assessmentHow to Grade Hands-On Circuit Projects
Grade hands-on circuit projects with a fair rubric for function, wiring, measurement evidence, troubleshooting, explanation, and revision.
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Teaching notes, project walkthroughs, and hands-on electronics guides from Gary and the Mr Circuit team.
14 posts
Updated Jul 22, 2026
circuitsOhm's Law in One Class Period: A Teacher's Walkthrough
Teach Ohm's law in one 45-minute class with a low-voltage circuit, prediction and measurement table, LED resistor example, and exit ticket.
beginner electronicsHow to Explain Transistors as Electronic Switches
Learn how to explain a transistor as an electronic switch with beginner-friendly language, simple circuit examples, and a teacher-ready demo.
beginner electronicsWhat Is a Potentiometer? Simple Student Guide
Learn what a potentiometer is, what its three pins do, and how to explain adjustable voltage and resistance in a beginner circuit...
beginner electronicsWhat Is an LED? Simple Student Guide
Learn what an LED is, how it makes light, why polarity and resistors matter, and how to teach LEDs safely in beginner...
beginner electronicsWhat Is a Capacitor? Simple Student Guide
Learn what a capacitor is, how it stores and releases energy, and how to explain polarized and non-polarized capacitors in beginner circuits.
beginner electronicsWhat Is a Diode? Simple Explanation for Beginners
Learn what a diode is, how it lets current move one way, and why LEDs, reverse polarity protection, and beginner circuits depend...
beginner electronicsWhat Is a Schematic Diagram? Beginner Circuit Guide
Learn what a schematic diagram is, how circuit symbols and lines work, and how to teach beginners to read simple electronics drawings.
beginner electronicsElectrical Energy vs Electrical Power: Simple Circuit Guide
Learn the difference between electrical energy and electrical power with simple circuit examples, classroom language, and easy watt vs watt-hour comparisons.
beginner electronicsWhat Is Polarity in Electronics? Student-Friendly Guide
Learn what polarity means in electronics, which beginner parts are polarized, and how to teach plus, minus, anode, and cathode safely.
beginner electronicsWhat Is a Short Circuit? Simple Student Explanation
Learn what a short circuit is, why it causes too much current, and how to explain it safely with simple classroom circuit...
circuitsWhy Troubleshooting Belongs in Every STEM Lesson
Learn why troubleshooting belongs in every STEM lesson and how it builds problem solving, evidence use, student confidence, and real engineering habits.
beginner electronicsOpen Circuit vs Closed Circuit
Learn the difference between an open circuit and a closed circuit with simple examples, classroom language, and a quick troubleshooting checklist.