Measurement of Temperature

Measurement of temperature

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Multiple Choice

Temperature measures

• the size of the object

• the mass of the object

• the hotness or coldness of the object

• the weight of the object

Temperature is the degree of hotness or coldness of an object.

The instrument used to measure temperature is called a Thermometer.

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Multiple Choice

Device used to measure the temperature

• Measuring tape

• Metre Scale

• Beam Balance

• Thermometer

Thermometer

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Types of thermometer

Multiple Choice

What does a Thermometer measure?

• Length

• Weight

• Time

• Temperature

Read the thermometer:

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Read the thermometer:

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Read the thermometer:

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Multiple Choice

This happens to water at 100 degrees Celsius.

• Boils

• Freezes

• Heats

• All of them

Multiple Choice

This happens to water at 0 degrees Celsius.

• Boils
• Freezes
• Heats
• All of them

Multiple Choice

Which thermometers temperature is about  25° Celcius?

• Blue
• Green
• Blue
• Blue and Green

Multiple Choice

thermocouple is a device that gives output voltage that depends on temperature

• True

• False

Multiple Choice

• Wire 1 and Wire 2 wire both can be copper

• Wire 1 and Wire 2 both needs to be different metal

Multiple Choice

Which thermometer has the greatest sensitivity and which thermometer has the greatest range?

• greatest sensitivity:P greatest range:R

• greatest sensitivity:P greatest range:S

• greatest sensitivity:Q greatest range:R

• greatest sensitivity:Q greatest range:S

Multiple Choice

Which type of thermometer is used for measuring temperature above 1000 $$\degree C$$  and which type is used for measuring temperatures that change rapidly ?

• measures temperatures above 1000 $$\degree C$$  : liquid-in-glass, measures temperature that changes rapidly:liquid-in-glass 

• measures temperatures above 1000undefined :liquid-in-glass,  measures temperature that changes rapidly: thermocouple

• measures temperatures above 1000undefined :thermocouple, measures temperature that changes rapidly:liquid-in-glass 

• measures temperatures above 1000undefined :thermocouple, measures temperature that changes rapidly: thermocouple 

Multiple Choice

Temperature is a measure of the...

• total energy in a substance
• total kinetic energy in a substance
• average potential energy in a substance
• average kinetic energy of molecules in a substance

Multiple Choice

How does a liquid-in-gas thermometer work?

• heat energy causes the liquid in the bulb to expand and rise up the tube

• heat energy causes the liquid in the bulb to contract and rise up the tube

• heat energy causes the liquid in the bulb to expand and fall down the tube

• heat energy causes the liquid in the bulb to contract and fall down the tube

Multiple Choice

What is meant by the range of a thermometer?

• the difference between the maximum and minimum temperature the thermometer can measure

• the average between the maximum and minimum temperature the thermometer can measure

• the smallest value the thermometer can measure

• the smallest difference the thermometer can distinguish

Multiple Choice

Which of these best describes evaporation?

• the escape of more-energetic molecules from the surface of a liquid

• the escape of more-energetic molecules from the surface of a gas

• the escape of less-energetic molecules from the surface of a liquid

• the escape of less-energetic molecules from the surface of a gas

Multiple Choice

Which of the following factors do not affect the rate of evaporation?

• Temperature of the liquid

• Surface area of the liquid

• Depth of the liquid

• Draught/ movement of air

Multiple Choice

What tool do we use to measure temperature?

• Manometer

• Barometer

• Thermocouple

• Electronic balance

Multiple Choice

What is meant by the fixed points of the scale of a liquid-in-glass thermometer?

• the distance between one scale division and the next

• the highest and lowest temperatures that the thermometer can record

• the maximum and minimum depth to which the thermometer should be submerged in a liquid

• the two agreed temperatures used for marking the temperature scale

Multiple Choice

To mark a temperature scale on a thermometer, standard temperature known as fixed points are needed. Which of these is a fixed point on the Celsius scale?

• room temperature

• the temperature inside a freezer

• the temperature of pure melting ice

• the temperature of pure warm water

Multiple Choice

The thermometer in the diagram has no scale. Where must the bulb be placed so that 0 degrees Celsius can be marked on the stem?

• in a freezer

• in pure boiling water

• in pure cold water

• in pure melting ice

Multiple Choice

Which statement about evaporation is correct?

• Evaporation causes the temperature of the remaining liquid to decrease.

• Evaporation does not occur from a cold liquid near its freezing point.

• Evaporation does not occur from a dense liquid, such as mercury.

• Evaporation occurs from all parts of a liquid.

Multiple Choice

Which two features both affect the sensitivity of the thermometer?

• mass of liquid and diameter of liquid thread

• mass of liquid and length of stem

• thickness of glass bulb and diameter of liquid thread

• thickness of glass bulb and length of stem