The regions of a magnet where its magnetic force is strongest, typically referred to as north and south poles. | Magnetic Poles |
What are magnetic poles? | Magnetic poles are the regions of a magnet where its magnetic force is strongest, typically referred to as north and south poles. |
Magnetic poles that have the same polarity, resulting in repulsion when brought near each other. | Like Poles |
Define like poles. | Like poles are magnetic poles that have the same polarity, resulting in repulsion when brought near each other. |
Magnetic poles that have opposite polarity, resulting in attraction when brought near each other. | Unlike Poles |
Explain unlike poles. | Unlike poles are magnetic poles that have opposite polarity, resulting in attraction when brought near each other. |
The force exerted by a magnet on other magnets or magnetic materials, causing attraction or repulsion. | Magnetic Force |
What is magnetic force? | Magnetic force is the force exerted by a magnet on other magnets or magnetic materials, causing attraction or repulsion. |
Forces that can act on objects without physical contact, such as magnetic and electrostatic forces. | Non-contact Forces |
Define non-contact forces. | Non-contact forces are forces that can act on objects without physical contact, such as magnetic and electrostatic forces. |
The pole of a magnet that, when freely suspended, points towards the Earth's geographic north. | North Pole |
What is the north pole of a magnet? | The north pole of a magnet is the pole that, when freely suspended, points towards the Earth's geographic north. |
The pole of a magnet that, when freely suspended, points towards the Earth's geographic south. | South Pole |
Define the south pole of a magnet. | The south pole of a magnet is the pole that, when freely suspended, points towards the Earth's geographic south. |
Magnets that maintain their own magnetic field without external influence, typically made from materials like iron, steel, cobalt, and nickel. | Permanent Magnets |
What are permanent magnets? | Permanent magnets are magnets that maintain their own magnetic field without external influence, typically made from materials like iron, steel, cobalt, and nickel. |
Materials that become magnetic when placed in a magnetic field, losing their magnetism when removed from the field. | Induced Magnets |
Define induced magnets. | Induced magnets are materials that become magnetic when placed in a magnetic field, losing their magnetism when removed from the field. |
The region around a magnet where its magnetic force is exerted on other magnets or magnetic materials. | Magnetic Field |
What is a magnetic field? | A magnetic field is the region around a magnet where its magnetic force is exerted on other magnets or magnetic materials. |
Materials that are attracted to magnets, including iron, steel, cobalt, and nickel. | Examples of Magnetic Materials |
Provide examples of magnetic materials. | Examples of magnetic materials include iron, steel, cobalt, and nickel. |
The property of magnetic materials being drawn towards magnets due to magnetic force. | Attraction to Magnets |
What does attraction to magnets mean? | Attraction to magnets is the property of magnetic materials being drawn towards magnets due to magnetic force. |
The property of non-magnetic materials being pushed away from magnets, typically absent in everyday materials. | Repulsion from Magnet |
Explain repulsion from magnets. | Repulsion from magnets is the property of non-magnetic materials being pushed away from magnets, typically absent in everyday materials. |
The process of losing magnetism, which occurs when a magnetic material is removed from a magnetic field. | Demagnetization |
What is demagnetization? | Demagnetization is the process of losing magnetism, which occurs when a magnetic material is removed from a magnetic field. |
Applications and objects that utilize permanent magnets for their magnetic properties. | Uses of Permanent Magnets |
What are the uses of permanent magnets? | The uses of permanent magnets include creating objects like fridge magnets, car learner-plates, and compasses. |
Objects designed to stick to refrigerators, typically made using permanent magnets. | Fridge Magnets |
Provide an example of an object made using permanent magnets. | Fridge magnets are an example of objects made using permanent magnets. |
Plates used by beginner drivers, often made using permanent magnets. | Car Learner-Plates |
What are car learner-plates made using? | Car learner-plates are often made using permanent magnets. |
Applications and scenarios where induced magnets are utilized, typically involving materials that become magnetic in the presence of a magnetic field. | Uses of Induced Magnets |
What are the uses of induced magnets? | Induced magnets are used in scenarios where materials become magnetic, such as in a magnetic noticeboard. |
Navigational instruments that utilize a magnetic needle, often made using permanent magnets, to indicate Earth's magnetic north pole. | Compasses |
How are compasses made? | Compasses are often made using permanent magnets, ensuring the needle always points towards Earth's magnetic north pole. |
A board that becomes an induced magnet when a permanent magnet is used to attach items to it. | Magnetic Noticeboard |
What is a magnetic noticeboard? | A magnetic noticeboard is a board that becomes an induced magnet when a permanent magnet is used to attach items to it. |
The northern point on Earth towards which compass needles point, influenced by Earth's magnetic field. | Earth's Magnetic North Pole |
What does Earth's magnetic north pole influence? | Earth's magnetic north pole influences the direction of compass needles. |
Regions around magnets or magnetic materials where a magnetic force is experienced. | Magnetic Fields |
What is a magnetic field? | A magnetic field is a region where magnets or magnetic materials experience a magnetic force. |
Imaginary lines used to represent the magnetic field around magnets, showing the direction and strength of the field. | Magnetic Field Lines |
How are magnetic fields represented? | Magnetic fields are represented by field lines. |
Arrows on magnetic field lines indicating the direction a magnetic north pole would experience a force at that point. | Arrows on Field Lines |
What do the arrows on field lines represent? | The arrows on field lines represent the direction of the force a magnetic north pole would experience at that point. |
The phenomenon where magnetic field lines never intersect or cross over each other. | Crossing of Field Lines |
Do magnetic field lines cross each other? | No, magnetic field lines never cross over each other. |
The spacing between magnetic field lines, indicating the strength of the magnetic field. | Field Line Concentration |
What does the spacing of field lines indicate? | The spacing of field lines indicates the strength of the magnetic field. |
The intensity of the magnetic field is greatest at the poles of a magnet. | Magnetic Field Strength at Poles |
Where is the magnetic field strength greatest? | The magnetic field strength is greatest at the poles of a magnet. |
A magnetic field where the field lines are evenly concentrated, and the strength is the same everywhere between the magnets. | Uniform Magnetic Field |
What is a uniform magnetic field? | A uniform magnetic field is where the magnetic field lines are evenly concentrated, and the strength is the same everywhere between the magnets. |
A navigational tool that relies on magnetism to determine direction, with its needle pointing towards the Earth's magnetic north pole. | Magnetic Compass |
What is a magnetic compass used for? | A magnetic compass is used for navigation and determining direction by aligning with the Earth's magnetic field. |
The needle of a magnetic compass, with one end representing the north pole. | Compass Needle |
Which end of the compass needle represents the north pole? | The tip of the compass needle represents the north pole. |
The principle that like magnetic poles repel each other, and unlike magnetic poles attract each other. | Like and Unlike Poles |
What happens between like and unlike magnetic poles? | Like magnetic poles repel each other, and unlike magnetic poles attract each other. |
A compass used in scientific experiments to map or draw magnetic field lines around a magnet. | Plotting Compass |
What is a plotting compass used for in experiments? | A plotting compass is used to map or draw magnetic field lines around a magnet in scientific experiments. |
Imaginary lines that indicate the direction a north pole of a magnet would follow in a magnetic field. | Field Lines of a Magnetic Field |
What do field lines of a magnetic field represent? | Field lines of a magnetic field represent the direction a north pole of a magnet would follow in the field. |
The process of following the direction of a compass needle near a magnet to draw a diagram of magnetic field lines. | Tracing Field Lines |
How can you create a diagram of magnetic field lines? | By tracing the direction of a compass needle near a magnet, you can create a diagram of magnetic field lines. |
A visual representation of the magnetic field around a magnet, created by tracing the compass needle's direction. | Diagram of Magnetic Field Lines |
What does a diagram of magnetic field lines illustrate? | A diagram of magnetic field lines illustrates the pattern and direction of the magnetic field around a magnet. |
The magnetic field produced by the Earth, similar to that of a giant bar magnet, which influences the behavior of compass needles. | Earth's Magnetic Field |
Why do compasses point north on Earth? | Compasses point north because the Earth has a magnetic field, and they are attracted to the south pole of the Earth's magnet. |
The point on the Earth's surface that corresponds to the northernmost point on the Earth's axis of rotation. | Earth's Geographic North Pole |
Is the geographic North Pole the same as the magnetic north pole? | No, the Earth's geographic North Pole is not the same as its magnetic north pole. |
The location in the Southern Hemisphere to which the north-seeking pole of a compass is attracted. | Magnetic South Pole of Earth |
What do compasses point towards on Earth? | Compasses point towards the magnetic south pole of the Earth, located in the Southern Hemisphere. |
The central part of the Earth, composed primarily of iron and nickel, where magnetic materials contribute to the Earth's magnetic field. | Earth's Core |
What materials in the Earth's core contribute to its magnetic field? | Iron and nickel, which are magnetic materials, contribute to the Earth's magnetic field. |
Observable phenomena, such as compass behavior, indicating that the Earth's core has magnetic properties. | Evidence of Earth's Core Magnetism |
What is evidence that the Earth's core is magnetic? | The behavior of compasses, pointing towards the magnetic south pole, serves as evidence that the Earth's core is magnetic. |
Substances, such as iron and nickel, that can be magnetized and contribute to the creation of magnetic fields. | Magnetic Materials |
Name two magnetic materials found in the Earth's core. | Iron and nickel are magnetic materials found in the Earth's core. |
The tendency of a compass needle to align with the Earth's magnetic field, indicating magnetic north. | Compass Needle Behavior |
Why does a compass needle align with the Earth's magnetic field? | A compass needle aligns with the Earth's magnetic field because it is attracted to the magnetic south pole, indicating magnetic north. |