Fahrenheit

    • B. 

      Celsius

    • C. 

      Kelvin

    • D. 

      Candelas

  • 23. 
     The symbol for the SI base unit for length is
    • A. 

      M

    • B. 

      Cm

    • C. 

      In

    • D. 

      Ft

  • 24. 
     Maria is 123 centimeters (cm) tall.  Her height in meters (m) is Hint:  There are 100 cm in 1 m
    • A. 

      1.23 m

    • B. 

      123,000 m

    • C. 

      12,300 m

    • D. 

      0123 m

  • 25. 
    A loaf of bread weighs 1362 grams (g). The weight in kilograms is  Hint: There are 1000 g in 1 Kg
    • A. 

      1.362 kg

    • B. 

      1,362,000 kg

    • C. 

      .0001362 kg

    • D. 

      13.6 kg

  • 26. 
    The amount of matter in an object is its mass.  The force with which gravity pulls on mass is
    • A. 

      Weight

    • B. 

      Force

    • C. 

      Gravitation Attraction

    • D. 

      Mass Number

  • 27. 
     What is 789,000,000,000 in scientific notation?
    • A. 

      7.89 X 10^11

    • B. 

      7.89 X 10^-11

    • C. 

      .789 X 10^11

    • D. 

      78.9 X 10^-12

  • 28. 
     The speed of light is 3.0 X 10^8m/s.  What is this value in standard notation?
    • A. 

      300,000,000 m/s

    • B. 

      .00000003 m/s

    • C. 

      30,000 m/s

    • D. 

      33,333,333 m/s

  • 29. 
    The number .0009234 would be written in scientific notation as __________. 
    • A. 

      9.2 X 10^-4

    • B. 

      9.2 X 10^4

    • C. 

      .92 X 10^-3

    • D. 

      92. X 10^6

  • 30. 
    The number .0034 would be written as __________ in scientific notation 
    • A. 

      3.4 X 10^-3

    • B. 

      3.4 X 10^-2

    • C. 

      3.4 X 10^4

    • D. 

      3.4 X 10^3

  • 31. 
     The number 4.065 has how many significant figures?
    • A. 

      1

    • B. 

      3

    • C. 

      4

    • D. 

      5

  • 32. 
     The number 4,000,000 has hpw many significant figures?
    • A. 

      1

    • B. 

      4

    • C. 

      7

    • D. 

      6

  • 33. 
    The number 7.89 x 10^10  has how many significant figures? 
    • A. 

      1

    • B. 

      3

    • C. 

      13

    • D. 

      10

  • 34. 
    The number .000670 has how many significant figures? 
    • A. 

      2

    • B. 

      3

    • C. 

      6

    • D. 

      1

  • 35. 
    You are asked to find the area of a room (multiply)  that is 4.56 m long and 5.668 m wide.  How many significant figures should your answer have?
    • A. 

      2

    • B. 

      3

    • C. 

      7

    • D. 

      4

  • 36. 
    Take the sum of 2.02 g and 1.6 g.  Express your answer with the correct significant figures
    • A. 

      3.62 g

    • B. 

      3.7 g

    • C. 

      3.620 g

    • D. 

      3.6 g

  • 37. 
    Take the difference of 6.8895 cm and 2.44 cm.  Express yoru answer with the correct significant figures 
    • A. 

      4.4495 cm

    • B. 

      4.4 cm

    • C. 

      4.45 cm

    • D. 

      4.450 cm

  • 38. 
    You are asked to find the volume (multiply) of a cube that is 2.5 cm high, 2.65 cm wide, and 3.456 cm long. How many significant figures should you show in your answer?
    • A. 

      2

    • B. 

      3

    • C. 

      4

    • D. 

      9

  • 39. 
    A measurement that is close to the true value and has several significant figures is likely to be 
    • A. 

      Precise

    • B. 

      Accurate

    • C. 

      Both Precise and Accurate

    • D. 

      Accurate but not Precise

  • 40. 
    The extent to which a measurement approaches the true value is referred to as __________ 
    • A. 

      Precise

    • B. 

      Accurate

  • 41. 
    Which measurement is most precise? 40g   40.0g    40.00g 
    • A. 

      40 g

    • B. 

      40.0 g

    • C. 

      40.00 g

  • 42. 
     Although a measurement of 6.13457902 cm is very precise it may not be accurate.
    • A. 

      True

    • B. 

      False

  • 43. 
    Is the following statement an observation or an inference? "The two police officers in the picture are guarding the street beacuase a crime was commited" 
    • A. 

      Observation

    • B. 

      Inference

  • 44. 
      What was the increase in ridership between 1998 and 2008?
    • A. 

      4,500

    • B. 

      2,500

    • C. 

      80,000

    • D. 

      100,000

  • 45. 
    What is the most likely reason  the ridership increased and the casualties decreased in NYC from 1998-2008? 
    • A. 

      NYC sold more bikes

    • B. 

      NYC made bicycle lanes on most downtown roads

    • C. 

      NYC had more people riding bikes

    • D. 

      NYC riders did not go out at night

  • 46. 
    How much green house gas emmissions comes from  a large 4WD vehicle with a driver only?  
    • A. 

      0.44 Kg per KM

    • B. 

      0.22 Kg per KM

    • C. 

      Can't be determined from the graph

    • D. 

      0.88 Kg per Km

  • 47. 
      Which tax generates more funds for the Government?
    • A. 

      Tobacco Tax

    • B. 

      Fuel tax

  • 48. 
    Which type of sleeper takes more total breaths per minute? 
    • A. 

      Person with Normal Sleep

    • B. 

      Person with Apnea Sleep

  • 49. 
    Do chemical or physical properties involve forming a new substance?
    • A. 

      Chemical

    • B. 

      Physical

  • 50. 
    Is the oxidation of a substance a chemical or physical property?
    • A. 

      Chemical

    • B. 

      Physical

  • 51. 
    Where could you find information about the flammability of a product?
    • A. 

      MSDA

    • B. 

      MSDS Sheet

    • C. 

      A lab report

    • D. 

      Ask Joey Luke, Brandon Meadows, or Joey Corley

  • 52. 
    When energy is added to a solid substance what happens to the particles?
    • A. 

      The do not change

    • B. 

      They speed up

    • C. 

      They slow down

    • D. 

      They combine

  • 53. 
    Is energy gained or lost during sublimation?
    • A. 

      Gained

    • B. 

      Lost

  • 54. 
    When a substance changes from a liquid to a gas it loses mass.  T/F
    • A. 

      True

    • B. 

      False

  • 55. 
    Water collecting on the outside of a glass is called what?
    • A. 

      Melting

    • B. 

      Vaporization

    • C. 

      Condensation

    • D. 

      Freezing

  • 56. 
    Do chemical or physical changes involve chaniging the states of matter (solid, liquid, gas)?
    • A. 

      Chemical

    • B. 

      Physical

  • 57. 
    When a substance goes from a gas to a solid it is called…
    • A. 

      Melting

    • B. 

      Deposition

    • C. 

      Sublimation

    • D. 

      Freezing

  • 58. 
    What is dry ice going from a solid directly to a gas an example of?
    • A. 

      Melting

    • B. 

      Deposition

    • C. 

      Sublimation

    • D. 

      Freezing

  • 59. 
    The particles in a liquid and gas are always in motion but the particles in a solid stop moving?  T/F
    • A. 

      True

    • B. 

      False

  • 60. 
    When a substances goes from a solid to a liquid it is called….
    • A. 

      Melting

    • B. 

      Deposition

    • C. 

      Sublimation

    • D. 

      Freezing

  • 61. 
    What is the following state of matter?  the particles are spread very far apart and moving at high rates of speed
    • A. 

      Solid

    • B. 

      Liquid

    • C. 

      Gas

  • 62. 
    Which of the following is not a state of matter?
    • A. 

      Solid

    • B. 

      Gas

    • C. 

      Condesate

    • D. 

      Liquid

  • 63. 
    Changing the amount of energy or pressure will affect the states of matter
    • A. 

      True

    • B. 

      False

  • 64. 
    Most of the hot flavor in peppers comes from capsaicin, C18H27NO3, Capsaicin is a(n)
    • A. 

      Element

    • B. 

      Pure substance

    • C. 

      Diatomic molecule

    • D. 

      Mixture

  • 65. 
    What are the only two types of pure substances?
    • A. 

      Elements and compounds

    • B. 

      Elements and atoms

    • C. 

      Atoms and molecules

    • D. 

      Heterogeneous and homogeneous

  • 66. 
    What is it called when multiple pure substances are added together?
    • A. 

      Compound

    • B. 

      Element

    • C. 

      Mixture

    • D. 

      Molecule

  • 67. 
    Is blood a heterogeneous or a homogenous mixture?
    • A. 

      Homogeneous

    • B. 

      Heterogeneous

  • 68. 
    Is a oil and water mixture heterogeneous or a homogenous mixture?
    • A. 

      Homogeneous

    • B. 

      Heterogeneous

  • 69. 
    Is baking soda (NaHCO3) a mixture or a pure substance?
    • A. 

      Mixture

    • B. 

      Pure substance

  • 70. 
    Is 100% pure orange juice a mixture or a pure substance?
    • A. 

      Mixture

    • B. 

      Pure substance

  • 71. 
    Is air a mixture or a pure substance?
    • A. 

      Mixture

    • B. 

      Pure substance

  • 72. 
    How many molecules are in the following image?
    • A. 

      2

    • B. 

      6

    • C. 

      19

    • D. 

      4

  • 73. 
    How many compounds are in the following image?
    • A. 

      2

    • B. 

      6

    • C. 

      19

    • D. 

      4

  • 74. 
    Is O2 a compound?
    • A. 

      YES

    • B. 

      NO

  • 75. 
    Is O2 a molecule?
    • A. 

      YES

    • B. 

      NO

  • 76. 
    All compounds are molecules....True or False
    • A. 

      True

    • B. 

      False

  • 77. 
    All molecules are considered "compounds".   True or False
    • A. 

      True

    • B. 

      False

  • 78. 
    It is possible to have a molecule that is not a compound...True or False 
    • A. 

      True

    • B. 

      False

  • 79. 
    How many naturally occuring elements are found?
    • A. 

      1

    • B. 

      15

    • C. 

      92

    • D. 

      118

  • 80. 
    Are atoms mostly full or mostly empty space?
    • A. 

      Mostly Full

    • B. 

      Mostly Empty Space

  • 81. 
    What makes the atoms of one element different from the atoms of another element?
    • A. 

      The number of protons in the nucleus

    • B. 

      The number of electrons in the outer shell

    • C. 

      The number of neutrons in the nucleus

    • D. 

      The average mass of the isotopes

  • 82. 
    All matter is made up of atoms or molecules?  True or False
    • A. 

      True

    • B. 

      False

  • 83. 
    Cooking an egg is an example of a....
    • A. 

      Chemical change

    • B. 

      Physical change

  • 84. 
    photosynthesis is an example of a....
    • A. 

      Chemical change

    • B. 

      Physical change

  • 85. 
    Mixing together salt and water is an example of a....
    • A. 

      Chemical change

    • B. 

      Physical change

  • 86. 
    Which section represent water in the liquid form only?
    • A. 

      Section 1

    • B. 

      Section 2

    • C. 

      Section 3

    • D. 

      Section 4

  • 87. 
    Which container ha sthe liquid that is the LEAST dense?
    • A. 

      X

    • B. 

      Y

    • C. 

      W

    • D. 

      Z

  • 88. 
    What is the emperical formula?
    • A. 

      CCl2H2

    • B. 

      C2ClH

    • C. 

      CCLh7

    • D. 

      C3L2H2

  • 89. 
    Is Aluminum (Al) a mixture or a pure substance?
    • A. 

      Mixture

    • B. 

      Pure substance

  • 90. 
    This family of elements often forms anions and is highly reactive with the alkali metals to get a full outer shell
    • A. 

      Transition Metals

    • B. 

      Halogens

    • C. 

      Alkali Metals

    • D. 

      Noble Gases

  • 91. 
    An isotope is when an atom has the same number of protons but a different number of electrons.  T/F
    • A. 

      True

    • B. 

      False

  • 92. 
    Calculate the Average atomic mass of the three isotopes of Neon.
    • A. 

      20.187

    • B. 

      21.01

    • C. 

      22.00

    • D. 

      20.1

  • 93. 
    This family of elements is highly reactive with water and has only 1 valence electron
    • A. 

      Alkali Metals

    • B. 

      Halogens

    • C. 

      Transition Metals

    • D. 

      Noble Gases

  • 94. 
    This family of elements has a full outer shell of electrons and does not react with any other element
    • A. 

      Alkali Metals

    • B. 

      Halogens

    • C. 

      Noble Gases

    • D. 

      Semi Conductors

  • 95. 
    How many neutrons are in 1 element of Radon?
    • A. 

      86

    • B. 

      222

    • C. 

      308

    • D. 

      136

  • 96. 
    An atom of Helium has a full outer shell of 8 electrons?  T/F
    • A. 

      True

    • B. 

      False

  • 97. 
    How many electrons are in 1 element of Radon?
    • A. 

      86

    • B. 

      222

    • C. 

      308

    • D. 

      136

  • 98. 
    Atoms go through ionization in order to get a full outer shell of electrons?  T/F
    • A. 

      True

    • B. 

      False

  • 99. 
    When an atom loses an electron it has an overall _________ charge and is called a(n) _____________
    • A. 

      Positive, anion

    • B. 

      Positive, cation

    • C. 

      Negative, anion

    • D. 

      Negative, cation

  • 100. 
    This family of elements is found in the earths crust and goes through ionization to get a charge of +2
    • A. 

      Alkali Metals

    • B. 

      Alkaline Earth Metals

    • C. 

      Noble Gases

    • D. 

      Semi Conductors