Why does a bulb only light up when the wire makes a full loop?
Open the story together Take it step by step
Family time
A story to share together
Get comfortable. Make a guess together. See where the story takes you.
Everyone gets a guess. You don’t need to know the answer before you begin.
After the story: things to talk about
- Guess before we close the loop: dim glow or fully dark?
- Where could a hidden break be hiding in a string of lights, and how would we find it?
- Is a light switch adding electricity, or just opening and closing a gap in the loop?
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