1. Science Fair Categories
By Grade Level
6th Grade

2. 6th Grade- Overall Categories
Earth & Environmental Sciences
Engineering
Environmental Engineering
Intelligent Machines, Robotics and Systems Software
Mathematics & Computational Sciences
Plant Sciences

3. 6th Grade- Subcategories
Earth & Environmental Sciences:
Atmospheric Science
Climate Science
Environmental Effects on Ecosystems
Geosciences
Water Science

4. 6th Grade- Subcategories
Engineering:
Aerospace & Aeronautical Engineering
Biomaterials
Ceramic & Glasses
Circuits
Civil Engineering
Composite Materials
Computation & Theory
Computational Mechanics
Control Theory
Electronic, Optical & Magnetic Materials
Ground Vehicle Systems
12. Industrial Engineering-Processing 13. Internet of Things 14. Mechanical Engineering 15. Microcontrollers 16. Nanomaterials 17. Naval Systems 18. Networking & Data Communications 19. Optics 20. Polymers 21. Sensors 22. Signal Processing

5. 6th Grade- Subcategories
Environmental Engineering:
Bioremediation
Land Reclamation
Pollution Control
Recycling & Waste Management
Water Resources Management

6. 6th Grade- Subcategories
Intelligent Machines, Robotics & Systems Software:
Biomechanics
Cognitive Systems
Control Theory
Robot Kinematics
Machine Learning
Algorithms
Cybersecurity
Databases
Operating Systems
Programming Languages

7. 6th Grade- Subcategories
Mathematics & Computational Sciences:
Algebra
Analysis
Combinatorics, Graph Theory & Game Theory
Geometry & Topography
Number Theory
Probability & Statistics
Biomedical Engineering
Computational Bio Modeling
Computational Evolutionary Biology
Computational Neuroscience
Computational Pharmacology
Genomics

8. 6th Grade- Subcategories
Plant Sciences:
Agronomy
Growth & Development
Ecology
Genetics/Breeding
Pathology
Physiology
Systematics & Evolution