Physical Science Ch. 1

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bogera
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64766
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Physical Science Ch. 1
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2011-02-07 17:40:26
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Physical Science
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Physical Science Ch. 1
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  1. An organized set of investigation procedures.

    A. observations
    B. scientific method
    C. theory
    scientific method
  2. A possible explanation for a problem

    A. theory
    B. experiment
    C. hypothesis
    hypothesis
  3. Test the hypothesis

    A. theory
    B. experiment
    C. hypothesis
    experiment
  4. A quantity that can have more than a single value.

    A. variable
    B. model
    C. constant
    variable
  5. Its value changes according to the changes in the independent variable.

    A. independent variable
    B. dependent variable
    C. constant
    dependent variable
  6. The variable you change to see how it will affect the dependent variable.

    A. independent variable
    B. dependent variable
    C. constant
    independent variable
  7. A factor that does not change

    A. control
    B. variable
    C. constant
    constant
  8. The standard by which the test results can be compared.

    A. control
    B. variable
    C. constant
    control
  9. Occurs when what the scientist expects changes how the results are viewed.

    A. bias
    B. theory
    C. control
    bias
  10. Represents an idea, event , or object to help people better understand it.

    A. experiment
    B. control
    C. model
    model
  11. An explanation of things or events based on knowledge gained from many observations and investigations.

    A. scientific law
    B. theory
    C. hypothesis
    theory
  12. A statement about what happens in nature.

    A. scientific law
    B. theory
    C. hypothesis
    scientific law
  13. Application of science to help people.

    A. technology
    B. scientific law
    C. hypothesis
    technology
  14. An exact quantity that people agree to use to compare measurements.

    A. control
    B. standard
    C. variable
    standard
  15. Standards that are universally accepted and understood by scientists throughout the world.

    a. control
    b. SI
    c. feet
    SI
  16. Unit used to measure distance.

    A. gram
    B. meter
    C. liter
    meter
  17. Unit used to measure time.

    A. meter
    B. liter
    C. second
    second
  18. Unit used to measure mass.

    A. gram
    B. meter
    C. liter
    gram
  19. Unit used to measure volume.

    A. gram
    B. meter
    C. liter
    liter
  20. Unit used to measure temperature.

    a. Kelvin
    b. second
    c. gm/cm3
    Kelvin
  21. Unit used to measure density

    a. Kelvin
    b. second
    c. gm/cm3
    gm/cm3
  22. Amount of space occupied by an object

    A. mass
    B. volume
    C. distance
    volume
  23. The amount of matter in an object.

    A. mass
    B. volume
    C. distance
    mass
  24. The mass per unit volume of a material

    A. density
    B. mass
    C. distance
    density
  25. A unit obtained by combining different SI units.

    A. constant
    B. derived unit
    C. label
    derived unit

    • EX: gm/cm3
    • cm2
  26. Visual display of information

    A. data
    B. model
    C. graph
    graph
  27. Shows change over time.

    A. line graph
    B. bar graph
    C. circle graph
    line graph
  28. Located on the horizontal (x) axis.

    A. dependent variable
    B. independent variable
    independent variable
  29. Located on the vertical (y) axis.

    A. dependent variable
    B. independent variable
    dependent variable
  30. Graph useful for comparing information collected by counting

    A. line graph
    B. bar graph
    C. circle graph
    bar graph
  31. Graph that shows how a fixed quantity is broken down into parts.

    A. line graph
    B. bar graph
    C. circle graph
    circle graphs

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