VERY SHORT ANSWER TYPE QUESTIONS
Q.1. What is a magnet?
Ans. The substance having the property of attracting magnetic materials is known as magnet.
Q.2. Magnetite is a natural magnet. (True/False)
Q.3. Artificial magnets are made in different shapes. Give some examples.
Ans. Bar magnet, horse shoe magnet, cylindrical magnet etc.
Q.4. Magnetite contains ______.
Q.5. What are magnetic materials?
Ans. The materials which get attracted towards a magnet are called magnetic materials.
Q.6. What are non-magnetic materials?
Ans. Materials which are not attracted towards a magnet are called non-magnetic materials.
Fig: Non-Magnetic Materials
Q.7. Give two examples each of magnetic and non magnetic material.
(i) Example of magnetic material are iron and nickel.
(ii) Examples of non magnetic material are plastic and rubber.
Q.8. Plastic is a ______ material. (magnetic/non-magnetic)
Q.9. A magnet has ______ poles.
Q.10. Magnet was first discovered in Greece. Is the statement true?
Q.11. If we break a bar magnet into three parts, ______ poles will be formed.
Q.12. The materials which get attracted towards a magnet like iron are called ______.
Ans. Magnetic materials
Q.13. What are the two poles of a magnet?
Ans. North Pole and South Pole
Fig: North Pole and South Pole
Q.14. The materials which are not attracted by a magnet are called ______.
Ans. Non-magnetic materials
Q.15. Cobalt is a ______ material. (Magnetic/non-magnetic)
Q.16. A cylindrical magnet has only one pole. (True/False)
Q.17. Nickel is a ______ material. (magnetic/non-magnetic)
Q.18. Can magnet be used for finding directions?
Q.19. Horse shoe magnet is a ______ magnet.
Q.20. Same pole of magnet ______ each other.
Q.21. All magnets have two poles, whatever their shape may be. Is the statement true?
Q.22. Bar magnet is an ______ magnet.
Q.23. Freely suspended magnet always comes to rest in a particular direction. Which is that direction?
Ans. North-south direction
Q.24. What is magnetite?
Ans. The natural magnet is called magnetite.
Fig: Natural Magnetite
Q.25. What is the use of magnetic compass?
Ans. The magnetic compass is used to know about the directions its needle points to north-south direction.
Q.26. If we break a magnet, all its pieces have two poles each.(True/False)
Q.27. Poles of bar magnet are located near ______.
Ans. Its two ends.
Q.28. Where will the maximum iron filings stick on a bar magnet when it is brought near them?
Ans. At the ends of a bar magnet.
Q.29. Write any one property of magnet.
Ans. Like magnetic poles repel each other and unlike magnetic poles attract each other.
Q.30. An electromagnet is used in the crane. (True/False)
Q.31. Opposite poles of a magnet ______ each other.