Science Practice Quiz 156

Q1.Why is it generally advised to read the temperature using a laboratory thermometer while it is still immersed in the substance?

A. To prevent the thermometer from breaking B. To ensure the mercury thread becomes steady C. Because the mercury level begins to fall as soon as it is taken out D. To avoid contamination of the substance

Q2.Which type of thermometer is generally not considered convenient for measuring human body temperature?

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

Q3.What specific feature is present near the bulb of a clinical thermometer?

A. A sensor B. A kink C. A magnifying lens D. A heating element

Q4.What is the primary function of the kink found in a clinical thermometer?

A. To increase the accuracy of the reading B. To prevent the mercury level from falling on its own C. To allow for easy recalibration D. To indicate the maximum temperature reached

Q5.In general, how does heat flow between a hotter object and a colder object?

A. From a colder object to a hotter object B. From a hotter object to a colder object C. Only when both objects are in direct contact D. Only through the vacuum

Q6.What is the process called by which heat is transferred from the hotter end to the colder end of an object?

A. Convection B. Radiation C. Conduction D. Evaporation

Q7.In which state of matter is heat generally transferred by the process of conduction?

A. Liquids B. Gases C. Solids D. Plasma

Q8.What is the main concern regarding the use of mercury in thermometers?

A. It is highly flammable and can cause fires. B. It is a poor conductor of heat, making readings inaccurate. C. It is a toxic substance and difficult to dispose of if a thermometer breaks. D. It expands too rapidly with temperature changes, leading to breakage.

Q9.As of the 2024-25 reprint, what type of thermometers are available that do not use mercury?

A. Clinical thermometers B. Laboratory thermometers C. Digital thermometers D. Alcohol thermometers

Q10.According to the provided text, what are the materials which allow heat to pass through them easily called?

A. Insulators B. Conductors C. Semiconductors D. Superconductors

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Science Practice Quiz 156