1. Pure Substance
1.1. Any single type of material.
1.2. Homo
1.2.1. Emulsion
1.2.1.1. An emulsion is a mixture of two or more liquids that are normally immiscible.
1.2.2. Suspension
1.2.2.1. A liquid that can make solid objects float.
1.2.3. Solution
1.2.3.1. Is a homogeneous mixture composed of only one phase.
1.3. Hetero
1.3.1. Colloid
1.3.1.1. A colloid is a substance microscopically dispersed throughout another substance.
1.3.2. Element
1.3.2.1. A chemical element is a pure chemical substance consisting of one type of atom
1.3.2.2. Molecule
1.3.2.2.1. Atom
1.3.2.2.2. A molecule is an electrically neutral group of two or more atoms held together by chemical bonds.
2. Mixture
2.1. Water
2.2. Compound
2.2.1. A chemical substance consisting of two or more elements.
2.3. Mechanical Mixture
2.3.1. A mechanical mixture is a combination of two or more substances that no matter how hard you stir or mix, they still remain as separate substances lying beside each other.