Science 8: Benchmark I: Part 2 (40)

40 Questions | Total Attempts: 221

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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)

  • 26. 
    Which of the following is an "element"?
    • A. 

      CO

    • B. 

      Cu2

    • C. 

      CaC

    • D. 

      HCl

  • 27. 
    What did Dalton's atomic model look like?
    • A. 

      Blueberry muffin

    • B. 

      Three dimensional with orbits

    • C. 

      Solid ball

    • D. 

      Nucleus in center with cloud around it

  • 28. 
    Which scientist's atomic model looks like a "three-dimensional model" with "orbits" going around it?                                 
    • A. 

      Dalton

    • B. 

      Bohr

    • C. 

      Rutherford

    • D. 

      Thomson

  • 29. 
    Which scientist's atomic model was called the "blueberry muffin or plum pudding" model because he discovered protons and electrons in the atom?                                      
    • A. 

      Thomson

    • B. 

      Bohr

    • C. 

      Rutherford

    • D. 

      Dalton

  • 30. 
    If the caboose is 20.7 m in length, how many cm will that be when converted?             MUST SHOW WORK ON PAPER TO TURN IN *  Ask yourself are you going from: "big to small" units=move decimal right                               or "small to large" units= move decimal left* Move the decimal the number of times of the zeros in your prefix as centi- means 100=2 zeros.                                       
    • A. 

      207.0

    • B. 

      2.070

    • C. 

      2070 cm

    • D. 

      0.207

  • 31. 
    If the "tape measure" is pulled out 7cm, how many millimeters will it be after converted? READ BEFORE ANSWERING!!!!!!! CONVERT: 1.  7 cm to ? mL = going from "large to small".                      2.  This tells you to move decimal  to "right  (not                              left).                      3.  How do you know how many places to move                              the decimal? 1 time because there                                10 mL = 1cm.                                                                             
    • A. 

      700

    • B. 

      0.7

    • C. 

      70 mm

    • D. 

      7000.0

  • 32. 
    What smallest part of the atom and is the lightest weight?Hint:  The part is located in the "cloud or orbits of the atom".
    • A. 

      Proton

    • B. 

      Neutron

    • C. 

      Electron

  • 33. 
    What is the type of "variable" that is the only thing that "changes" in the experiment? Read below: Hypothesis:  If  you change the color of the light bulbs to red, blue, and green; the red will cause the plant grow taller. The soil will be the same amount and same type.  Each plant will receive the same amount of water, pots will be exactly the same, and plants will be placed in the same location. Conclusion:  The plant using the red bulb grew 3 cm, green bulb the plant grew 2 cm, and the blue bulb plant grew 0.5 cm.The next 3 questions will come from this experiement.
    • A. 

      Dependent variable

    • B. 

      Control

    • C. 

      Independent variable

    • D. 

      Constant

  • 34. 
    What is the type of "variable" that is the "result"  of the one thing you changed in the the experiment?Read below: Remember the hypothesis starts with words as ...If ..and states what the problem is going to be and specifically what you think will happen in the experiment.Hypothesis:  If  you change the color of the light bulbs to red, blue, and green; the red will cause the plant grow taller. The soil will be the same amount and same type.  Each plant will receive the same amount of water, pots will be exactly the same, and plants will be placed in the same location. Conclusion:  The plant using the red bulb grew 3 cm, green bulb the plant grew 2 cm, and the blue bulb plant grew 0.5 cm.
    • A. 

      Dependent variable

    • B. 

      Control

    • C. 

      Independent variable

    • D. 

      Constant

  • 35. 
    What causes the "solubility (dissolving)" of sugar when you make fudge?
    • A. 

      Stirring

    • B. 

      Increasing temperature

    • C. 

      Adding milk

    • D. 

      Drooling

  • 36. 
    What has mass (heaviness) and volume (takes up space)?
    • A. 

      Element

    • B. 

      Matter

    • C. 

      Compounds

    • D. 

      Atom

  • 37. 
    What is "the basic building blocks" of all matter and the "smallest" particles?
    • A. 

      Element

    • B. 

      Molecule

    • C. 

      Atom

    • D. 

      Ion

  • 38. 
    What is being solved when mass is divided by volume?                         ? = M                               V
    • A. 

      Size

    • B. 

      Density

    • C. 

      Weight

    • D. 

      Length

  • 39. 
    Solve this problem on the paper that you are using to write your score today.  Show all work and put the numbers in the formula to get credit. (Find volume and then work it out). 
    • A. 

      0.5 cubic centimeters

    • B. 

      2 cubic centimeters

    • C. 

      1.33 cubic centimeters

    • D. 

      21 cubic centimeters

  • 40. 
    What is a procedure that proves an hypothesis?
    • A. 

      Experiment

    • B. 

      Data

    • C. 

      Observation

    • D. 

      Scientific method