Science Online What's new?

Stethoscope 0

The uses and laws of reflection of sound waves

The reflection The reflection is the change in the direction of a wavefront at a interface between two different media so that the wavefront returns into the medium from which it originated such as...

Intermolecular forces 0

The properties of the molecules of the matter

The molecule The matter is composed of small building units called the molecules which is composed of tiny structural units called the atoms , and it is anything that has a mass and  occupies...