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Junior Cycle Engineering: Renewable energy

How often Renewable energy comes up on the Engineering papers, every year it was asked, and questions to try.

CL Asked on 5 of the last 5 Common Level papers, most recently in 2026. banker

Renewable energy, Common Level(6 marks)

Quick ones on Renewable energy.

(a)Which of these is a renewable energy source?
  1. Natural gas
  2. Biomass
  3. Peat
(b)What energy change takes place in a solar (photovoltaic) panel?
  1. Electrical energy to light energy
  2. Heat energy to chemical energy
  3. Light energy to electrical energy
(c)What energy change takes place in a wind turbine?
  1. Kinetic energy to electrical energy
  2. Chemical energy to heat energy
  3. Electrical energy to kinetic energy
Show the answers

(a) Biomass

(b) Light energy to electrical energy

(c) Kinetic energy to electrical energy

Your turn: Common Level questions on Renewable energy.

Common Level

Asked on 5 of the last 5 Common Level papers, most recently in 2026. banker

Every paper, year by year

YearWhere it came up
2026Q1a
2025Q4c, Q4e
2024Q4a
2023Q3a, Q3e
2022Q3c

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

More Renewable energy questions

Renewable energy, 3 marks

Why does a home solar system often include a battery?

  1. To turn the panels to face the sun
  2. To change light straight into heat
  3. To store energy for use when it is dark
Show the answer

To store energy for use when it is dark

Solar panels only generate in daylight. A battery stores extra electricity as chemical energy to use in the evening, so less has to be bought from the grid.

Renewable energy, 3 marks

Why is renewable energy better for the climate than burning fossil fuels?

  1. It works just as well in all weather
  2. It gives off little or no carbon dioxide
  3. It is always cheaper to install
Show the answer

It gives off little or no carbon dioxide

Burning coal, oil, gas and peat releases carbon dioxide, a greenhouse gas that causes global warming. Wind, solar and hydro generate with almost no emissions and will not run out.

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