little was known about the physical properties of air. Aristotle suggested that air was one of four elements that also included earth, water, and fire, and for 2000 years this was the prevailing view.

There are four physical elements: fire, water, air, and earth.But there is also a fifth element that has been referred by different names throughout history. This element is most commonly known as ...

Physical properties are the basic features ... can cool down and return to its liquid state (condensation). Observing how elements react with air. For example, the Group 1 elements react with ...

This clip is from the series Dance with the Elements. Pupils can be encouraged to use dance and movement to explore the different emotions evoked by the concept of ‘air’, by the feelings ...