What this lesson teaches
Electric circuits.
Build series and parallel circuits on cardboard!
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Electric circuits.
Physical circuit building develops mental models of current flow that diagrams alone cannot create. Students who build both circuit types can explain and predict circuit behaviour in novel configurations — the mark of conceptual understanding rather than memorised facts.
1. Build series circuit. 2. Remove one bulb. 3. Observe. 4. Build parallel. 5. Compare.