Ten-Year Series · PSLE 2017
PSLE Science 2017 Answers
The answer key for the PSLE Science 2017 paper (Paper 1): 39 questions, 28 with a free final answer, plus the topic and marks for each. Find the question number in your TYS book and tick it off.
We publish answers only. The questions and diagrams stay in your printed Ten-Year Series (TYS) book, so keep it open beside this page (“see the diagram in your book”).
MCQ answers are option numbers, e.g. (3).
Paper 1
39 questions · 28 free final answers · 95 marks listed
| Q | Answer | Topic / section | Marks |
|---|---|---|---|
| Q1 | (1) | Systems · Human body systemsMCQ | 2 |
| Q2 | (2) | Diversity · Classifying living thingsMCQ | 2 |
| Q3 | (1) | Diversity · Classifying living thingsMCQ | 2 |
| Q4 | (3) | Interactions · Food chainsMCQ | 2 |
| Q5 | (2) | Diversity · Classifying living thingsMCQ | 2 |
| Q6 | (3) | Interactions · Food chainsMCQ | 2 |
| Q7 | (2) | Systems · Plant vs animal cellsMCQ | 2 |
| Q8 | (3) | Cycles · Plant reproductionMCQ | 2 |
| Q9 | (2) | Interactions · Environmental pollutionMCQ | 2 |
| Q10 | (2) | Cycles · Life cycle of a plantMCQ | 2 |
| Q11 | (3) | Cycles · Plant reproductionMCQ | 2 |
| Q12 | (2) | Interactions · Living things and environmentMCQ | 2 |
| Q13 | (2) | Interactions · Living things and environmentMCQ | 2 |
| Q14 | (3) | Cycles · Life cycles of animalsMCQ | 2 |
| Q15 | (4) | Diversity · MatterMCQ | 2 |
| Q16 | (4) | Cycles · Changes of stateMCQ | 2 |
| Q17 | (1) | Diversity · MaterialsMCQ | 2 |
| Q18 | (4) | Cycles · Changes of stateMCQ | 2 |
| Q19 | (2) | Energy · Forms of energyMCQ | 2 |
| Q20 | (3) | Cycles · Water cycleMCQ | 2 |
| Q21 | (2) | Interactions · MagnetsMCQ | 2 |
| Q22 | (4) | Energy · Heat and temperatureMCQ | 2 |
| Q23 | (3) | Systems · Series vs parallel circuitsMCQ | 2 |
| Q24 | (4) | Energy · Heat and temperatureMCQ | 2 |
| Q25 | (3) | Interactions · MagnetsMCQ | 2 |
| Q26 | (4) | Energy · Forms of energyMCQ | 2 |
| Q27 | (3) | Energy · Light and shadowMCQ | 2 |
| Q28 | (3) | Interactions · ForcesMCQ | 2 |
| Q29 | Model answer in worked solution | Cycles · Life cycles of animalsOpen-ended | 4 |
| Q30 | Model answer in worked solution | Interactions · Living things and environmentOpen-ended | 4 |
| Q31 | Model answer in worked solution | Interactions · Food chainsOpen-ended | 2 |
| Q32 | Model answer in worked solution | Cycles · Plant reproductionOpen-ended | 4 |
| Q33 | Model answer in worked solution | Systems · Heart and circulationOpen-ended | 3 |
| Q34 | Model answer in worked solution | Systems · Plant transport xylem & phloemOpen-ended | 5 |
| Q35 | Model answer in worked solution | Energy · Heat and temperatureOpen-ended | 3 |
| Q36 | Model answer in worked solution | Cycles · Changes of stateOpen-ended | 3 |
| Q37 | Model answer in worked solution | Interactions · MagnetsOpen-ended | 3 |
| Q39 | Model answer in worked solution | Interactions · ForcesOpen-ended | 4 |
| Q40 | Model answer in worked solution | Systems · Conductors vs insulators (electrical)Open-ended | 4 |
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Step-by-step worked solutions for every Science question, written the way PSLE markers award method marks, plus model answers for open-ended questions. We are adding them newest years first (2025 back to 2021), checked against the answer key on this page.
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