Boiling point is the temperature at which a substance begins to change to a gas. Melting point is the temperature at which a substance begins to turn into a liquid. And freezing point is the temperature at which a substance begins turning into a solid.
A new material is formed in <span>result of a chemical change. Typically, the chemical changes always make the new material.</span><span />
Genetic engineering also called transformation
A forest fire is considered a chemical change because of the changing of the wood by combustion, which is not a physical change.
