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Unit 1 Lesson 2 Test Review

Quiz by Kevin Buhl

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25 questions
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  • Q1
    Which of these phrases describes a characteristic of a good scientific experiment?
    Question Image
    results that can be replicated
    uncontrolled surroundings
    small sample size for collecting data
    variable procedures for obtaining data
    30s
  • Q2
    A shot-putter hurls the shot with the same force each time, what is the INDEPENDENT variable?
    Question Image
    force exerted on the shot
    angle at which shot is thrown
    time it takes shot to hit the ground
    distance traveled by the shot
    30s
  • Q3
    Based on shotput data, which question is she most likely trying to answer in her experiment?
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    How much force is exerted on the shot?
    How does the angle of the throw affect how far the shot goes
    How does angle affect how long the shot is in the air?
    How does force on the shot affect how far the shot goes?
    30s
  • Q4
    Jim hurls the ball with same force each time, what is the DEPENDENT variable in the experiment?
    Question Image
    distance traveled by the ball
    force exerted on the ball
    time it takes the ball to hit the ground
    angle at which the ball is thrown
    30s
  • Q5
    Which Dependent changes based on the independent . describes difference between an independent variable and a dependent variable?
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    Independent does NOT change / dependent does NOT change.
    Dependent is the control and independent is the result.
    Dependent changes based on the independent .
    Dependent does NOT change and the independent does change.
    30s
  • Q6
    Based on the class’s data, how can they improve the accuracy of the investigation?
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    Use a different ball.
    Omit trial 4 from the data.
    Average data to account for the short distance in trial 4.
    Do more trials.
    30s
  • Q7
    Why do many experiments include several trials instead of a single trial?
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    Repetition of trials lets you change the procedure.
    Repetition of trials makes the experiment safer.
    Repetition of trials increases the accuracy of the results.
    Repetition of trials increases the sample size.
    30s
  • Q8
    Which method is best for determining the composition of this area?
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    Dig a long, winding tunnel through the area.
    Take deep core samples throughout the area.
    Survey people in the area about their observations.
    Dig extensively throughout the area.
    30s
  • Q9
    You are unable to reproduce a startling new discovery. Which provides a likely explanation?
    The conclusions are based on multiple trials.
    Other scientists don’t have as sophisticated equipment.
    An experimental error produced the startling results.
    The results are announced to the public.
    30s
  • Q10
    During a scientific investigation, which step will a scientist likely perform first?
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    Collect and organize data.
    Ask a question for investigation.
    Defend conclusions drawn from data.
    Plan an experimental procedure.
    30s
  • Q11
    Rubber band stretches when suspend weight from it. Based on data, which variable is DEPENDENT?
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    stretch
    time
    weight
    band type
    30s
  • Q12
    Which conclusion best describes the results shown on the graph?
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    The amount of stretch stays the same as weights are added.
    The amount of stretch is unaffected as weights are added.
    The amount of stretch increases as more weights are added.
    The stretch gradually decreases as more weights are added.
    30s
  • Q13
    During a scientific investigation, which step occurs after a scientist collects data?
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    draw conclusions
    plan the experiment
    follow the procedure
    form the hypothesis
    30s
  • Q14
    Which scientific investigation does not include dependent and independent variables?
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    study effect of temperature on bacterial reproduction rates
    observing and counting bird populations
    investigate effect of mass on speed which an object falls
    Model’s air resistance at different speeds in a wind tunnel
    30s
  • Q15
    David measures the temperature for 15 min. Which equipment indicates the temperature?
    thermometer
    graduated cylinder
    Bunsen burner
    clock
    30s

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