Temperature and its Measurement
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
Concepts of Hot and Cold
SubtopicConcepts of Hot and Cold under Temperature and its Measurement for Grade 6 CBSE.
Preview questions (no answers)
- 1.
The degree of hotness of an object is called:
A.Heat capacity
B.Temperature
C.Thermal energy
D.Latitude
- 2.
Which of the following objects is colder than tap water at room temperature?
A.A hot tea bag
B.Freshly baked bread
C.Ice cubes
D.A sun-warmed stone
- 3.
Which of these sensations indicates the highest degree of hotness?
A.Chilly
B.Warm
C.Burning hot
D.Cool
- 4.
Why is it not advisable to use a clinical thermometer to measure the temperature of boiling milk?
A.It is too long
B.It may break due to high temperature
C.It only measures cold things
D.Milk does not have temperature
- 5.
In the century, who developed the temperature scale where was the freezing point and was the boiling point of water?
A.Daniel Gabriel Fahrenheit
B.Anders Celsius
C.Lord Kelvin
D.Galileo Galilei
- 6.
Which of the following thermometers is best suited for measuring the temperature of boiling oil in a kitchen experiment?
A.Clinical thermometer
B.Laboratory thermometer
C.Digital clinical thermometer
D.A strip thermometer
- 7.
Why should we avoid touching the bulb of a thermometer while reading the temperature of a substance?
A.The bulb is very fragile and might break
B.The heat from our fingers will change the thermometer's reading
C.Mercury might leak through the glass onto our fingers
D.It will cause the scale to fade over time
- 8.
Which of the following is NOT a property of a good thermometric liquid?
A.It should have a high boiling point.
B.It should be opaque and easily visible.
C.It should have a non-uniform expansion with temperature.
D.It should not stick to the walls of the tube.
- 9.
Why is it easier to read a digital thermometer compared to a mercury-in-glass thermometer?
A.Digital thermometers use bigger glass tubes.
B.Digital thermometers provide a direct numerical display without needing to align with a thread.
C.Digital thermometers are always colored red.
D.Digital thermometers have no scale markings.
- 10.
A student measures his body temperature as and his friend's as . Who has a higher body temperature?
A.The student ()
B.The friend ()
C.Both have nearly the same temperature.
D.It cannot be determined without a laboratory thermometer.
Download the worksheet for Temperature and its Measurement - Concepts of Hot and Cold to practice offline. It includes additional chapter-level practice questions.
Laboratory and Clinical Thermometers
SubtopicLaboratory and Clinical Thermometers under Temperature and its Measurement for Grade 6 CBSE.
Preview questions (no answers)
- 1.
Why is mercury preferred over water in a thermometer?
A.Water evaporates easily
B.Water sticks to the glass
C.Water does not expand uniformly
D.All of the above
- 2.
What is the typical length of the scale on a clinical thermometer in Celsius?
A.to
B.to
C.to
D.to
- 3.
Who is the Celsius scale named after?
A.Isaac Newton
B.Anders Celsius
C.Lord Kelvin
D.Daniel Fahrenheit
- 4.
Can we use a laboratory thermometer to measure our own body temperature?
A.Yes, it is very accurate
B.No, because the mercury level falls as soon as we take it out of the mouth
C.Yes, but only if we jerk it first
D.No, because it is too short
- 5.
The bulb of a thermometer is made of very thin glass. Why is this specific design choice important for the thermometer’s function?
A.To make the thermometer lightweight and easier to handle during experiments
B.To allow the mercury inside to respond quickly to changes in temperature
C.To prevent the glass bulb from cracking when placed in boiling water
D.To help the bulb act as a magnifying lens for the thin mercury thread
- 6.
What should you do if the mercury thread in a clinical thermometer is hard to see?
A.Shake it vigorously until the glass breaks
B.Slightly rotate the thermometer until the thread is visible
C.Place it in boiling water to make the thread thicker
D.Paint the glass tube with silver color
- 7.
In ancient times, people used the 'sensation of touch' to compare objects. Why was this considered unreliable?
A.Objects always have the same temperature
B.The same object can feel hot to one hand and cold to another
C.Hands cannot feel any temperature below
D.The sense of touch is only accurate for liquids
- 8.
A student is calibrating a custom laboratory thermometer. They mark the mercury level in melting ice as Point and the level in boiling water as Point . The distance between Point and Point is measured to be . If the thermometer is then placed in a beaker of warm water and the mercury level rises to above Point , what is the temperature of the water?
A.B.C.D. - 9.
Why is the stem of a laboratory thermometer usually longer than that of a clinical thermometer?
A.To make it easier to stir the liquids.
B.To accommodate a much wider range of temperatures (usually to ).
C.Because laboratory glass is cheaper.
D.To prevent the user's hand from getting burnt.
- 10.
An object A is at and object B is at . If they are placed in contact, what will happen?
A.Heat will flow from A to B.
B.Heat will flow from B to A.
C.No heat will flow as they are at the same temperature.
D.Both will immediately reach .
Download the worksheet for Temperature and its Measurement - Laboratory and Clinical Thermometers to practice offline. It includes additional chapter-level practice questions.
Reading Temperature and Units
SubtopicReading Temperature and Units under Temperature and its Measurement for Grade 6 CBSE.
Preview questions (no answers)
- 1.
The 'kink' in a clinical thermometer is also known as a:
A.Expansion joint
B.Constriction
C.Vacuum
D.Bulb
- 2.
What happens to the liquid in a thermometer when it is cooled?
A.It expands
B.It evaporates
C.It contracts
D.It disappears
- 3.
Which part of a clinical thermometer is usually placed under the tongue?
A.Stem
B.Scale
C.Bulb
D.Kink
- 4.
When we say 'It is very cold today, the temperature is degrees', which scale are we likely referring to in India?
A.Kelvin
B.Fahrenheit
C.Celsius
D.Joule
- 5.
A thermometer is calibrated in C intervals. A reading is exactly between the 22 and 23 marks. What is the most accurate way to record this temperature?
A.C
B.C
C.C
D.C
- 6.
When measuring the temperature of a substance, what is actually being measured at a molecular level?
A.The total number of molecules
B.The average kinetic energy of the particles
C.The chemical bonds between atoms
D.The total weight of the substance
- 7.
Which of the following is the correct unit used for measuring temperature in clinical settings in India besides Celsius?
A.Joule
B.Fahrenheit
C.Ampere
D.Calorie
- 8.
When comparing two thermometers, one with a wide bore and one with a very narrow bore, which one will be more sensitive to small temperature changes?
A.The one with the wide bore.
B.The one with the narrow bore.
C.Both will be equally sensitive.
D.Bore width does not affect sensitivity.
- 9.
Why can't we use a laboratory thermometer to measure the temperature of our own body by placing it under the tongue and then taking it out to read?
A.Laboratory thermometers are too long.
B.The mercury level would drop as soon as it is removed from the mouth.
C.Laboratory thermometers contain poisonous alcohol.
D.The bulb is too large to fit under the tongue.
- 10.
A temperature difference of is equivalent to a difference of how many degrees on the Fahrenheit scale?
A.B.C.D.
Download the worksheet for Temperature and its Measurement - Reading Temperature and Units to practice offline. It includes additional chapter-level practice questions.
Air Temperature
SubtopicAir Temperature under Temperature and its Measurement for Grade 6 CBSE.
Preview questions (no answers)
- 1.
The expansion of which substance helps us read the temperature in a traditional thermometer?
A.The glass
B.The air inside
C.The liquid (Mercury/Alcohol)
D.The scale
- 2.
When measuring the air temperature, where should the thermometer be placed for an accurate reading?
A.Directly under the sun
B.In an open, shaded area
C.Inside a closed box
D.Buried in the sand
- 3.
Which of these temperatures is the highest?
A.B.C.D. - 4.
If the temperature is , the weather is likely to be:
A.Very hot
B.Very cold/Freezing
C.Humid
D.Rainy
- 5.
The average of the maximum and minimum temperatures of a day gives us the:
A.Diurnal range
B.Mean daily temperature
C.Total daily heat
D.Absolute temperature
- 6.
What does a 'negative' temperature (e.g., ) indicate?
A.The temperature is below the freezing point of water
B.The temperature is impossible
C.The thermometer is broken
D.There is no heat energy at all
- 7.
Why is the scale on a clinical thermometer limited (e.g., to )?
A.Human body temperature only varies within this small range
B.Mercury cannot expand beyond
C.Glass breaks at
D.It makes the thermometer cheaper to produce
- 8.
Which of the following describes a 'Maximum Thermometer' (like those used in meteorology) differently from a standard one?
A.It uses a special blue liquid that only expands up
B.It has a constriction that allows mercury to push past when expanding but prevents it from returning when cooling
C.It is connected to a computer that saves the highest number
D.It is much larger than a standard thermometer
- 9.
In the construction of a thermometer, why is it important that the glass used has a low coefficient of thermal expansion?
A.To prevent the glass from cracking when it gets hot
B.To ensure that the change in the liquid's level is almost entirely due to the expansion of the liquid, not the glass
C.To make the thermometer easier to hold
D.To allow the glass to be painted with the scale
- 10.
The 'Greenhouse Effect' primarily involves the atmosphere trapping which type of radiation to maintain air temperature?
A.Incoming short-wave solar radiation
B.Outgoing long-wave terrestrial (infrared) radiation
C.Ultraviolet radiation from the sun
D.Gamma rays from space
Download the worksheet for Temperature and its Measurement - Air Temperature to practice offline. It includes additional chapter-level practice questions.