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Primary 3 Science Magnets Quiz

Free P3 Science Magnets quiz, Exam version, with questions, answers, and syllabus-aligned practice for Singapore students.

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Primary 3 Science From Real Exams Generated by DeepSeek V4 Flash Sample 02 Updated 2026-08-17

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Questions

Primary 3 Science Quiz - Magnets

Name: _________________________________________ Class: _________________________________________ Date: _________________________________________ Score: ________ / 30

Duration: 30 minutes Total Marks: 30

Instructions:

This quiz has 20 questions on the topic of Magnets.
Answer all questions in the spaces provided.
For multiple-choice questions, circle the correct option (A, B, C, or D).
For open-ended questions, write your answers clearly.
Marks are indicated at the end of each question.

Section A: Multiple-Choice Questions (10 questions x 2 marks = 20 marks)

Circle the correct answer for each question.

1. A student has a bar magnet and a steel paperclip. What will happen when the student brings the magnet close to the paperclip? A) The magnet will push the paperclip away. B) The paperclip will be attracted to the magnet. C) Nothing will happen. D) The paperclip will turn into a magnet by itself. [2 marks]

2. Which of the following objects would a magnet NOT attract? A) An iron nail B) A steel spoon C) A plastic ruler D) A paperclip [2 marks]

3. A bar magnet is hung freely by a string so it can swing. Which direction will the magnet finally point? A) East-West B) North-South C) It will spin continuously. D) It will stop pointing in a random direction. [2 marks]

4. Two magnets are placed near each other. The North pole of one magnet is brought near the North pole of another magnet. What will happen? A) They will attract each other. B) They will repel each other. C) Nothing will happen. D) They will stick together. [2 marks]

5. A student wants to pick up some iron filings that have spilled on the floor. Which tool would be the most useful? A) A plastic spoon B) A piece of cloth C) A magnet D) A wooden stick [2 marks]

6. Which of the following statements about the poles of a magnet is true? A) Every magnet has only one pole. B) The North pole of a magnet is always red. C) A magnet has two poles: a North pole and a South pole. D) The poles are in the middle of the magnet. [2 marks]

7. A student has a metal object. When a magnet is brought near it, the object is attracted to the magnet. What can the student conclude about the object? A) The object is definitely made of iron or steel. B) The object is made of plastic. C) The object is a magnet. D) The object is made of wood. [2 marks]

8. The picture below shows a magnet attracting a steel pin. What type of force is the magnet exerting on the pin?

Diagram for Q8 (P3 Science)

Generated diagram for Q8.

A) A pulling force (attraction) B) A pushing force (repulsion) C) A twisting force D) No force is being exerted [2 marks]

9. A student makes a magnet by stroking a steel nail with a bar magnet. Which of the following is true about the nail after it has been stroked many times? A) The nail will become a temporary magnet. B) The nail will become a permanent magnet. C) The nail will not become a magnet. D) The nail will lose its magnetism immediately. [2 marks]

10. Which of the following is NOT a use of a magnet in everyday life? A) Holding notes on a refrigerator door B) Closing a pencil case C) Separating iron and steel from other rubbish D) Making a plastic cup float in water [2 marks]

Section B: Fill-in-the-Blanks and Short Answer Questions (5 questions x 1 mark = 5 marks)

Write your answer in the space provided.

11. A magnet can attract objects made of _______________ or steel. [1 mark]

12. The two ends of a magnet are called _______________. [1 mark]

13. When the North pole of one magnet is brought near the South pole of another magnet, they will _______________ each other. [1 mark]

14. A freely suspended magnet will always point in the _______________ direction. [1 mark]

15. The force that a magnet exerts on magnetic materials is called _______________. [1 mark]

Section C: Open-Ended Questions (5 questions x 1 mark = 5 marks)

Write your answer in the space provided.

16. A student has a bar magnet and a piece of copper wire. Will the magnet attract the copper wire? Explain your answer. [1 mark]

17. A student brings the North pole of a magnet near the South pole of another magnet. What will happen? Explain your answer. [1 mark]

18. A student has a metal spoon. She is not sure if it is made of steel or aluminium. How can she use a magnet to find out? Explain your answer. [1 mark]

19. A student strokes a steel paperclip with a bar magnet 50 times. She then brings the paperclip near some iron filings. What will happen? Explain your answer. [1 mark]

20. Give one example of how a magnet is used in a school or at home. [1 mark]

End of Quiz

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Answers

Primary 3 Science Quiz - Magnets: Answer Key

Total Marks: 30

Section A: Multiple-Choice Questions (10 questions x 2 marks = 20 marks)

1. B) The paperclip will be attracted to the magnet. [2 marks]

2. C) A plastic ruler [2 marks]

3. B) North-South [2 marks]

4. B) They will repel each other. [2 marks]

5. C) A magnet [2 marks]

6. C) A magnet has two poles: a North pole and a South pole. [2 marks]

7. A) The object is definitely made of iron or steel. [2 marks]

8. A) A pulling force (attraction) [2 marks]

9. A) The nail will become a temporary magnet. [2 marks]

10. D) Making a plastic cup float in water [2 marks]

Section B: Fill-in-the-Blanks and Short Answer Questions (5 questions x 1 mark = 5 marks)

11. iron [1 mark]

12. poles [1 mark]

13. attract [1 mark]

14. North-South [1 mark]

15. magnetic force [1 mark]

Section C: Open-Ended Questions (5 questions x 1 mark = 5 marks)

16. No, the magnet will not attract the copper wire because copper is not a magnetic material. Magnets only attract materials like iron and steel. [1 mark]

17. The two magnets will attract each other because opposite poles (North and South) attract. [1 mark]

18. She can bring the magnet near the spoon. If the spoon is attracted to the magnet, it is made of steel. If it is not attracted, it is made of aluminium. [1 mark]

19. The paperclip will attract the iron filings because it has become a temporary magnet after being stroked with the bar magnet. [1 mark]

20. Accept any reasonable answer, e.g., using a magnet to hold a note on a refrigerator door, or using a magnet to close a pencil case. [1 mark]