Temperature Measurement and Scales
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Questions and Answers

Which symbol is not accompanied by a degree sign?

  • K (correct)
  • °C
  • °K
  • °F

    • What is the correct formatting for writing temperatures?

  • Space between the unit and number (correct)
  • No space between the number and unit
  • Degree sign is written after the number
  • A full stop is placed after the unit

    • Which of the following statements is true regarding temperature units?

  • The plural 'degrees' is used for temperatures more than one. (correct)
  • Degrees is used only in the Fahrenheit scale.
  • A full stop is always used after temperature units.
  • Symbols for all temperature units are lowercase letters.

    • Which one of the following is not an appropriate use for a clinical thermometer?

    <p>Measuring boiling water temperature</p> Signup and view all the answers

    Which measurement indicates that pulse rate may not reliably indicate fever?

    <p>Effects of physical activity</p> Signup and view all the answers

    What is a limitation of using pulse rate as an indicator of fever?

    <p>It is affected by various other conditions.</p> Signup and view all the answers

    Why might pulse rate alone not be a reliable indicator of fever according to historical knowledge?

    <p>Other health conditions can affect pulse rate.</p> Signup and view all the answers

    What aspect of temperature measurement is likely essential for determining scenarios beyond 1°C?

    <p>Measuring temperatures beyond the clinical thermometer range</p> Signup and view all the answers

    What is the primary aim of the described activity with the containers of water?

    <p>To compare temperature perception using touch</p> Signup and view all the answers

    What water temperatures are used in containers A, B, and C?

    <p>Warm, tap, ice-cold</p> Signup and view all the answers

    What predictions should the participant make before starting the activity?

    <p>Feelings about the temperature of each container's water</p> Signup and view all the answers

    When hands are removed from containers A and C, what is expected when placing both in B?

    <p>Right hand feels B as cool, left hand feels it as warm</p> Signup and view all the answers

    What concept does the activity primarily illustrate regarding human perception?

    <p>The difference between subjective and objective temperature</p> Signup and view all the answers

    What should the participant do after completing the activity?

    <p>Compare predictions with actual observations</p> Signup and view all the answers

    Why is it important to keep hands in containers A and C for 1-2 minutes?

    <p>To fully feel the temperature differences in the water</p> Signup and view all the answers

    What inference can be drawn from the differing sensations felt when moving hands from A and C to B?

    <p>Previous sensory experiences influence current perceptions</p> Signup and view all the answers

    What happens to the temperature of ice during the melting process?

    <p>It remains constant.</p> Signup and view all the answers

    What was the highest temperature recorded for boiling water by the students?

    <p>98.1 °C</p> Signup and view all the answers

    Which student's temperature reading was lower than the others?

    <p>Phiban</p> Signup and view all the answers

    What could be a possible reason for differences in temperature readings among students?

    <p>Incorrect methods of reading temperatures.</p> Signup and view all the answers

    Which student recorded the same temperature as Shemphang?

    <p>Kloi</p> Signup and view all the answers

    What is the lowest temperature reported for boiling water in the experiment?

    <p>97.8 °C</p> Signup and view all the answers

    How should the temperature of boiling water be ideally taken?

    <p>By ensuring the thermometer does not touch the sides of the pot.</p> Signup and view all the answers

    What does the temperature of boiling water indicate about its physical state?

    <p>It transitions from liquid to gas.</p> Signup and view all the answers

    What is the lowest temperature a laboratory thermometer can measure?

    <p>-10 °C</p> Signup and view all the answers

    What is the highest temperature that a laboratory thermometer can measure?

    <p>110 °C</p> Signup and view all the answers

    What is the range of the laboratory thermometer mentioned in the content?

    <p>-10 °C to 110 °C</p> Signup and view all the answers

    How should a laboratory thermometer be handled to avoid breakage?

    <p>Handle with care</p> Signup and view all the answers

    What precaution should be taken when a laboratory thermometer hits a hard object?

    <p>It will break</p> Signup and view all the answers

    To correctly measure temperature, a laboratory thermometer should not be held by which part?

    <p>The bulb</p> Signup and view all the answers

    While observing a laboratory thermometer, what value should be noted for accuracy?

    <p>Both the highest and lowest values</p> Signup and view all the answers

    What should the user do when trying to find the smallest value a given laboratory thermometer can read?

    <p>Observe and calculate</p> Signup and view all the answers

    What is the SI unit of temperature?

    <p>Kelvin</p> Signup and view all the answers

    Which of the following instruments is specifically designed to measure body temperature?

    <p>Clinical thermometer</p> Signup and view all the answers

    The Fahrenheit scale is denoted by which symbol?

    <p>°F</p> Signup and view all the answers

    Which temperature scale is commonly used in scientific contexts?

    <p>Kelvin scale</p> Signup and view all the answers

    How is temperature measured on the Celsius scale?

    <p>Degree Celsius</p> Signup and view all the answers

    Which temperature scale does not use degrees?

    <p>Kelvin scale</p> Signup and view all the answers

    What does the temperature of a body indicate?

    <p>How hot or cold the body is</p> Signup and view all the answers

    Which of the following scales is NOT commonly used for measuring temperature?

    <p>Barometric scale</p> Signup and view all the answers

    Study Notes

    Temperature and Its Measurement

    • Temperature indicates how hot or cold an object is, measurable using various scales.
    • Common temperature scales include Celsius (°C), Fahrenheit (°F), and Kelvin (K).
    • The SI unit for temperature is the kelvin (K).

    Activity: Understanding Temperature

    • Use three containers labeled A, B, and C filled with warm, tap, and ice-cold water, respectively.
    • Dip right hand in container A and left hand in container C for 1–2 minutes before placing both in B.
    • Record predictions of sensations and compare with actual observations after conducting the experiment.

    Clinical Thermometers

    • Clinical thermometers measure body temperature, typically measuring in the range of 35°C to 42°C.
    • Not suitable for extreme temperatures like boiling water or ice.
    • Care should be taken when handling; do not hold by the bulb to prevent breakage.

    Laboratory Thermometers

    • Laboratory thermometers can measure from -10 °C to 110 °C.
    • Take care to avoid hitting against hard surfaces to prevent breakage.
    • Used for various temperature readings, including boiling liquids.

    Observations and Data Analysis

    • Temperature readings for boiling water varied among students, revealing differences in measurement approaches.
    • Common readings ranged from 97.8°C to 98.1°C, prompting discussion on measurement consistency and accuracy.

    Key Precautions

    • Handle thermometers with care to avoid damage.
    • Ensure proper technique when reading thermal measurements and recording data.

    Practical Applications

    • Understanding temperature is crucial for physical science experiments and various clinical or laboratory practices.
    • This knowledge helps in investigating temperature effects, including sensations of hot and cold, as experienced through touch.

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    Quiz Team

    Description

    Explore the concepts of temperature and how it is measured using various scales like Celsius, Fahrenheit, and Kelvin. This quiz covers both clinical and laboratory thermometers, highlighting their specific applications and limitations. Test your understanding of temperature through practical activities and theoretical knowledge.

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