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CIE · IGCSE · Co-ordinated Science (Double Award)

Free CIE IGCSE Co-ordinated Science (Double Award)
Practice Paper

8 mixed-difficulty practice questions in the style of real CIE IGCSE papers — answers, mark-scheme-style explanations, and the official exam structure all on one page.

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What the real CIE IGCSE Co-ordinated Science (Double Award) paper looks like

Paper 1 (Multiple Choice)
40 multiple-choice questions, 1 mark each. 45 minutes. Tests breadth of knowledge.
Paper 2 (Core) / Paper 4 (Extended)
Structured written paper. 1 hour 30 minutes (Core) or 1 hour 45 minutes (Extended). Tests depth of understanding and application.
Paper 6 (Alternative to Practical)
Written paper assessing practical skills for candidates without lab access. 1 hour. Worth ~20% of the total.
Total exam time: ~3 hours, depending on tier (Core vs Extended).
Grading: Grades: A* (highest) to G (lowest), with U (ungraded). Most universities require C or above.

Mini practice paper: 8 questions

Mixed-difficulty questions from across the Co-ordinated Science (Double Award) syllabus. Tap "Show answer" after each to check yourself.

Q1 · Difficulty 1/3

Which statement correctly defines pressure?

  1. A: Pressure is the total force acting on a surface.
  2. D: Pressure is the weight of an object divided by its volume.
  3. C: Pressure is the area over which a force acts.
  4. B: Pressure is the force acting per unit area on a surface.
Show answer & explanation
✓ Answer: D — B: Pressure is the force acting per unit area on a surface.
Pressure is defined as the force acting normally (perpendicularly) per unit area on a surface, expressed as p = F ÷ A and measured in Pascals (Pa). Option A confuses pressure with force. Option C describes area, not pressure. Option D describes density (mass per unit volume), not pressure.
Q2 · Difficulty 1/3

A food chain reads: grass → rabbit → fox. In this food chain, the rabbit is best described as which of the following?

  1. A producer that makes its own food using sunlight
  2. A secondary consumer that feeds on a primary consumer
  3. A decomposer that breaks down dead organic matter
  4. A primary consumer that feeds on a producer
Show answer & explanation
✓ Answer: D — A primary consumer that feeds on a producer
The rabbit feeds directly on grass, which is the producer, making the rabbit a primary consumer. Option D is incorrect because the rabbit cannot photosynthesise. Option B is incorrect because secondary consumers feed on primary consumers, not producers. Option C is incorrect because decomposers break down dead material and are not part of a food chain in this way.
Q3 · Difficulty 1/3

How many moles are present in 11 g of carbon dioxide, CO₂? (Relative atomic masses: C = 12, O = 16)

  1. 0.50 mol
  2. 0.25 mol
  3. 0.44 mol
  4. 4.00 mol
Show answer & explanation
✓ Answer: B — 0.25 mol
Molar mass of CO₂ = 12 + (2 × 16) = 44 g/mol. Moles = mass ÷ molar mass = 11 ÷ 44 = 0.25 mol. Option A uses a molar mass of 22, confusing CO₂ with a molar volume value. Option B inverts the calculation (44 ÷ 11). Option D confuses the number of grams with the number of moles and divides incorrectly.
Q4 · Difficulty 1/3

A student tests a food sample with Benedict's reagent and observes a brick-red precipitate after heating. Which substance is present in the sample?

  1. A non-reducing sugar such as sucrose
  2. Protein only
  3. Starch only
  4. A reducing sugar such as glucose
Show answer & explanation
✓ Answer: D — A reducing sugar such as glucose
Benedict's reagent turns brick-red (or orange/yellow) when a reducing sugar such as glucose or maltose is present; the Cu²⁺ ions are reduced to Cu₂O. Sucrose is a non-reducing sugar and gives a negative Benedict's result unless hydrolysed first. Starch is tested with iodine solution. Proteins are detected using Biuret reagent.
Q5 · Difficulty 1/3

A 2.0 kg object is lifted vertically by 3.0 m on Earth (g = 10 N/kg). What is the gain in gravitational potential energy of the object?

  1. 60 J
  2. 600 J
  3. 15 J
  4. 6.0 J
Show answer & explanation
✓ Answer: A — 60 J
GPE = mgh = 2.0 kg × 10 N/kg × 3.0 m = 60 J. Option A omits g entirely (m × h only). Option B multiplies mass by height then divides by g. Option D multiplies all three values and then multiplies by 10 again.
Q6 · Difficulty 1/3

A box is pushed 5.0 m along a horizontal floor by a horizontal force of 20 N. How much work is done on the box?

  1. 25 J
  2. 100 J
  3. 200 J
  4. 4.0 J
Show answer & explanation
✓ Answer: B — 100 J
Work done = force × distance = 20 N × 5.0 m = 100 J. Option A divides instead of multiplies. Option B adds the values. Option D doubles the correct answer, confusing the formula with W = 2Fd.
Q7 · Difficulty 1/3

The female gamete in humans is the:

  1. sperm
  2. egg (ovum)
  3. zygote
  4. fetus
Show answer & explanation
✓ Answer: B — egg (ovum)
The ovum is the female gamete.
Q8 · Difficulty 1/3

Where in the digestive system is bile stored before it is released into the duodenum?

  1. In the stomach, mixed with hydrochloric acid
  2. In the gall bladder, until fat is detected
  3. In the pancreas, alongside digestive enzymes
  4. In the liver, where it is also produced
Show answer & explanation
✓ Answer: B — In the gall bladder, until fat is detected
Bile is produced in the liver but stored in the gall bladder, from which it is released into the duodenum when fatty food is detected. The liver produces bile but does not store it. The pancreas stores and releases digestive enzymes, not bile. The stomach contains hydrochloric acid and is not a bile storage site.
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CIE IGCSE Co-ordinated Science (Double Award) FAQ

What does the CIE IGCSE Co-ordinated Science (Double Award) exam look like?
The CIE IGCSE Co-ordinated Science (Double Award) exam is structured across 3 components. Paper 1 (Multiple Choice): 40 multiple-choice questions, 1 mark each. 45 minutes. Tests breadth of knowledge. Paper 2 (Core) / Paper 4 (Extended): Structured written paper. 1 hour 30 minutes (Core) or 1 hour 45 minutes (Extended). Tests depth of understanding and application. Paper 6 (Alternative to Practical): Written paper assessing practical skills for candidates without lab access. 1 hour. Worth ~20% of the total. Total exam time: ~3 hours, depending on tier (Core vs Extended).
Can I download a free CIE IGCSE Co-ordinated Science (Double Award) past paper?
Real CIE past papers are published directly by CIE on their official website. Kramizo doesn't redistribute copyrighted past papers, but we do generate free AI-written practice papers in the exact same style — same command words, same difficulty tier, same mark conventions. Use this practice paper as warm-up, then time yourself on official past papers before exam day.
How is CIE IGCSE Co-ordinated Science (Double Award) graded?
Grades: A* (highest) to G (lowest), with U (ungraded). Most universities require C or above. Kramizo's practice questions are tagged with difficulty 1-3 mapping roughly to the lower, middle, and top grade boundaries you'll encounter in the real exam.