Scientific Method and Hypothesis Testing
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Questions and Answers

What is the main distinction between accuracy and precision in scientific measurements?

  • Accuracy and precision are the same in scientific measurements.
  • Accuracy refers to how closely measurements agree with each other, while precision refers to how close a measurement is to the true value. (correct)
  • Accuracy refers to the number of significant figures, while precision refers to the temperature scale used.
  • Accuracy refers to the uncertainty in measurements, while precision refers to the significant figures used.

    • What does it indicate when the influx of heat is felt when touching a hot object?

  • The object has the same temperature as our hand.
  • The object's temperature cannot be determined.
  • The object has a lower temperature than our hand.
  • The object has a higher temperature than our hand. (correct)

    • Which of the following temperature scales are currently in use?

  • °K, °F, °R
  • °C, °F, °R
  • °C, K, °R
  • °F, °C, K (correct)

    • What is the purpose of indicating significant figures in a measured quantity?

    <p>To show the uncertainty in the measurement</p> Signup and view all the answers

    In figure 1.13, what does poor accuracy and good precision look like on a dartboard?

    <p>Poor accuracy and good precision</p> Signup and view all the answers

    What do all digits, including the uncertain one, represent in a measured quantity?

    <p>Significant figures</p> Signup and view all the answers

    How does heat flow between substances according to scientific understanding?

    <p>From higher temperature to lower temperature</p> Signup and view all the answers

    What term describes how closely two or more measurements of the same quantity agree with each other?

    <p><em>Precision</em></p> Signup and view all the answers

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