A student wants to measure the upper and lower fixed points on a Celcius scale thermometer. She has four beakers P, Q, R and S. Beaker P contains a mixture of ice and salt. Beaker Q contains a mixture of ice and water. Beaker R contains boiling salt solution. Beaker S contains boiling water. Which two beakers should she use to check the fixed points?

Which points are the fixed points of the liquid-in-glass thermometer shown?

A mercury thermometer with no scale is taped to a ruler as shown. When the thermometer is placed in steam, the mercury level rises to 22.0cm. When the thermometer is placed in pure melting ice, the mercury level falls to 2.0cm. Which temperature is shown by the mercury level in the diagram?

The diagram shows a liquid-in-glass thermometer. How can the thermometer be made more sensitive?

The diagram shows a liquid-in-glass thermometer. Which two features both affect the sensitivity of the thermometer?

Which line in the table shows the relative expansion of the three states of matter from the most expansion to the least expansion?

The melting points of ethanol and mercury are shown. Which of these two liquids is / are suitable to use in a liquid-in-glass thermometer to measure temperatures of –50°C and –120°C?