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Primary 3 Science Magnets Quiz

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

These static practice materials are generated from the site's syllabus and paper-generation workflow, with source and model context shown so students and parents can evaluate the material before use.

Primary 3 Science AI Generated Generated by Claude Sonnet 4 Updated 2026-08-17

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Questions

TuitionGoWhere Primary School (AI)

Primary 3 Science - Magnets Quiz 01

Name: _________________________ Date: _____________

Class: _________________________ Score: ______ / 15

Section A: Multiple Choice Questions (1 mark each)

1. Which of the following materials can be attracted by a magnet?

A) Wood
B) Plastic
C) Iron
D) Glass

2. The two ends of a bar magnet are called:

A) Top and bottom
B) North pole and South pole
C) Left and right
D) Front and back

3. What happens when two North poles of magnets are brought close together?

A) They attract
B) They repel
C) Nothing happens
D) They stick together

4. Which part of a magnet is the strongest?

A) The middle
B) The poles (ends)
C) All parts are equally strong
D) The top surface

5. A compass needle points North because:

A) It is made of plastic
B) It contains a magnet
C) It is very light
D) It is painted red

Section B: Short Answer Questions (2 marks each)

6. Name two objects in your home that use magnets.

Answer: _____________________________________________

7. What does it mean when we say magnets have "poles"?

Answer: ___________________________________________________

8. Fill in the blanks: Like poles _____________ and unlike poles _____________.

Answer: _____________________________________________

9. Give two examples of magnetic materials.

Answer: _____________________________________________

10. Can a magnet attract a steel paper clip through a piece of paper? Explain.

Answer: ___________________________________________________

Section C: Application Questions (2 marks each)

11. Siti dropped some pins into a glass of water. How can she use a magnet to get the pins out without putting her hand in the water?

Answer: ___________________________________________________

12. Ali has two bar magnets but the poles are not labelled. How can he find out which end is the North pole?

Answer: ___________________________________________________

13. Why can't a magnet attract an aluminium can?

Answer: ___________________________________________________

14. A toy car moves when a magnet is placed near it. What must be inside the toy car?

Answer: ___________________________________________________

15. Look at the diagram description: Bar magnet A has its North pole facing the South pole of Bar magnet B. Will they attract or repel? What will happen if we flip magnet B around?

Answer: ___________________________________________________

End of Quiz

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Answers

TuitionGoWhere Primary School (AI)

Primary 3 Science - Magnets Quiz 01 - Answer Key

Section A: Multiple Choice Questions (1 mark each)

1. C) Iron
Iron is a magnetic material that can be attracted by magnets. Wood, plastic, and glass are non-magnetic.

2. B) North pole and South pole
The two ends of a magnet are called the North pole (N) and South pole (S).

3. B) They repel
Like poles (N-N or S-S) repel each other. Unlike poles (N-S) attract.

4. B) The poles (ends)
The magnetic force is strongest at the poles of a magnet.

5. B) It contains a magnet
A compass has a magnetized needle that aligns with Earth's magnetic field, pointing North.

Section B: Short Answer Questions (2 marks each)

6. Any two of: refrigerator door, magnetic whiteboard, pencil case/box closure, bag clasp, earphones, speakers, door catch, magnetic toys
Award 1 mark for each correct object

7. Poles are the ends of a magnet where the magnetic force is the strongest. Every magnet has two poles - a North pole and a South pole.
Award 2 marks for mentioning strongest points/ends of magnet

8. Like poles repel and unlike poles attract.
Award 1 mark for each correct word

9. Any two of: iron, steel, nickel, cobalt
Award 1 mark for each correct material

10. Yes, a magnet can attract a steel paper clip through paper. Magnetic force can pass through non-magnetic materials like paper, plastic, and glass.
Award 1 mark for "yes", 1 mark for explanation about magnetic force passing through

Section C: Application Questions (2 marks each)

11. She can hold the magnet against the outside of the glass near the pins. The magnetic force will pass through the glass and attract the pins. She can then slowly move the magnet up to pull the pins out of the water.
Award 2 marks for correct method

12. Method 1: He can hang one magnet freely from a string. The end that points North is the North pole.
Method 2: He can use a compass. The North pole of the magnet will repel the North end of the compass needle.
Method 3: He can bring one end close to a known magnet's North pole. If it repels, it's a North pole. If it attracts, it's a South pole.
Award 2 marks for any valid method

13. Aluminium is not a magnetic material. Magnets can only attract magnetic materials like iron, steel, nickel, and cobalt.
Award 2 marks for stating aluminium is not magnetic

14. There must be a magnet or magnetic material (like iron or steel) inside the toy car.
Award 2 marks for magnet/magnetic material

15. North pole facing South pole: They will attract (unlike poles attract).
If magnet B is flipped: North pole will face North pole, so they will repel.
Award 1 mark for attract, 1 mark for repel when flipped

Marking Scheme Summary

Section A: 5 marks (5 questions × 1 mark)
Section B: 10 marks (5 questions × 2 marks)
Section C: 10 marks (5 questions × 2 marks)
Total: 25 marks

End of Answer Key