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CXC · CSEC · Integrated Science

Energy and Work
Practice Questions

20 CXC CSEC Integrated Science questions on Energy and Work, each with instant feedback and a full examiner-style mark scheme.

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Try 2 sample questions on Energy and Work

Question 1 · 1 mark · Difficulty 1/3

Which of the following is the SI unit of energy?

  1. Watt
  2. Newton
  3. Joule
  4. Pascal
Show answer & explanation
✓ Answer: CJoule
Award 1 mark for identifying the joule as the SI unit of energy. A is incorrect — watt is the unit of power. B is incorrect — newton is the unit of force. D is incorrect — pascal is the unit of pressure.
Question 2 · 1 mark · Difficulty 2/3

A worker at a sugar cane factory in Trinidad lifts a 50 kg sack of raw sugar to a height of 2 m. What is the work done against gravity? (Take g = 10 m/s²)

  1. 100 J
  2. 250 J
  3. 500 J
  4. 1000 J
Show answer & explanation
✓ Answer: D1000 J
Award 1 mark for correct calculation using Work = Force × distance = mgh = 50 × 10 × 2 = 1000 J. A is incorrect — uses only mass × distance without g. B is incorrect — arithmetic error. C is incorrect — confuses formula with ½mv².
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20 questions · 25 min · free

CXC CSEC Integrated Science: Energy and Work FAQ

How many CXC CSEC Integrated Science questions on Energy and Work are there on Kramizo?
Kramizo currently has 20 exam-board-aligned practice questions on Energy and Work for CXC CSEC Integrated Science, with new questions added every week. Each question gives you instant feedback and a full examiner-style mark scheme that tells you exactly what would earn marks on a real CXC paper. The questions span the full difficulty range — from straightforward recall (level 1) right up to multi-step reasoning and evaluation (level 3) — so the bank works for first-pass revision and final exam-week stress testing alike.
Is Kramizo free for CXC CSEC students preparing for Integrated Science?
Yes — completely free. Every student gets 45 questions a day on the free plan, with no card required and no trial countdown. That free quota works across every subject and every topic in our bank, so you can mix Energy and Work practice with other Integrated Science topics or even switch to a totally different CXC subject without paying anything. Kramizo's optional Pro plan removes the daily cap and adds detailed progress analytics, but the free tier is the real product — used by thousands of GCSE, IGCSE and CSEC students.
Are the Energy and Work questions aligned to the official CXC CSEC Integrated Science syllabus?
Every question is written against the published CXC CSEC Integrated Science specification, including the exact command words (state, describe, explain, calculate, evaluate, etc.), mark allocations, and difficulty tier you'd see on a real CXC paper. Explanations are written in the style of official examiner mark schemes — they tell you what is being awarded marks and why distractors are wrong, not just whether you got it right. The bank is continually refined to match the latest syllabus updates from CXC.
How is Energy and Work typically tested on CXC CSEC Integrated Science papers?
Energy and Work appears across multiple question types on real CXC CSEC Integrated Science papers — most commonly as multiple-choice questions in the objective section, structured short-answer questions in the main paper, and occasionally as part of an extended response. Kramizo's practice bank reflects that mix: 4-option MCQs, true/false statements, fill-in-the-blank key terms, multi-select questions, and ordering questions. Working through the bank gives you exposure to every question style examiners actually use.

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