Genius Challenge: MAGNETS AND STATIC ELECTRICITY

Front

What is a magnet?

Back

A magnet is an object that can attract certain metals like iron and produce a magnetic field.

Front

What are electromagnets?

Back

Electromagnets are magnets that are created by electricity. They can be turned on and off.

Front

What is static electricity?

Back

Static electricity is the build-up of electric charge on the surface of objects.

Front

What happens when two objects have the same charge?

Back

They repel each other, meaning they push away from each other.

Front

What happens when two objects have opposite charges?

Back

They attract each other, meaning they pull towards each other.

Front

What materials can stick to magnets?

Back

Some metals, like iron and nickel, can stick to magnets.

Front

What is a neodymium magnet?

Back

A neodymium magnet is a very strong type of permanent magnet made from an alloy of neodymium, iron, and boron.

Front

What is an example of an everyday use of electromagnets?

Back

Electromagnets are used in doorbells, speakers, and junkyard cranes.

Front

Why do balloons stick to your hair after rubbing them?

Back

Balloons stick to your hair because of static electricity; they have opposite charges.

Front

What is the role of electric charge in static electricity?

Back

Electric charge can be positive or negative, and it causes static electricity when it builds up.