Let´s complete the missing parts with the BLUE info:

 Let´s complete the parts missing in the Notes with the BLUE info:

Electromagnetism

What did the scientists find out? These scientists discovered that electricity and magnetism are linked to each other. Electric current produces a magnetic field when it flows along a wire.

A magnet can also create electric current in a wire. To create an electric current, we can move a magnet in a circular motion around a coil of wire.

Electrical generators in power stations

We can generate electricity with magnets.

Power generation video!

Hydroelectric power video II! Please, click to check how the electricity is generated!!

5. Electromagnets

Many modern inventions use electromagnets. Electric bells use electromagnetism. Common electromagnetic inventions include electric bells, high speed trains, speakers and microphones.

What are some uses of electromagnets?

Maglev

A magnetic levitation train, or a maglev, uses electromagnets to levitate above its tracks. Magnets are also used to move the train forward. Maglevs can travel at very high speeds because there is no friction between the train and the track.

2. Speakers and microphones

In a speaker, electric current causes a cone to vibrate and produce a sound. A coil is attached to the cone.

In a microphone, sound waves cause the cone to vibrate. The vibration is then transformed into an electric current as the coil moves through the magnetic field of the magnet.

3. Electric Bell

1. The switch is closed and electric current flows through the circuit.

3. The hammer is attracted to the electromagnet and hits the bell.