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1. What happens when unlike poles of two magnets come together?
A. They repel
B. They attract
C. They create heat
D. They lose magnetism
2. Which of the following metals is magnetic?
A. Aluminum
B. Brass
C. Nickel
D. Copper
3. When a magnet is suspended freely, it aligns in which direction?
A. East-West
B. North-South
C. Northeast-Southwest
D. West-North
4. What is the outcome when a North pole is brought near the North pole of another magnet?
A. They attract each other.
B. They repel each other.
C. They neutralize.
D. Nothing happens.
5. What happens when you rub a magnet along a needle multiple times?
A. The needle becomes a magnet.
B. The needle changes color.
C. The magnet loses its properties.
D. The needle becomes non-magnetic.
6. The force of a magnet can pass through which of the following materials?
A. Wood
B. Glass
C. Plastic
D. All of the above
7. What happens when a magnet is heated?
A. It becomes stronger.
B. It loses its magnetism.
C. It gains new poles.
D. It breaks into pieces.
8. Magnets of which shape are often used in toys?
A. Bar magnets
B. Ring magnets
C. U-shaped magnets
D. All of the above
9. Which of these can be turned into a magnet?
A. Wooden block
B. Iron rod
C. Plastic spoon
D. Rubber band
10. Which device was used in ancient India for navigation at sea?
A. Magnetic compass
B. Lodestone
C. Matsya-yantra
D. Gyroscope
11. What is the name of the device that helps in finding directions by using the Earth's magnetic field?
A. Speedometer
B. Thermometer
C. Magnetic compass
D. Altimeter
12. Magnets should not be stored near:
A. Wood
B. Plastic
C. Mobile phones
D. Paper
13. How should magnets be stored?
A. In pairs with unlike poles facing each other
B. In pairs with like poles facing each other
C. In a metal box
D. Covered with plastic
14. What happens when two ring magnets are placed with like poles facing each other?
A. They stick together.
B. They repel each other.
C. They rotate.
D. Nothing happens.
15. Which of these can damage a magnet?
A. Dropping it
B. Heating it
C. Hitting it with a hammer
D. All of the above
16. How can a magnet be demagnetized?
A. By rubbing it
B. By cooling it
C. By heating or hitting it
D. By freezing it
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