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...…
in books
Book 2

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...…
in exercises
Home-made compass

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...…
in exercises
Magnet fishing

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...…
in exercises
Magnetic hunt

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...…
in exercises
Making a magnet

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...…
in exercises
How strong is a magnet?

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...…
in history
Discovery of electron spin

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...…
in macroscopic concepts
Compass