Science 8: Benchmark I: Part 2 (40)

40 Questions | Total Attempts: 224

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Science 8: Benchmark I: Part 2  (40)

The review is to be used totally for educational purposes. It assists in a comprehesive review for the first nine weeks of instruction.


Questions and Answers
  • 1. 
    What are the "bits of information" gathered with your five senses?         
    • A. 

      Data

    • B. 

      Observation

    • C. 

      Hypothesis

    • D. 

      Conclusion

  • 2. 
    What states that all matter consists of very "small particles" that are in a constant state of "motion"?                                                                                      SOLID                           GAS                                 LIQUID
    • A. 

      Conservation of Matter

    • B. 

      Particle (Kinetic) Theory of Matter

    • C. 

      Nucleus

    • D. 

      Electron cloud model

  • 3. 
    Who said atoms are indivisible, indestructible, and looks looks like a "solid ball"?
    • A. 

      Thomson

    • B. 

      Rutherford

    • C. 

      Dalton

    • D. 

      Bohr

  • 4. 
    What is the "modern" atomic model that is being used "currently" today?
    • A. 

      Thomson's Model

    • B. 

      Dalton's Model

    • C. 

      Rutherford's model

    • D. 

      Electron cloud model

  • 5. 
    Which subatomical particles are located in the nucleus of the atom below that are labeled "W"?                 
    • A. 

      Electron and neutron

    • B. 

      Proton and electron

    • C. 

      Neutron and electron

    • D. 

      Proton and neutron

  • 6. 
    Which subatomical particle of an atom has a "negative" charge?
    • A. 

      Proton

    • B. 

      Electron

    • C. 

      Neutron

    • D. 

      Nucleus

  • 7. 
    What is a group of "two or more atoms (not elements)" held together by very strong chemical bonds? *Do NOT get this mixeded up with 2 or more elements chemically combined.
    • A. 

      Element (this "one" pure substance)

    • B. 

      Compounds (this is when two or more "elements" combine-not two or more "atoms".

    • C. 

      Mixtures (not "chemically" bonded, but can be separated easily)

    • D. 

      Molecules (two "atoms" bonded)

  • 8. 
    What forms when substances are combined in a physical way, but the substances do not change or combine chemically?
    • A. 

      Compounds

    • B. 

      Mixtures

    • C. 

      Element

    • D. 

      Molecules

  • 9. 
    What type of change includes these properites such as boiling point, melting point, size, shape, color, odor, density (heaviness), and solubility (dissolving)? 
    • A. 

      Chemical properties

    • B. 

      Physical properties

    • C. 

      Observation

    • D. 

      State properties

  • 10. 
    What is the "change" that involes "properties" such as reactivity (combining elements together), oxidation (rusting), combustibility (catching on fire quickly), acidity (0-6 pH), or basicity (pH 8-14)?
    • A. 

      Physical change

    • B. 

      Chemical change

    • C. 

      Mental change

    • D. 

      Developmental change

  • 11. 
    What are the 1- 18 numbered "vertical columns" of elements in the periodic table?
    • A. 

      Group or families

    • B. 

      Period

    • C. 

      Metal

    • D. 

      Nonmetal

  • 12. 
    What means a material that can be "pounded" into thin sheets?
    • A. 

      Ductile

    • B. 

      Malleable

    • C. 

      Bendable

    • D. 

      Taffy

  • 13. 
    What means a material that can be "stretched" into wires?                                     
    • A. 

      Flexible

    • B. 

      Ductile

    • C. 

      Stretch Armstrong

    • D. 

      Work

  • 14. 
    Which "group" of elements usually are shiny (have luster), are malleable, ductile, and are usually solid at room temperature, and are good conductors of electricity?
    • A. 

      Metalloids

    • B. 

      Rare earth metals

    • C. 

      Metals

    • D. 

      Nonmetals

  • 15. 
    Which "group" and "number" on the periodic table are the least reactive and most stable?
    • A. 

      Transitional metals (3 to 12)

    • B. 

      Alkali metals (1)

    • C. 

      Halogens (17)

    • D. 

      Noble gases (18)

  • 16. 
    Which group of elements is located on the periodic table that is classified by their physical and chemical properties as dull, usually brittle, and poorly conductive of heat and electricity?
    • A. 

      Metals

    • B. 

      Metalloids

    • C. 

      Nonmetals

    • D. 

      Transitional metals

  • 17. 
    Which tool is used to find the "mass" of copper?
    • A. 

      Graduated cylinder

    • B. 

      Triple beam balance

    • C. 

      Thermometer

    • D. 

      Metric ruler

  • 18. 
    Which tool is used to find the "volume" of alcohol in science?                               
    • A. 

      Graduated cylinder

    • B. 

      Triple beam balance

    • C. 

      Metric ruler

    • D. 

      Thermometer

  • 19. 
    Which tool is used to measure the "length" of a piece of rope?                                
    • A. 

      Graduated cylinder

    • B. 

      Triple beam balance

    • C. 

      Metric ruler

    • D. 

      Thermometer

  • 20. 
    Which unit of measurement would be used to measure "mass" of a small pill?
    • A. 

      Milliliter

    • B. 

      Milligram

    • C. 

      Ounce

    • D. 

      Kilogram

  • 21. 
    What measurement would be used to measure the "diameter" of a ring finger?                                    
    • A. 

      Millimeter

    • B. 

      Milliliter

    • C. 

      Kilogram

    • D. 

      Meter

  • 22. 
    What units of measurement is "temperature" measured in science?                                       
    • A. 

      Farenheit

    • B. 

      Celsius

    • C. 

      Meters

    • D. 

      Grams

  • 23. 
    What is the "independent variable" on the graph?Remember:  D                       R                        Y                                                          MIX
    • A. 

      Pressure

    • B. 

      0 degrees

    • C. 

      Temperature

    • D. 

      Curved line

  • 24. 
    Which unit of measurement is used to measure the "diameter" a yo yo?                  
    • A. 

      Milliliters

    • B. 

      Centimeters

    • C. 

      Kilometers

    • D. 

      Meters

  • 25. 
    Which of the following is NOT a compound?                                                                                                                                                                                                                                                             H2O                 NaCl      C12H22O11                                       He 
    • A. 

      NaCl (salt)

    • B. 

      H2O (water)

    • C. 

      C12H22O11 (sugar)

    • D. 

      He (helium)

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