Topic: magnetic field

Why some materials don't stick to a magnet?

Some materials don't stick to a magnet because they aren't magnetic. The article Magnetic materials explains the difference between magnetic and non-magnetic materials. Most magnetic materials contain iron, nickel, or cobalt. In these materials, some electrons have their spins naturally alig...…
in questions
Why some materials don't stick to a magnet?

Why magnets can push and pull something without touching it?

Magnets can push and pull things without touching them because they are surrounded by an invisible magnetic field. In Book 2 the electrons explain to Millie how it works. The article about Magnetism shows us that the magnetic field spreads out around the magnet. It can be visualized with i...…
in questions
Why magnets can push and pull something without touching it?

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