13.1 – Investigating Alcohol as a Thermometer Liquid (Leaving Cert Physics): Quizzes

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13.1 – Investigating Alcohol as a Thermometer Liquid
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What is the main goal of investigating alcohol in glass as a thermometer liquid?

To analyse alcohol's suitability

What is a thermometric property?

A property changing predictably with temp

What is the thermometric property for alcohol thermometers?

Expansion of alcohol column length

What does an ungraduated alcohol-in-glass thermometer lack?

A temperature scale marked on it

Why are both ungraduated and standard thermometers needed in this experiment?

To establish temperature-length relationship

Where should both thermometers be placed initially?

In a beaker of melting ice

Why should the experiment start with melting ice?

It gives reliable baseline at 0°C

What should be plotted on the vertical axis of the calibration graph?

Alcohol column length in mm

What temperature increments should be used when heating the water?

Increments of approximately 10°C

How many times should measurements be taken at different temperatures?

At least six times

If alcohol column increases 30mm over 60°C, what is the sensitivity in mm/°C?

0.50.5 mm/°C

What characteristic should a good thermometer liquid show?

Consistent expansion with temp

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