THE MATTER
por Aitana Pedreira Guzman
1. STATES OF THE MATTER
1.1. SOLID
1.2. LIQUID
1.3. GAS
2. TYPES OF THE MATTER
2.1. PURE SUBSTANCES
2.2. HOMOGENEOUS MIXTURE
2.3. HETEROGENEOUS MIXTURE
3. TYPES OF CHANGES
3.1. PHYSICAL
3.2. CHEMICAL
4. ATOMS AND MOLECULES
4.1. MOLECULE
4.1.1. ELEMENTS
4.1.2. COMPOUNDS