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Primary 3 Science Practice Paper 5

Free P3 Science Practice Paper 5, HY3 AI version, with questions, answers, and syllabus-aligned practice for Singapore students.

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Primary 3 Science AI Generated Generated by Tencent HY3 Free Updated 2026-08-17

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Questions

TuitionGoWhere Practice Paper - Science Primary 3

TuitionGoWhere Practice Paper (AI) — Version 5

Subject: Science
Level: Primary 3
Paper: Practice Paper (Topic: Diversity)
Duration: 45 minutes
Total Marks: 40
Name: ______________________
Class: _________
Date: ___________

Instructions:

This practice paper has 20 questions on the topic of Diversity (living/non-living things and materials).
Section A: 10 multiple-choice questions (1 mark each).
Section B: 6 short-answer questions (2 marks each).
Section C: 4 structured questions (total 8 marks).
Answer all questions. Use a pencil to write your answers.
This paper is syllabus-first generated content and is NOT derived from past-year exam papers.

Section A (10 marks)

Choose the correct answer for each question.

1. Which of the following is a living thing?
(a) A toy robot
(b) A fern plant
(c) A wooden chair
(d) A glass cup

2. Which group does a parrot belong to?
(a) Fish
(b) Mammal
(c) Bird
(d) Insect

3. A mushroom is best classified as a type of ________.
(a) Plant
(b) Bacteria
(c) Fungi
(d) Animal

4. Which material is most suitable for a raincoat because it does not absorb water?
(a) Cotton fabric
(b) Plastic
(c) Paper
(d) Sponge

5. Which of these is a non-living thing?
(a) A caterpillar
(b) A cloud
(c) A goldfish
(d) A rose bush

6. Bacteria are ________.
(a) Non-living things
(b) Living microorganisms
(c) A type of plant
(d) A type of rock

7. Which animal has scales and breathes with gills?
(a) Frog
(b) Eagle
(c) Fish
(d) Monkey

8. Which material would be best for a window so we can see through it?
(a) Wood
(b) Metal
(c) Glass
(d) Rubber

9. A teddy bear can be hugged and looks like an animal, but it is ________.
(a) Living because it is soft
(b) Non-living because it cannot grow or reproduce
(c) A mammal
(d) A fungus

10. Which of the following is a natural material?
(a) Plastic
(b) Nylon
(c) Wood
(d) Glass

Section B (12 marks)

Answer each question in the space provided.

11. State two characteristics of living things. (2 marks)

12. Classify the following into living and non-living: ant, book, mango tree, eraser. (2 marks)
Living: __________________________________________________
Non-living: ______________________________________________

13. Name one property of rubber that makes it useful for shoe soles. (2 marks)

14. Explain why a metal pan is often used for cooking. (2 marks)

15. Give one example of a fungus and say if it is living or non-living. (2 marks)

16. Why is plastic commonly used to make water bottles? (2 marks)

Section C (8 marks)

Answer the questions below.

17. At a Singapore park, Siti saw a lizard, a stone, a hibiscus flower, and a butterfly.
(a) List the living things she saw. (2 marks)

(b) For one living thing, state one characteristic it shows. (1 mark)

18. A class tested materials for a waterproof bag. They used cloth, plastic, and rubber.
(a) Which material would keep water out best? (1 mark)

(b) Give a reason for your answer. (1 mark)

19. Look at the picture of animals below.

Diagram for Q19 (P3 Science)

Generated diagram for Q19.

(a) Which animal (A, B, C or D) is an insect? (1 mark)

(b) Which animal breathes with gills? (1 mark)

20. Explain how you can tell that a mould growing on bread is a living thing. (2 marks)

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Answers

TuitionGoWhere Practice Paper — Science Primary 3 (Version 5) Answer Key

Total Marks: 40
Topic: Diversity (syllabus-first, not past-year derived)

Section A (10 marks)

1. (b) A fern plant
Teaching note: A fern is a plant and shows living characteristics (grow, reproduce). Toys, chairs, and cups are made by humans and cannot grow or reproduce.
Marks: 1

2. (c) Bird
Teaching note: Parrots have feathers and wings and belong to the bird group. Fish live in water with gills; mammals have fur and feed milk; insects have six legs.
Marks: 1

3. (c) Fungi
Teaching note: Mushrooms are fungi, not plants. They do not make food like plants and belong to their own group.
Marks: 1

4. (b) Plastic
Teaching note: Plastic is waterproof (does not absorb water), so it keeps the wearer dry. Cotton, paper, sponge absorb water.
Marks: 1

5. (b) A cloud
Teaching note: A cloud is water droplets in the sky, non-living. Caterpillar, goldfish, rose bush are living.
Marks: 1

6. (b) Living microorganisms
Teaching note: Bacteria are tiny living things. They are not plants and not non-living.
Marks: 1

7. (c) Fish
Teaching note: Fish have scales and use gills to breathe underwater. Frog is amphibian; eagle bird; monkey mammal.
Marks: 1

8. (c) Glass
Teaching note: Glass lets light pass through (transparent) so we can see outside. Wood, metal, rubber block light.
Marks: 1

9. (b) Non-living because it cannot grow or reproduce
Teaching note: Looking like an animal does not make it living. Teddy bears are made of fabric and cannot carry out life processes.
Marks: 1

10. (c) Wood
Teaching note: Wood comes from trees (natural). Plastic, nylon, glass are man-made.
Marks: 1

Section B (12 marks)

11. (2 marks)
Accept any two from: need air / need food / need water / can grow / can reproduce / can respond to changes / can move by itself.
Teaching note: Living things share these features; non-living things do not.
Marking: 1 mark per correct characteristic.

12. (2 marks)
Living: ant, mango tree
Non-living: book, eraser
Teaching note: Ant and tree are living (grow, reproduce). Book and eraser are objects made by people.
Marking: 1 mark for living list, 1 mark for non-living list.

13. (2 marks)
Example: Rubber is flexible (can bend) and waterproof.
Teaching note: Flexible soles help shoes bend when walking; waterproof keeps feet dry.
Marking: 1 mark property, 1 mark link to use (or just 2 for clear property with relevance).

14. (2 marks)
Metal is strong and can conduct heat well, so it is good for cooking pans.
Teaching note: Strength stops pan breaking; heat conduction cooks food evenly.
Marking: 1 mark for property, 1 mark for cooking use.

15. (2 marks)
Example: Mushroom (or mould/yeast) — it is living (fungi).
Teaching note: Fungi are living but not plants.
Marking: 1 mark example, 1 mark living/non-living correct.

16. (2 marks)
Plastic is light, waterproof, and does not break easily, so it is good for water bottles.
Teaching note: Waterproof keeps water in; light easy to carry.
Marking: 1 mark property, 1 mark reason.

Section C (8 marks)

17. (3 marks total)
(a) Living: lizard, hibiscus flower, butterfly (2 marks: 1 mark each correct group, all three needed)
(b) Example: Lizard can move by itself. (1 mark)
Teaching note: Stone is non-living. Living things shown are animals and plant.

18. (2 marks total)
(a) Plastic (1 mark)
(b) Plastic does not absorb water (waterproof). (1 mark)
Teaching note: Cloth and rubber may let or absorb some water; plastic best blocks water.

19. (2 marks total)
(a) D (beetle) (1 mark)
(b) A (fish) (1 mark)
Teaching note: Beetle has six legs and shell = insect. Fish has gills and scales. Image must show labels A–D with coverings.

20. (2 marks)
Mould is living because it can grow and reproduce (new mould spots appear).
Teaching note: Growth and reproduction are signs of life. Common mistake: thinking mould is non-living because it does not move like animals.
Marking: 1 mark growth, 1 mark reproduce / example.