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Junior Cycle · Junior Cycle Science

Junior Cycle Science: Water & carbon cycles

How often Water & carbon cycles comes up on the Science papers, every year it was asked, and questions to try.

CL Asked on 4 of the last 6 Common Level papers, most recently in 2026. most years

Water & carbon cycles, Common Level(6 marks)

Quick ones on Water & carbon cycles.

(a)In the water cycle, water vapour cools to form clouds. What is this process?
  1. Evaporation
  2. Condensation
  3. Transpiration
(b)What is the loss of water vapour from the leaves of plants called?
  1. Condensation
  2. Evaporation
  3. Transpiration
(c)Which process removes carbon dioxide from the air?
  1. Photosynthesis
  2. Burning fossil fuels
  3. Respiration
Show the answers

(a) Condensation

(b) Transpiration

(c) Photosynthesis

Your turn: Common Level questions on Water & carbon cycles.

Common Level

Asked on 4 of the last 6 Common Level papers, most recently in 2026. most years

Every paper, year by year

YearWhere it came up
2026Q2
2025Not asked
2024Q17
2023Q11
2022Not asked
2019Q3

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

More Water & carbon cycles questions

Water & carbon cycles, 3 marks

Carbon stored in fossil fuels for millions of years returns to the air mainly by?

  1. Photosynthesis
  2. Evaporation of the sea
  3. Burning (combustion)
Show the answer

Burning (combustion)

Burning coal, oil, gas and peat combines their carbon with oxygen to make carbon dioxide. This adds carbon to the air much faster than natural processes remove it.

Other Science topics

All of Junior Cycle Science