1 of 1 ·Where Does It Come From?

Lesson 1 · Systems and Ripple Effects
Trace the people, materials and steps behind an everyday service.
Click to zoomIllustration supporting A system turns inputs into outcomesFood, water, waste and transport reach us through connected people, resources, rules and actions. A system map makes hidden dependencies visible.
The glass depends on a source, treatment, pumps, pipes, electricity, workers, testing, household storage and drainage. A failure at one step can affect every step after it.
3 more parts in this lesson
Walkthroughs, code labs, mini-games and the checkpoint quiz unlock when you buy the course.