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Primary 4 Science Practice Paper 1

Free P4 Science Practice Paper 1, 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 2026-07-10

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TuitionGoWhere Practice Paper - Science Primary 4

TuitionGoWhere Practice Paper (AI) — Version 1 of 5

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 as shown).
Write your answers clearly in the spaces provided.
Marks for each question are shown in brackets [ ].

Section A (10 marks)

Choose the correct answer and write A, B, C, or D in the box provided.

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

2. Which of these is NOT a characteristic of a living thing? [1]
A) Needs food
B) Can move from place to place
C) Made of metal
D) Reproduces

3. Which group does a lizard belong to? [1]
A) Plant
B) Animal
C) Non-living thing
D) Fungus

4. Which of the following is a non-living thing found in nature? [1]
A) A cloud
B) A dog
C) A rose
D) A mosquito

5. Living things can be grouped by their ________. [1]
A) Colour only
B) Characteristics
C) Size only
D) Smell

6. Which of these animals breathes with lungs? [1]
A) Fish
B) Earthworm
C) Cat
D) Amoeba

7. Which plant part is mainly responsible for making food? [1]
A) Root
B) Stem
C) Leaf
D) Flower

8. Which of the following is a characteristic of all living things? [1]
A) Can fly
B) Grows and develops
C) Is green
D) Lives in water

9. Which of these is a way to group living things? [1]
A) By whether they have backbones or not
B) By the colour of their shoes
C) By the brand of their food
D) By the time they sleep

10. A mushroom is usually classified as a ________. [1]
A) Plant
B) Animal
C) Fungus
D) Non-living thing

Section B (12 marks)

Answer each question in the space provided. Each question is worth 2 marks.

11. Name two characteristics that show a cat is a living thing. [2]

12. Give one example of a living thing and one example of a non-living thing found in a classroom. [2]

13. State one way plants are different from animals. [2]

14. Why do we group living things into categories? [2]

15. Name two groups of animals based on their body covering. [2]

16. A boy says, "A car is alive because it moves." Explain why he is wrong. [2]

Section C (8 marks)

Answer the structured questions below.

17. Study the list of objects below. [3]

Mango tree
Eraser
Goldfish
Notebook
Grass
Balloon

(a) Circle the living things from the list. [1]
(b) Put a tick (✓) for non-living things. [1]
(c) Give one reason why the mango tree is living. [1]

18. Fill in the table below to show how we can group things. [2]

Group	Example 1	Example 2
Living (animal)	_________	_________
Living (plant)	_________	_________

19. Look at the description of two animals. [2]

Animal X: has feathers, lays eggs, has a beak.
Animal Y: has scales, lives in water, breathes with gills.

(a) Name the group of Animal X. [1]
(b) Name the group of Animal Y. [1]

20. A student collected the following from a park: a leaf, a beetle, a paper bag, and a snail. [1]
Which two are non-living? _______________________

End of Paper </stage5_exam_answers_md>

<stage5_exam_answers_md>

TuitionGoWhere Practice Paper Answer Key — Science Primary 4 (Version 1)

Topic: Diversity
Total Marks: 40

Section A (10 marks)

1. C [1]
Teaching note: A mango tree is a living thing because it grows, needs water, and can make its own food. Wood, plastic, and stone do not show life processes.

2. C [1]
Teaching note: Living things are not made of metal as a defining trait. Needs food and reproduces are life characteristics; some living things (like plants) do not move from place to place, but movement is not the best opposite here — "made of metal" is clearly non-living.

3. B [1]
Teaching note: A lizard is an animal. It breathes air, moves, and eats other small animals.

4. A [1]
Teaching note: A cloud is non-living though found in nature. Dog, rose, mosquito are living.

5. B [1]
Teaching note: Scientists group living things by characteristics such as body structure and how they get food.

6. C [1]
Teaching note: A cat is a mammal and breathes with lungs. Fish use gills; earthworms breathe through skin; amoeba is microscopic and not lung-breathing.

7. C [1]
Teaching note: Leaves contain chlorophyll and make food by photosynthesis (P4 allowed concept of leaf function).

8. B [1]
Teaching note: All living things grow and develop. Not all can fly, are green, or live in water.

9. A [1]
Teaching note: Vertebrates (backbone) vs invertebrates is a real grouping method.

10. C [1]
Teaching note: Mushroom is a fungus, not plant or animal.

Section B (12 marks)

11. [2] Mark breakdown: 1 mark per correct characteristic.
Answers: e.g., "breathes", "eats food", "grows", "reproduces".
Teaching note: Living things carry out life processes. Any two valid traits score.

12. [2] 1 mark each.
Living: e.g., student, class plant. Non-living: e.g., desk, book, eraser.
Teaching note: Classroom living things are usually people or plants; non-living are objects.

13. [2] 1 mark for statement + 1 for elaboration.
e.g., "Plants make their own food using leaves, while animals eat other things."
Teaching note: This is a key P4 diversity difference.

14. [2] 1 mark purpose + 1 mark example.
e.g., "To study them easily. We can group by where they live or body features."
Teaching note: Grouping helps organisation and study.

15. [2] 1 mark per group.
e.g., "Birds (feathers)", "Fish (scales)" or "Mammals (fur)", "Reptiles (scales)".
Teaching note: Body covering is a classification feature.

16. [2] 1 mark: car is non-living; 1 mark: movement alone not enough.
Answer: "A car is non-living because it does not grow, reproduce, or need food. Moving is not proof of life."
Teaching note: Common mistake — thinking movement = alive.

Section C (8 marks)

17. [3]
(a) [1] Living: Mango tree, Goldfish, Grass.
(b) [1] Non-living: Eraser, Notebook, Balloon.
(c) [1] Reason: "It grows and makes food."
Teaching note: Use characteristics to decide.

18. [2] 1 mark per row (two examples each).
Sample:
Living (animal): cat, fish
Living (plant): rose, fern
Teaching note: Table must show correct group examples.

19. [2]
(a) [1] Bird.
(b) [1] Fish.
Teaching note: Feathers/beak = bird; scales/gills = fish.

20. [1]
Answer: paper bag (and note: leaf, beetle, snail are living).
Teaching note: Only paper bag is clearly non-living from list; if "beetle" and "snail" living, non-living = paper bag only. (Accept "paper bag" as the single non-living; the question asks two but only one is non-living — flag: student should identify only paper bag as non-living, the others are living, so the premise of two is incorrect; mark as 1 for paper bag.)

End of Answer Key </stage5_exam_answers_md>

Answers