Invention icon for STEM Expo

Please Note: Although The Category Descriptions Are Up To Date For STEM Expo 2015, We Are Still In The Process Of Updating Our Rubrics - These Should Be Updated Soon!


An invention is a new device, contrivance, process, or an improvement
on an existing machine or product that solves a real or perceived 
problem or need.

The category covers the illustrative design detail, the understanding
of the invention's use and benefits, and design prototype construction.

Pertinent Information and Definitions

Project Display

A successful entry display in this category may contain the following:

  • A description of the use of the invention, and the benefits associated
  • A ‘mock-up’, prototype, or construction of all or part of the invention
  • Any marketing or promotional concept for the invention

Descriptive Paper

A descriptive paper may be provided to show additional information

  • Overall invention clearly described including what it is, how it would be used, benefits, and intended audience
  • Description of the design process that occurred in the creation of the invention, including any problems encountered and the solutions
  • Drawings or descriptive text that describes the construction process and any materials required
  • Any further steps taken beyond initial concept, including competitor research, publicity, etc.

Entry, Review, and Judging

An entry in this category will be reviewed and judged on the following:

  • General requirements and judging points
  • Preparation and display of the invention and/or its component
  • Prototype or mock-up design and construction
  • Descriptive paper showing further details about the invention

Additional items which will affect the review and judging conclusions

  • Research evidence that no similar product or process exists
  • Invention offers functionality that solves a problem efficiently
  • Invention addresses a real-world need
  • Practicality in terms of size, cost, materials, etc. for the problem being solved
  • Unique or innovative methodologies used


Please review the judging rubric for this category for other items that may be considered.

Other Contests in this category: