Science Practice Quiz 153

Q1.Which of the following pairs correctly identifies an object as hot and another as cold?

A. Ice cream (hot), Fruit juice (cold) B. Tea (hot), Ice (cold) C. Spoon in a tea cup (cold), Frying pan handle (hot) D. Cold water (hot), Hot water (cold)

Q2.What is a common method used to decide if an object is hotter or colder than another, and what concern is raised about this method?

A. By measuring temperature with a thermometer; it is often inaccurate. B. By observing color changes; it is subjective. C. By touching the objects; its reliability is questioned. D. By comparing their weight; it is impractical.

Q3.What is the specific name given to the thermometer used to measure human body temperature?

A. Laboratory thermometer B. Clinical thermometer C. Digital thermometer D. Industrial thermometer

Q4.Which substance is contained in the bulb of a clinical thermometer?

A. Alcohol B. Water C. Mercury D. Kerosene

Q5.As per the information from the 2024-25 reprint, which temperature scale has India adopted for general use?

A. Fahrenheit scale B. Kelvin scale C. Celsius scale D. Rankine scale

Q6.What is the typical temperature range that a clinical thermometer reads in Celsius?

A. 0°C to 100°C B. 35°C to 42°C C. -10°C to 110°C D. 20°C to 50°C

Q7.What is considered a reliable measure of the hotness of an object?

A. Its color B. Its weight C. Its temperature D. Its texture

Q8.By what device is temperature measured?

A. Barometer B. Hydrometer C. Thermometer D. Ammeter

Q9.Which temperature scale, with a range of 94–108 degrees, was in use earlier?

A. Celsius scale B. Kelvin scale C. Fahrenheit scale D. Réaumur scale

Q10.Why can we not always rely on our sense of touch to determine if an object is hot or cold?

A. It is too sensitive. B. It can sometimes deceive us. C. It only works for extreme temperatures. D. It requires special training.

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Science Practice Quiz 153