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The Mystery Outside the Wire: How Electricity Really Travels
by MonaWhen a switch flips, a lamp lights at once, even though the tiny charges inside the wire barely move. This series helps young learners follow clues, from crawling charges to twitching compasses, to discover for themselves where electric energy really travels and why we still need wires.
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The Invisible Energy Path
Lesson 1
The Snail in the Copper
Flip the switch and the lamp lights in no time — but wait until you find out what the tiny bits inside the wire are actually doing.
StartLesson 2
The Mystery of the Unbroken Circle
Every single charge that enters a glowing bulb comes right back out. What actually got delivered?
Locked till you take the prior lessonLesson 3
The Ghost Around the Metal
Bring a compass near a circuit without touching the wire, and the needle twitches. What lives outside the metal?
Locked till you take the prior lessonLesson 4
Where Energy Really Travels
The charges crawl, yet the bulb glows at once. Follow the clues to find which path the energy takes.
Locked till you take the prior lessonLesson 5
Why Keep the Wire?
If the wire isn't the whole story, could we get rid of it? Test your idea against what happens.
Locked till you take the prior lessonReview and assessment
Lesson 6
Test: The Mystery Outside the Wire: How Electricity Really Travels
Review the course ideas by applying them to new situations, with kind feedback after every answer.
Locked till you take the prior lesson