Table of contents | |
Multiple Choice Questions (MCQs) | |
Fill in the Blanks | |
True or False | |
Match the Following |
Multiple Choice Questions (MCQs)
Q1: Which of the following materials is magnetic?
(a) Wood
(b) Plastic
(c) Iron
(d) Glass
Ans: (c) Iron
Q2: What are the two poles of a magnet called?
(a) North and South
(b) East and West
(c) Up and Down
(d) Left and Right
Ans: (a) North and South
Q3: What happens when two North poles of magnets are brought together?
(a) They attract each other
(b) They repel each other
(c) They stick together
(d) Nothing happens
Ans: (b) They repel each other
Q4: In which device is a magnetized needle used to find directions?
(a) Barometer
(b) Thermometer
(c) Compass
(d) Altimeter
Ans: (c) Compass
Q5: Which of the following is a non-magnetic material?
(a) Cobalt
(b) Nickel
(c) Rubber
(d) Iron
Ans: (c) Rubber
Fill in the Blanks
Q1: Magnets can attract materials such as __________.
Ans: iron
Q2: A freely suspended magnet aligns itself in the __________ direction.
Ans: north-south
Q3: The __________ of a magnet is where the magnetic force is strongest.
Ans: poles
Q4: The ancient Indian navigation tool was called __________.
Ans: Matsya-Yantra
Q5: Non-magnetic materials include __________, plastic, and glass.
Ans: wood
True or False
Q1: A magnet can have only one pole.
Ans: False
Q2: Iron, nickel, and cobalt are examples of magnetic materials.
Ans: True
Q3: A magnetic compass uses the Earth's magnetic field to find directions.
Ans: True
Q4: Like poles of two magnets attract each other.
Ans: False
Q5: The North pole of a magnet is usually painted blue.
Ans: False
Match the Following
Ans:
99 videos|261 docs|49 tests
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1. How do magnets work? |
2. What are the different types of magnets? |
3. Can magnets lose their magnetism over time? |
4. How can you tell the poles of a magnet apart? |
5. What are some common uses of magnets in everyday life? |
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