| Stages |
The emergence of a new ability |
Consistent pattern |
Consistent pattern in Chemistry |
| 1. |
The lowest form of dismembered feeling |
Ability to dismember the holistic sensory impressions |
The selection of the largest elements corresponding to objects |
Discovery the ability of a substance to change its properties under the influence of fire |
| 2. |
Sensory-automatic thinking |
Ability to recognize of objects by their individual properties or characteristics |
Selection of more fractional elements corresponding to the properties of objects |
Discovery of methods to increase the temperature of combustion |
| 3. |
Concrete thinking |
Ability to make judgments |
The emergence of a three-term structure of thought |
Cro-Magnons discovered a method for producing substances with new properties by heating two or more substances |
| 4. |
Symbolic thinking |
Ability to speech |
Abstract content is associated with verbal signs, but signs continue to carry sensory content |
 The symbol of gold (ancient Egypt), depicting the process of obtaining it (Loyson, 2011) |
| 5. |
Abstract thinking |
Ability to operate with “pure signs" abstracted from sensory content |
"Pure signs" abstracted from sensory content |
Au |
