
Quiz 4: Temperature Measurement Instruments
Quiz by Mr.MD Showket Hasan
Grade 7
Science
Thailand Core Curriculum
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20 questions
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- Q1What is the main purpose of a thermometer?To measure temperatureTo measure distanceTo measure weightTo measure speed30sSC7.SPS.2
- Q2Which thermometer is commonly used in medical settings for body temperature?Mercury thermometerInfrared thermometerAlcohol thermometerDigital thermometer30s
- Q3Why is alcohol used in some thermometers instead of mercury?Alcohol is more visible than mercuryAlcohol is less toxic than mercuryAlcohol is cheaper than mercuryAlcohol measures higher temperatures30s
- Q4What happens to the liquid in a glass thermometer when the temperature increases?It contractsIt evaporatesIt expandsIt stays the same30s
- Q5Which type of thermometer is safest for measuring body temperature?Digital thermometerInfrared thermometerMercury thermometerAlcohol thermometer30s
- Q6Why are digital thermometers preferred for medical use?They use mercury for accuracyThey require manual readingThey are quicker and saferThey are more expensive30s
- Q7Mercury thermometers should NOT be used in which of the following situations?For measuring body temperatureIn extremely high temperaturesIn very low temperaturesFor lab experiments30s
- Q8What is the primary disadvantage of using a mercury thermometer?Mercury is toxicMercury thermometers are inaccurateMercury is expensiveMercury cannot measure low temperatures30s
- Q9What is the purpose of the liquid in a glass thermometer?To provide weight for the thermometerTo act as a color indicatorTo measure pressureTo show the temperature through expansion and contraction30s
- Q10How should a glass thermometer be read?Hold it at eye level and read the liquid levelHold it horizontally and read from the sideHold it sideways and look at the liquid levelHold it vertically and read from the bottom30s
- Q11At what point should you clean a thermometer after use?Before and after each useOnly before useOnly if used on multiple peopleOnly after each use30s
- Q12Which of the following thermometers is best suited for very low temperatures?Infrared thermometerMercury thermometerDigital thermometerAlcohol thermometer30s
- Q13What is the main reason mercury is no longer commonly used in clinical thermometers?It is costly to produceIt is toxic and can be hazardous if brokenIt has limited availabilityIt does not provide accurate readings30s
- Q14Which thermometer type relies on electronic sensors to measure temperature?Glass thermometerMercury thermometerDigital thermometerAlcohol thermometer30s
- Q15Which precaution should be taken when handling a glass thermometer?Place it near flames for sterilizationShake it vigorously before each useAvoid exposing it to extremely cold or hot conditions suddenlyStore it in high temperatures to prevent breakage30s