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Measuring instantaneous speed analysis (v=s/t)

Quiz by Oak National Academy: GCSE Combined Science OCR Foundation

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6 questions
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  • Q1
    Match the key word or phrase to the explanation.
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    30s
  • Q2
    How can you check that a practical result is reproducible?
    Have another person follow the same method and compare their results with yours.
    Compare you final answers with values from a textbook.
    Collect another set of results to compare with the first.
    Plot a graph to see if there is a relationship between variables.
    30s
  • Q3
    Which of these should be included in a good written method?
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    30s
  • Q4
    A pupil produces a graph to see if there is a relationship between two variables. What features would the graph have if the variables are directly proportional to each other?
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    30s
  • Q5
    A pupil produces a graph to see if there is a relationship between two variables. The points do not seem to follow a straight line. How should they draw a line of best fit?
    Draw a series of curves through the points.
    Repeat the experiment until they get results that will give a straight line.
    Draw a single straight line from the origin to the last point plotted.
    Draw a single curved line that passes through, or close to, the points.
    Join the points with a series of straight lines, like a dot-to-dot.
    30s
  • Q6
    A pupil suggests measuring the time it takes a trolley to roll 5 cm down a ramp using a stopwatch to get an accurate value of instantaneous speed. Why is this unlikely to produce an accurate result?
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