ScienceFunKids

Science Experiments for Kids

Theory of Electromagnetism

A wire that carries an electric current creates a magnetic field around it. The electric current, that is, the moving electrons, create the magnetic field. Therefore, a moving charged particle creates both an electric and a magnetic field. That is, there are no magnetic charges, but only electrical ones, which create both the electric and…

Build a simple Electric Generator

Generators are the devices that convert kinetic energy into electricity. The operation of the generators is based on the induction phenomenon, according to which, if a magnetic field moves close to a conductor an electric current will flow in the conductor. Materials: 2 rubber ringstest tubeLED lightpowerful magnetscopper wire Procedure: Place the magnet and the…

Build a Simple Electromagnet

An electromagnet is the magnet in which the magnetic field is produced by an electric current. Electromagnet consists of a coil wrapped with a wire. The current through the wire turns the coil into a magnet. Materials: 30 cm copper wireA long nailBattery 4.5 VoltPaperclips Procedure: Wrap the wire several times around the nail. Scrape the…

Build a simple electric motor

Electric motors are the devices that convert electrical energy into mechanical energy. Materials: Battery 1.5Volt2 circular magnetsInsulated copper wire Procedure: Place the two magnets on the negative pole of the battery. Shape the wire as it is shown in the image and place it on the positive pole of the battery. The two ends of the…