Books etc
Book 2
Book 2 in which a scarecrow gives Millie a brilliant idea about magnets is a humorous introduction to magnetism based on the orientation of electron spins. In this adventure, Millie wants to know what it is like to be an electron; she learns about magnetic fields, attractive and repulsive forces, a...…
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books
Home-made compass
Make your own compass
Materials Needed
A small sewing needle or a straightened paperclip.
A magnet.
A small bowl of water.
A piece of cork, foam, or a small leaf (anything that floats).
Instructions
Magnetise the Needle
Stroke the needle in one direction onl...…
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exercises
Magnet fishing
Magnet fishing is a growing hobby that involves using a long rope and strong magnet to retrieve lost or hidden metal objects in water. It can help to clean up waterways and improve the environment by removing discarded trash.
Magnet fishing is possible because water does not block or weaken a ma...…
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exercises
Magnetic hunt
Discover which everyday objects are attracted to magnets.
Materials Needed:
A magnet (e.g., a fridge magnet or a bar magnet)
A magnetic hunt chart that you can download here.
Explore the house and make a list of the objects that you think will stick to a magnet and then test them. Re...…
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exercises
Making a magnet
How to make a homemade magnet
Materials Needed
A metal object that is attracted to a magnet (like a nail, paperclip, or screwdriver).
A strong magnet.
(Optional) A small bowl of paper clips or pins to test your magnet.
Instructions
1. Choose a Metal Object
Pick an item...…
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exercises
How strong is a magnet?
Measuring the strength of a magnet
Activity: How Many Paper Clips Can Your Magnet Hold?
Materials Needed
A magnet.
A box of paper clips.
A ruler.
Instructions
1. Set Up Your Experiment
Place your magnet on a flat surface.
Gather your paper clips in a p...…
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exercises
Discovery of electron spin
In 1922, Otto Stern and Walther Gerlach, two German physicists, conducted a groundbreaking experiment that demonstrated that electron spin and magnetism were related. To understand it, let’s imagine you have a strong magnet and a bunch of tiny beads. If you throw the non-magnetic beads through the m...…
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history
Compass
A compass is a tiny magnet that can spin around! It’s usually inside a round case with directions North, South, East, and West) marked on it. The compass needle always tries to point toward the Earth’s magnetic South Pole, so you can use it to find your way around.
If you put a magnet close to a...…
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macroscopic concepts