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P5 Science 2025 — ACS Primary SA2 Semestral Assessment 2
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| Level | P5 (Primary 5) |
| Subject | Science |
| Year | 2025 |
| School | ACS Primary |
| Paper type | SA2 Semestral Assessment 2 |
| Total questions | 41 |
| Question format | 27 multiple-choice, 14 open-ended |
| Booklets | Booklet A (MCQ) · Booklet B (open-ended) |
| Original paper | 37-page PDF |
This is the 2025 ACS Primary P5 Science SA2 paper, a 41-question exam made up of 27 multiple-choice questions and 14 open-ended questions. On ChatPSLE you can attempt every question online, get it marked instantly, and ask an AI tutor to explain any answer step by step — instead of just downloading a static PDF.
Topics covered
DiversityCyclesSystemsInteractionsEnergy
Sample questions from this paper
The table shows the characteristics of four different living things, A, B, C and D. A tick (✓) indicates that the living thing has the characteristic. CharacteristicABCDIt makes its own food.✓It reproduces from spores.✓✓It can only be seen using a microscope.✓ Based on the table, which of the living things, A, B, C…
Aini heated a beaker of ice which took 10 minutes to melt. She then continued heating the water and it started boiling after another 20 minutes. Which graph shows the temperature change in the beaker?
The table shows some substances and their boiling points. SubstanceBoiling point (°C)X130Y72Z55 Each substance is heated in a beaker of boiling water. When the water starts to boil, which substance(s) is/are most likely to remain in the liquid state?
- X only
- Y only
- X and Y only
- X, Y and Z
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Frequently asked questions
- Is the 2025 ACS Primary Science paper free?
- Yes. You can attempt this P5 Science paper online for free on ChatPSLE. A premium plan adds step-by-step worked explanations and unlimited AI tutoring.
- How many questions are in this Science paper?
- It has 41 questions in total — 27 multiple-choice and 14 open-ended.
- Can I get answers and explanations?
- Yes. ChatPSLE marks your answers instantly and its AI tutor explains the reasoning for each Science question, worked out step by step.