The purpose of a Dewey Decimal Brainstorm is to come up with various ways to categorize and organize items (for example, by size, shape, colour, theme, subject, etc). By doing this, topics are generated by creating a library classification system. This is an exercise typically done in a classroom setting to expose students to the Dewey Decimal Classification system, how this system is used to organize library collections, and to show how libraries collections are catalogued.
I'm assuming you meant the Dewey Decimal System. It is a classification system used in libraries to organize books by subject based on a numerical system. It was developed by Melvil Dewey in 1876 and is widely used in libraries around the world.
The Dewey decimal number for Greek civilization is 938 in the Dewey Decimal Classification system.
The Dewey Decimal number for thermodynamics is 536.
Dewey Decimal is the classification system of the library.
The Dewey Decimal Classification for cowboys is 978.004.
The Dewey decimal number for camping is 796.54.
The Dewey decimal number for Disasters is 363.34.
The Dewey decimal number for autobiography is 928.
The Dewey Decimal number for ninja is 796.815.
The Dewey Decimal Classification code for robotics is 629.892.
The Dewey Decimal Classification (DDC), or Dewey Decimal System, is a proprietary library classification system first published in the United States by Melvil Dewey in 1876.