The matter

1. States of the matter

1.1. Solid

1.2. Liquid

1.3. Gas

2. Changes of the matter

2.1. Phisical

2.1.1. Solidification

2.1.2. Melting

2.1.3. Condensation...

2.2. Chemical

2.2.1. Rusting

2.2.2. Burning

2.2.3. Fermentation

3. The Atoms

3.1. The atoms are composed by molecules.There are two types of molecules:

3.1.1. Elements

3.1.2. Compouneds