Fun with magnets
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A Greek shepherd named Magnes discovered magnets in ancient times when he found that nails in his shoes and the tip of his stick were attracted to stones in the ground while digging. Magnets attract certain materials like iron, nickel, and cobalt that are called magnetic materials. All magnets have two poles - a north pole and a south pole - and can attract or repel other magnets depending on which poles are interacting. Magnets are now used for many purposes like refrigerator door closures and magnetic pins or stickers.
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Chapter 11-Fun with Magnets
The document discusses magnets and magnetic materials. It defines a magnet as an object that attracts magnetic materials like iron, nickel, and cobalt. It describes how magnets were first discovered by an ancient Greek shepherd and outlines the different types of natural and artificial magnets. The document explains that magnets have north and south poles and that like poles repel while unlike poles attract. It also discusses how magnets are used in compasses to find directions and how to make your own magnet by rubbing an iron piece with a permanent magnet. Finally, it provides tips for properly storing bar and horseshoe magnets.
magnets
A shepherd named Magnus discovered an unusual black rock that mysteriously pulled his iron staff and sandal nails towards it. This led to the discovery of other rocks with similar magnetic properties, which were named "magnets" after either Magnesia or Magnus. Magnets come in various shapes and sizes and are known to interact with certain metals.
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This document discusses different types of magnets. It explains that natural magnets occur naturally without artificial means, while artificial magnets are substances that are given magnetic properties through artificial means like iron or cobalt. Magnetic substances are strongly attracted to magnets and can be converted into artificial magnets. The document also describes how a magnetic compass uses a magnet's poles to point toward geographic north and south, aiding in navigation.
Fun with magnet
This document summarizes different types of magnets and how they were discovered. There are four main types of magnets: horseshoe, bar, cylindrical, and ball-ended. Magnets produce invisible magnetic fields that attract ferromagnetic materials like iron. Permanent magnets are objects made of magnetized materials that create their own persistent magnetic fields, like refrigerator magnets. Ferromagnetic materials like iron, nickel, and cobalt are strongly attracted to magnets.
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This document discusses different types of magnets such as bar magnets, ring magnets, and cylindrical magnets. It explains that magnets have north and south poles and that unlike poles attract while like poles repel. Some uses of magnets include in credit cards, TV/computer screens, and data storage devices. Magnets can lose their magnetism if exposed to impacts, heat, or other stresses.
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According to Greek legend, magnetism was first discovered by a shepherd named Megnes in Megnesia, Greece. His iron stick and nails had become attracted to a magnetic rock, which was named magnetite after the shepherd or country. Magnets have two poles, a north pole and a south pole, which always exist in pairs and cannot be separated. A compass uses a magnetic needle that aligns in the north-south direction, with its red end pointing north.
Magnets
Iron particles are lined up when a magnet is brought close to iron. When two bar magnets are placed close together with the same poles facing, they will repel each other. The magnetic field consists of field lines that emerge from the North pole and reenter at the South pole. Magnets are made of iron, nickel, or cobalt. Magnetic materials such as iron and steel are attracted to magnets, while non-magnetic materials like plastic and wood are not. To preserve a bar magnet, it should be stored with another magnet to maintain its magnetic field.
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Topics Included:
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• Magnetic Compass
• Difference between Permanent and Temporary Magnet
• Important Definitions
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The document discusses magnets and magnetic materials. It defines a magnet as an object that attracts magnetic materials like iron, nickel, and cobalt. It describes how magnets were first discovered by an ancient Greek shepherd and outlines the different types of natural and artificial magnets. The document explains that magnets have north and south poles and that like poles repel while unlike poles attract. It also discusses how magnets are used in compasses to find directions and how to make your own magnet by rubbing an iron piece with a permanent magnet. Finally, it provides tips for properly storing bar and horseshoe magnets.
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A shepherd named Magnus discovered an unusual black rock that mysteriously pulled his iron staff and sandal nails towards it. This led to the discovery of other rocks with similar magnetic properties, which were named "magnets" after either Magnesia or Magnus. Magnets come in various shapes and sizes and are known to interact with certain metals.
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This document discusses different types of magnets. It explains that natural magnets occur naturally without artificial means, while artificial magnets are substances that are given magnetic properties through artificial means like iron or cobalt. Magnetic substances are strongly attracted to magnets and can be converted into artificial magnets. The document also describes how a magnetic compass uses a magnet's poles to point toward geographic north and south, aiding in navigation.
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This document summarizes different types of magnets and how they were discovered. There are four main types of magnets: horseshoe, bar, cylindrical, and ball-ended. Magnets produce invisible magnetic fields that attract ferromagnetic materials like iron. Permanent magnets are objects made of magnetized materials that create their own persistent magnetic fields, like refrigerator magnets. Ferromagnetic materials like iron, nickel, and cobalt are strongly attracted to magnets.
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According to Greek legend, magnetism was first discovered by a shepherd named Megnes in Megnesia, Greece. His iron stick and nails had become attracted to a magnetic rock, which was named magnetite after the shepherd or country. Magnets have two poles, a north pole and a south pole, which always exist in pairs and cannot be separated. A compass uses a magnetic needle that aligns in the north-south direction, with its red end pointing north.
Magnets
Iron particles are lined up when a magnet is brought close to iron. When two bar magnets are placed close together with the same poles facing, they will repel each other. The magnetic field consists of field lines that emerge from the North pole and reenter at the South pole. Magnets are made of iron, nickel, or cobalt. Magnetic materials such as iron and steel are attracted to magnets, while non-magnetic materials like plastic and wood are not. To preserve a bar magnet, it should be stored with another magnet to maintain its magnetic field.
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• Difference between Permanent and Temporary Magnet
• Important Definitions
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Magnets can attract objects made of iron, steel, or nickel without touching them by pulling the objects through solid, liquid, or gas. Magnets have two poles, a North and a South, that either attract or repel each other or other magnets depending on whether the poles are the same or different. Strong magnets can attract objects from farther away than weaker magnets.
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Summary fun with magnets
Magnets can be natural or artificial. Natural magnets are made of magnetite, an iron ore with magnetic properties. Artificial magnets are made from iron, nickel, or cobalt. Magnets have different shapes like bar, horseshoe, cylindrical, or ball. They attract iron, nickel, and cobalt. Magnets have north and south poles and can attract or repel each other depending on whether the poles are opposite or the same.
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Magnets can be natural or artificial. Natural magnets are made of magnetite, an iron ore with magnetic properties. Artificial magnets are made from iron, nickel, or cobalt. Magnets have different shapes like bar, horseshoe, cylindrical, or ball. They attract iron, nickel, and cobalt. Magnets have north and south poles and can attract or repel each other depending on whether the poles are opposite or the same.
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By Dr. Vinod Kumar KanvariaANATOMY AND BIOMECHANICS OF HIP JOINT.pdf
it describes the bony anatomy including the femoral head , acetabulum, labrum . also discusses the capsule , ligaments . muscle that act on the hip joint and the range of motion are outlined. factors affecting hip joint stability and weight transmission through the joint are summarized.
DRUGS AND ITS classification slide share
Any substance (other than food) that is used to prevent, diagnose, treat, or relieve symptoms of a
disease or abnormal condition
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clinical examination of hip joint (1).pdf
described clinical examination all orthopeadic conditions .
A Strategic Approach: GenAI in Education
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This Gasta posits a strategic approach to integrating AI into HEIs to prepare staff, students and the curriculum for an evolving world and workplace. We will highlight the advantages of working with these technologies beyond the realm of teaching, learning and assessment by considering prompt engineering skills, industry impact, curriculum changes, and the need for staff upskilling. In contrast, not engaging strategically with Generative AI poses risks, including falling behind peers, missed opportunities and failing to ensure our graduates remain employable. The rapid evolution of AI technologies necessitates a proactive and strategic approach if we are to remain relevant.
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Fun with magnets
- 1. MADE BY- DAKSH GUPTA FUN WITH MAGNETS
- 2. 1 )Magnets are the small pieces of metal which have the power of attracting objects made of iron. 2)A mag net is an iron object that makes pieces of iron or steel moves towards it. 3)Now –a- days , we use mag nets for various things Iron pin holders Door closer in fridges Magnetic stickers WHAT ARE MAGNETS?
- 3. There was a greek shepherd named Magnes,one day,he found that the nails in his shoes and the iron tip of the stick were attracted to a certain spot on the ground.To find the source of this mysterious attraction, he started digging the ground.Below the surface, he found some stones that attracted the iron.It is believed that natural magnets were discovered in this way. The greek story of magnets,
- 5. Sales 1st Qtr 2nd Qtr 3rd Qtr 4th Qtr
- 6. All materials that are attracted by a magnet are called magnetic materials.Iron .nickel ,cobalt and their alloys and substances made up of materials are examples of magnetic materials .In other words ,a material which has property of attracting iron ,objets made of iron like substance . The substances not attracted by a magnet is called non magnetic materials,eg-wood .brassetc Magnetic and non magnetic materials
- 7. In every magnets there are 2 regions where its magnetic strenght is maximum.these 2 regions or points of every magnet where its magnetic power is maximum are called as poles of a magnet. Poles of a manet
- 8. If a magnet is divided into 2 parts,it will form 2 magnets and both magnets will have a north and a south pole.The 2 magnets can than be further divided in same manner and all the resulting pieces will have both north and south pole. Know the fact……….
- 9. Magnetite is a iron ore. Magnets have the power to attract iron The phenomenon of the attraction of a substance by a magnet is called magnetism. Magnets can be made artificially. All magnets attracted by a magnet is called magnetic substance Ever7 magnet has 2 poles(N)&(S) . Points to remember
- 10. Thank you
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