Circuit Lab

Welcome to Circuit Lab! In this event, participants must complete hands-on tasks and answer questions about electricity and electronics.

The information below should not be interpreted as an extension of the rules. You can find free online copies of the current rules for download on the 2027 Rules page of the Science Olympiad website. The official rules in the current Rules Manual take precedence. 

Resources & Links

Current Season Resources 

• Coming soon!

Previous Seasons Resources 

• Circuit Lab Shocking Insights Webinar
• TryEngineering.org - a site powered by IEEE with a page for Circuit Lab
• Practice Power Points from Physics National Event Supervisors by topic/week:
  • 1 - Introduction, Terms, Ohm's Law
  • 2 - Static Electricity, Conductors, Inductors, Making Measurements
  • 3 - Kitchen Batteries, Series and Parallel Circuits
  • 4 - More Advanced Series and Parallel Circuits
  • 5 - Magnets, Voltage Dividers, Current Dividers
  • 6 - Electric Charge, Fields, Capacitors
  • 7 - Electromagnets and Motors
  • 8 - Motors and Sample Competition
  • 9 - Multiple Sources, Special notation, resistor marking
  • 10 - Kirchoff's Voltage/Current Laws, Wheatstone Bridges, Thevenin's Theorem, Norton's Theorem
  • 11 - Specialty Devices, Dependent Sources, Superposition and Troubleshooting
  • 12 - LEDs, Diodes, and Operational Amplifiers
  • 13 - RC Circuits
  • 14 - PN Junctions
  • 15 - Digital Logic *Not a topic in 2026
• 2019 Homework Generator
• 2019 Circuit/Bread Board Resistors
• Lessons in Electric Circuits
• Intro to Electricity - YouTube video
• Khan Academy - Physics

Science Olympiad Store Materials

• 2027 National Test Packet
• Circuit Lab Ward's Science Kit

Practice Problems & Tests 

• Practice Test - 2026 BullSO Invitational
• Practice Test - 2026 Berkeley Invitational
• Practice Test - 2026 Pembroke Hill Invitational

Event Supervisor Resources

In addition to the resources on the Event Supervisors page, Circuit Lab Event Supervisors should be sure to use the following resources:

• Event Logistics Resource - coming soon!

Career Connections

• US Bureau of Labor and Statistics - Electrical and Electronics Engineers
• US Bureau of Labor and Statistics-Computer Hardware Engineers 
• STEM Session Circuits 
• US Bureau of Labor and Statistics-Electrical and Electronics Installers and Repairers 
• Career One Stop - Electronic Engineers 
• Career Map: Electrical Engineer 
• Career Paths & Advancement for Electrical Engineers