Posted by Class 6 Science Chapter 10 solution :Dive into the fascinating world of magnets with Class 6 Science Chapter 10, “Fun with Magnets!” In this chapter, students explore the properties of magnets, their uses, and the science behind magnetism. This guide, combining both Hindi and English explanations, provides solutions to exercises and clarifies important concepts in an easy-to-understand manner.
Table of Contents
Chapter Overview: Fun with Magnets
Chapter 10 of RBSE Class 6 Science, “Fun with Magnets” (चुंबक के साथ मजा), introduces students to the intriguing concept of magnetism. The chapter focuses on understanding what magnets are, their properties, and how they attract or repel objects. Students also learn about the two poles of a magnet, the Earth’s magnetic field, and how magnets are used in everyday life.
Class 6 Science Chapter 10 Solutions Exercise Questions
1. Fill in the blanks in the following
(i) Artificial magnets are made in different shapes such as __________, __________ and ____________.
(ii) The materials which are attracted towards a magnet are called________.
(iii) Paper is not a ______ material.
(iv) In the olden days, sailors used to find direction by suspending a piece of ___________.
(v) A magnet always has __________ poles.
Solution:
(i) Artificial magnets are made in different shapes such as bar magnet, horse shoe and cylindrical.
(ii) The materials which are attracted towards a magnet are called magnetic.
(iii) Paper is not a magnetic material.
(iv) In the olden days, sailors used to find direction by suspending a piece of magnet.
(v) A magnet always has two poles.
2. State whether the following statements are true or false:
(i) A cylindrical magnet has only one pole.
(ii) Artificial magnets were discovered in Greece.
(iii) Similar poles of a magnet repel each other.
(iv) Maximum iron filings stick in the middle of a bar magnet when it is brought near them.
(v) Bar magnets always point towards North-South direction.
(vi) A compass can be used to find East-West direction at any place.
(vii) Rubber is a magnetic material.
Solution:
i) False
ii) False
iii) True
iv) False
v) True (Freely suspended bad magnet)
vi) True
vii) False
3. It was observed that a pencil sharpener gets attracted by both the poles of a magnet although its body is made of plastic. Name a material that might have been used to make some part of it.
Solution:
Iron might have been used to make some part of it.
4. Column I shows different positions in which one pole of a magnet is placed near that of the other. Column II indicates the resulting action between them for each situation. Fill in the blanks.
| Column – I | Column – II |
| N-N | _______ |
| N-___ | Attraction |
| S-N | _____ |
| ___-S | Repulsion |
Solution:
| Column – I | Column – II |
| N-N | Repulsion |
| N- S | Attraction |
| S-N | Attraction |
| S– S | Repulsion |
5. Write any two properties of a magnet.
Solution:
Properties of a magnet are as follows
- It attracts objects made of Nickel, Cobalt and Iron.
- Like poles of two magnets repel each other and opposite poles attract each other.
6. Where are poles of a bar magnet located?
Solution:
On two ends of a bar magnet.
7. A bar magnet has no markings to indicate its poles. How would you find out near which end is its north pole is located?
Solution:
A bar magnet is hung in the air, and the end pointing to the north is the north pole of the magnet.
8. You are given an iron strip. How will you make it into a magnet?
Solution:
Take a bar magnet and keep in contact with one of its poles with one edge of the bar of iron.
- Without lifting the bar magnet, move it along the length of the iron bar till you reach the other end.
- Lift the magnet and bring the pole (the same pole you started with) to the same point of the iron bar from which we began.
- Move the magnet again along the iron bar in the same direction as you did before.
- Repeat this process for about 30-40 times.
9. How is a compass used to find directions?
Solution:
A compass always shows north and south directions; by keeping this as a reference, we can always find east and west directions also.
10. A magnet was brought from different directions towards a toy boat that has been floating in water in a tub. The effect observed in each case is stated in Column I. Possible reasons for the observed effects are mentioned in Column II. Match the statements given in Column I with those in Column II.
| Column I | Column II |
| Boat gets attracted towards the magnet | Boat is fitted with a magnet with a north pole towards its head |
| Boat is not affected by the magnet | Boat is fitted with a magnet with a south pole towards its head |
| Boat moved towards the magnet when the north pole was brought near its head | Boat has a small magnet fixed along its length |
| Boat moves away from the magnet when the north pole is brought near its head | Boat is made up of magnetic material |
| Boat floats without changing its direction | Boat is made up of non-magnetic material |
Solution:
| Column I | Column II |
| Boat gets attracted towards the magnet | Boat is made up of magnetic material |
| Boat is not affected by the magnet | Boat is made up of non-magnetic material |
| Boat moved towards the magnet when the north pole was brought near its head | Boat is fitted with a magnet with the south pole towards its head |
| Boat moves away from the magnet when the north pole is brought near its head | Boat is fitted with a magnet with a north pole towards its head |
| Boat floats without changing its direction | Boat has a small magnet fixed along its length |
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Key Topics Covered in Chapter 10
- What are Magnets? (चुंबक क्या है?)
- Magnets are objects that attract or repel certain materials like iron, nickel, and cobalt.
- Natural Magnets: Lodestone (चुंबकी पत्थर) is a natural magnet that has magnetic properties.
- Properties of Magnets (चुंबक के गुण)
- Attraction and Repulsion: Magnets have two poles: North (उत्तर) and South (दक्षिण). Like poles repel each other, while opposite poles attract.
- Magnetic Field: The space around a magnet where its force is felt is called the magnetic field (चुंबकीय क्षेत्र).
- Magnetic Poles (चुंबकीय ध्रुव)
- Every magnet has two poles, North and South. If a magnet is cut into two parts, each part will have a North and a South pole.
- Uses of Magnets (चुंबकों के उपयोग)
- Magnets are used in compasses (कंपास), electric motors, refrigerators, and various electronic devices.
- Magnetic Materials (चुंबकीय सामग्री)
- Materials like iron, cobalt, and nickel are magnetic, meaning they are attracted to magnets. Other materials like wood, plastic, and glass are non-magnetic.
- Magnetism of the Earth (पृथ्वी का चुंबकत्व)
- Earth itself acts as a giant magnet, and this is why a compass always points towards the North.
Solutions to Exercise Questions
Here are some common question types from Chapter 10, along with simple solutions.
1. Fill in the Blanks (रिक्त स्थान भरें)
- Question: A magnet has two _____ poles.
- Solution: North and South (उत्तर और दक्षिण)
2. True or False (सत्य या असत्य)
- Question: A magnet always has only one pole.
- Solution: False. Every magnet has two poles: North and South.
3. Multiple Choice Questions (बहुविकल्पीय प्रश्न)
- Question: Which of these materials is not magnetic?
A. Iron
B. Wood
C. Nickel - Solution: B. Wood (लकड़ी)
4. Short Answer Questions (संक्षिप्त उत्तर प्रश्न)
- Question: What happens when we cut a magnet in half?
- Solution: When a magnet is cut in half, each part will form two smaller magnets, each having its own North and South poles.
5. Application-Based Questions (प्रयोगात्मक प्रश्न)
- Question: Explain the working of a compass.
- Solution: A compass uses a small magnetized needle that can rotate freely. The needle aligns itself with Earth’s magnetic field and points towards the North-South direction.
Key Concepts to Remember
- Like poles repel, opposite poles attract (समान ध्रुव एक-दूसरे को दूर करते हैं, विपरीत ध्रुव एक-दूसरे को आकर्षित करते हैं).
- Magnets attract magnetic materials like iron, cobalt, and nickel.
- The Earth acts like a giant magnet, which is why a compass needle always points towards the North.
- Magnetic field is the area around a magnet where its magnetic force can be felt.
- Natural magnets like lodestone have magnetic properties naturally.
Study Tips for Chapter 10: Fun with Magnets
- Understand the properties of magnets
Remember that magnets have two poles, and their behavior (attraction or repulsion) depends on the poles. - Practice with magnetic and non-magnetic materials
Use a magnet to test which materials are attracted to it. This will help reinforce your understanding of magnetic properties. - Draw diagrams
Practice drawing the basic diagram of a magnet with poles and its magnetic field to visualize the concepts. - Perform experiments
Try simple experiments like finding magnetic materials around the house or using a compass to demonstrate the Earth’s magnetic field.
FAQs on Class 6 Science Chapter 10: Fun with Magnets
Q1: Why does a compass needle point towards the North?
The compass needle points towards the North because the Earth acts like a giant magnet, and the needle aligns itself with Earth’s magnetic field.
Q2: What are natural magnets?
Natural magnets, like lodestone, are naturally magnetized materials that attract iron and similar metals.
Q3: Can we break a magnet into smaller magnets?
Yes, if you break a magnet, each piece will form a new magnet with its own North and South poles.
Conclusion
Chapter 10, Fun with Magnets, brings the exciting world of magnetism to Class 6 students. By learning about the properties, uses, and behavior of magnets, students develop a deeper understanding of how magnets affect the world around us. With hands-on experiments and engaging study techniques, this chapter provides both fun and learning!