- Switch: Acts like a gate. ON = gate open (current flows). OFF = gate closed (no current).
- Battery: Source of electrical energy.
- LED: Small light that shows current flow (must be connected the right way – long leg = positive).
- Insulation: Protects from shock and prevents short circuits.
Lesson 1: Where Does the Current Go?
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Lesson 2: Wire Me Right!
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Lesson 3: Know the Color Code
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Lesson 4: Check My Circuit!
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Lesson 5: Series vs. Parallel Showdown
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