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Junior Cycle · Junior Cycle Engineering

Junior Cycle Engineering: Composites & smart materials

How often Composites & smart materials comes up on the Engineering papers, every year it was asked, and questions to try.

CL Asked on 3 of the last 5 Common Level papers, most recently in 2025. most years

Composites & smart materials, Common Level(8 marks)

Quick ones on Composites & smart materials.

(a)What is a composite material?
  1. A single pure metal that has been heat treated
  2. Two or more materials combined to work better
  3. A plastic that changes colour when it is heated
(b)Why is Kevlar used in protective vests and cut-resistant gloves?
  1. Soft and melts at a low temperature
  2. Heavy, rigid and easy to shatter
  3. Very strong, light and hard to cut
(c)Why is carbon fibre used for racing bike frames?
  1. It is stiff and strong but very light
  2. It is heavy, which keeps the bike stable
  3. It is cheap and easy to recycle at home
Show the answers

(a) Two or more materials combined to work better

(b) Very strong, light and hard to cut

(c) It is stiff and strong but very light

Your turn: Common Level questions on Composites & smart materials.

Common Level

Asked on 3 of the last 5 Common Level papers, most recently in 2025. most years

Every paper, year by year

YearWhere it came up
2026Not asked
2025Q1c, Q2d
2024Q1b
2023Not asked
2022Q2e, Q4a, Q4b

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

Other Engineering topics

All of Junior Cycle Engineering