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Primary 4 Science Practice Paper 4

Free P4 Science Practice Paper 4, HY3 AI version, with questions, answers, and syllabus-aligned practice for Singapore students.

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Primary 4 Science AI Generated Generated by Tencent HY3 Free Updated 2026-08-17

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TuitionGoWhere Practice Paper - Science Primary 4

TuitionGoWhere Practice Paper (AI) — Version 4

Subject: Science
Level: Primary 4
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.
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 in the spaces provided.
No past-year exam evidence was used; this paper is syllabus-first generated content.

Section A (10 marks)

Choose the correct answer. 1 mark each.

1. Which of the following is a living thing? A) A wooden chair
B) A mosquito
C) A plastic cup
D) A stone

2. Which of these is NOT a characteristic of living things? A) Needs food
B) Can move from place to place
C) Made of metal
D) Reproduces

3. A butterfly and a robot both have wings. Which statement is true? A) Both are living things
B) Only the butterfly is a living thing
C) Only the robot is a living thing
D) Neither is a living thing

4. Which group contains only non-living things? A) Cat, dog, fish
B) Rock, water, air
C) Tree, flower, grass
D) Bird, insect, worm

5. Which of the following shows that a plant is alive? A) It is green in colour
B) It grows and makes new plants
C) It is placed in a pot
D) It does not make sound

6. Which of these animals breathes with lungs? A) Fish
B) Frog (adult)
C) Tadpole
D) Mosquito larva

7. Which is a correct way to group living things? A) By colour only
B) By size only
C) By whether they are plants or animals
D) By whether they are soft or hard

8. A mushroom is usually grouped as a: A) Plant
B) Animal
C) Fungus
D) Non-living thing

9. Which of these is a non-living natural thing? A) Cloud
B) Cat
C) Bacteria
D) Leaf

10. Why do we group things into living and non-living? A) To make them look neat
B) To help us study their different characteristics
C) Because non-living things are better
D) Because living things cannot be seen

Section B (12 marks)

Answer in complete sentences. 2 marks each.

11. State two characteristics of living things.

12. Give one example of a living thing and one example of a non-living thing found in a classroom.

13. Explain why a car is not a living thing even though it can move.

14. Name two groups of living things and give one example for each.

15. A snail and a bicycle are both found outside. How can you tell the snail is living but the bicycle is non-living?

16. Why is it important to know the diversity of living things around us?

Section C (8 marks)

Structured questions.

17. Study the list of objects below:

Eagle
Table
Grass
Mobile phone
Earthworm
Sunlight

(a) Circle the living things from the list. (2 marks)

(b) State one reason why the other items are non-living. (1 mark)

18.

Diagram for Q18 (P4 Science)

Generated diagram for Q18.

(a) Which cards show living things? (1 mark)
(b) Which card shows a non-living natural object? (1 mark)

19. Fill in the table below. (2 marks)

Object	Living or Non-living?	Reason
Cow	__________	__________
Book	__________	__________

20. A pupil says, "All small things are non-living and all big things are living." Explain why this idea is wrong using two examples. (2 marks)

End of Practice Paper — Total Marks: 40

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Answers

TuitionGoWhere Practice Paper - Science Primary 4 (Answers)

Version 4 — Topic: Diversity
Syllabus-first generated content. No past-year exam evidence used.

Section A Answers (10 marks)

1. B (1 mark)
Teaching note: A mosquito is an insect and is a living thing. Wooden chair, plastic cup, and stone do not eat, grow, or reproduce, so they are non-living.

2. C (1 mark)
Teaching note: Living things are not "made of metal" — that is a property of some non-living objects. Living things need food, can move (most), and reproduce.

3. B (1 mark)
Teaching note: Only the butterfly is alive. A robot is built by humans and does not grow or reproduce; it is non-living.

4. B (1 mark)
Teaching note: Rock, water, and air are all non-living. The other groups contain plants or animals.

5. B (1 mark)
Teaching note: Growth and reproduction are signs of life. Colour or being in a pot does not prove a thing is alive.

6. B (1 mark)
Teaching note: Adult frogs breathe with lungs. Fish and tadpoles/larvae use gills or skin.

7. C (1 mark)
Teaching note: Scientists group living things as plants or animals (and other groups like fungi). Colour/size alone is not a science grouping.

8. C (1 mark)
Teaching note: Mushroom is a fungus, not a plant or animal. (P4 level: recognise fungus as a different group.)

9. A (1 mark)
Teaching note: Cloud is natural and non-living. Cat, bacteria, leaf are from living things.

10. B (1 mark)
Teaching note: Grouping helps us study characteristics. It is a science skill, not for neatness only.

Section B Answers (12 marks)

11. (2 marks — 1 mark per characteristic)
Accepted: needs food, grows, reproduces, responds to surroundings, breathes, excretes.
Teaching note: Living things share these features; name any two.

12. (2 marks — 1 mark each)
Living: e.g., student, plant, insect. Non-living: e.g., desk, book, eraser.
Teaching note: Must be from classroom context.

13. (2 marks)
Car can move but is not alive because it does not eat, grow, or reproduce (1 mark); it is made by humans and needs fuel from outside, not food (1 mark).
Common mistake: saying "it moves" is enough — movement alone does not mean living.

14. (2 marks — 1 mark per group+example)
e.g., Plants — rose; Animals — cat.
Teaching note: Group name + correct example.

15. (2 marks)
Snail is living because it grows and reproduces (1 mark); bicycle is non-living because it is made by humans and does not grow (1 mark).
Marking: contrast needed.

16. (2 marks)
We can protect them and their homes (1 mark); we can learn how they help us (e.g., plants give oxygen) (1 mark).
Teaching note: Diversity means many kinds of life; knowing them helps responsibility.

Section C Answers (8 marks)

17. (3 marks)
(a) Living: Eagle, Grass, Earthworm (2 marks — all three needed; deduct 1 mark if one missing)
(b) Non-living because they do not eat/grow/reproduce (1 mark; e.g., table, phone, sunlight are objects or energy)
Teaching note: Sunlight is non-living natural energy.

18. (2 marks)
(a) A (cat) and C (rose) (1 mark)
(b) D (rock) (1 mark)
Image note: Card A cat = animal living; C rose = plant living; D rock = non-living natural.

19. (2 marks)
Cow — Living — eats, grows, reproduces (1 mark)
Book — Non-living — made by humans, no life processes (1 mark)
Teaching note: Table format acceptable with clear reason.

20. (2 marks)
Wrong because a small ant is living and a big mountain is non-living (1 mark for two correct examples); size does not decide life (1 mark).
Common mistake: only one example given = 1 mark max.

Total Marks: 40 — matches paper.