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Leaving Cert Physics: Temperature

How often Temperature comes up on the Physics papers, every year it was asked, and questions to try.

HL Asked on 3 of the last 10 Higher Level papers, most recently in 2026.

OL Asked on 7 of the last 10 Ordinary Level papers, most recently in 2026. most years

June 2027 is the first exam on the new Physics course. These come from the 2016–2026 papers, so read them as a guide.

Temperature, Higher Level(6 marks)

Quick ones on Temperature.

(a)Convert 27 °C to kelvin.
  1. 246 K
  2. 300 K
  3. 27 K
(b)Define temperature.
  1. The amount of heat contained in a body
  2. The total energy of all the particles in a body
  3. A measure of the hotness or coldness of a body
(c)What is absolute zero on the Celsius scale?
  1. -273 °C
  2. -100 °C
  3. 0 °C
Show the answers

(a) 300 K

(b) A measure of the hotness or coldness of a body

(c) -273 °C

Your turn: Higher Level questions on Temperature.

Higher Level

Asked on 3 of the last 10 Higher Level papers, most recently in 2026.

Every paper, year by year

YearWhere it came up
2026Q6(e)
2025Q10
2024Not asked
2023Not asked
2022Not asked
2021Not asked
2019Not asked
2018Not asked
2017Not asked
2016Q5(i)

Links open the State Examinations Commission’s paper for that year.

Ordinary Level

Asked on 7 of the last 10 Ordinary Level papers, most recently in 2026. most years

Every paper, year by year

YearWhere it came up
2026Q8
2025Q11
2024Not asked
2023Q6(c), Q6(g)
2022Q6(c)
2021Q11
2019Q5(f), Q8
2018Q7
2017Not asked
2016Not asked

Links open the State Examinations Commission’s paper for that year.

More Temperature questions

Temperature, 2 marks

Heat flows between two bodies in contact. In which direction?

  1. From the colder body to the hotter body
  2. From the larger body to the smaller body
  3. From the hotter body to the colder body
Show the answer

From the hotter body to the colder body

Temperature decides the direction of heat flow. Heat flows from high to low temperature until both are the same.

Temperature, 2 marks

Convert 373 K to degrees Celsius.

  1. 373 °C
  2. 100 °C
  3. 646 °C
Show the answer

100 °C

θ in °C = T in K − 273, so 373 − 273 = 100 °C, the boiling point of water. 646 comes from adding 273 instead.

Temperature, 2 marks

What is a thermometric property?

  1. A physical property that changes measurably with temperature
  2. The temperature at which a liquid boils at normal pressure
  3. The amount of heat energy stored in a body
Show the answer

A physical property that changes measurably with temperature

Examples: the length of a liquid column, the resistance of a thermistor, the emf of a thermocouple. Every thermometer uses one.

Other Physics topics

All of Leaving Cert Physics