Complete Circuits

NEON GRID CITY · SPARKLING

Complete Circuits

Circuit Alley

Learn with Sparkling, then use your clues in the adventure. Pause whenever you need time to read or think.

Speech bubbles tell the story. Music and sound effects are optional; use the player’s volume control.

Train more: lesson transcript and free resources

Sparkling — Complete Circuits Circuit Alley

Hi!

I'm Sparkling.

Welcome to Circuit Alley!

Will you help me investigate complete circuits?

The Grumblies have mixed up our clues.

Let's check the evidence!

A simple battery circuit needs a complete conducting path through the load

and back to the source.

A break can stop current in that path.

What does the simple circuit need?

  • A. Only a wire near a lamp
  • B. A complete path
  • C. A path ending before the source return

The answer is B: A complete path

A simple battery circuit needs a complete conducting path through the load

and back to the source.

A break can stop current in that path.

That clue helps us make sense of this place.

A diagram helps trace continuity.

A line that almost touches is still a gap in the model.

What is the fault in our diagram?

  • A. A gap
  • B. The color of the lamp label
  • C. Its title

The answer is A: A gap

Our lamp diagram has a gap in one connecting line.

Closing that modeled gap completes the route through the lamp;

drawing an unrelated line elsewhere does not.

Hmm...

how does that connect to our first clue?

Our lamp diagram has a gap in one connecting line.

Closing that modeled gap completes the route through the lamp;

drawing an unrelated line elsewhere does not.

Which model repair addresses it?

  • A. Add a disconnected decorative line
  • B. Repaint the gap without connecting it
  • C. Close the indicated gap

The answer is C: Close the indicated gap

A diagram helps trace continuity.

A line that almost touches is still a gap in the model.

Nice investigating!

You've been following the evidence.

Let's bring our clues together before the adventure.

A simple battery circuit needs a complete conducting path through the load

and back to the source.

A diagram helps trace continuity.

Our lamp diagram has a gap in one connecting line.

You're ready to explore Circuit Alley with me!

Choose TRAIN MORE if you'd like another look at the clues.

Choose START ADVENTURE when you're ready.

I'll be right here!

Or choose BACK TO MAP.

Every stop is open to explore!

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