Changing States:
Solids, liquids and gases are called the three states of matter. Materials can be changed from one state to another by heating or cooling
I walked around the development site and tried to imagine a future when people have moved in?
I found some fragments of orange card with hand written notes about physics on them! Probably written by a secondary school pupil. They were discarded and mixed with a lot of other unimportant rubbish.
Conservation of mass:
The law or conservation of mass states that mass is an isolated neither created nor destroyed by chemical reactions or physical transformation.
Solid liquids and gas:
Solids, liquids and gases have different properties
Liquids and gagses can flow solids keep their shape
Gases can be squashed.
