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Week 12: Can This Go Back Into a Loop? (How to Close an Open Loop)

Unit 4: Better System Shapes

This Week's Big Question

What would help this material go back into a useful loop?

This week turns design into a sorting game. Children handle ordinary objects and ask whether each one can safely return to soil, needs a factory to become useful again, or is hard to loop because it is mixed, dirty, glued, or unsafe.

Kid Version in One Sentence

Waste is a clue that something may be missing a return path.

You'll Discover

  • why some materials loop back more easily than others
  • how sorting reveals design clues
  • how a hard-to-loop item might be redesigned to work better
Grown-up Note
  • Keep the redesign tone practical, not moral.
  • Sorting is the main teaching tool this week.
  • Sessions are designed for about 20 minutes. Use the Short Path when you only have 15-20 minutes. Extra Challenge options can stretch closer to 25-30 minutes.

Common Kid Misconceptions

  • Misconception: "If it goes in a recycling bin, the problem is solved." Response: "A bin is only one step. The whole return path still has to work."
  • Misconception: "Anything natural can safely go anywhere outside." Response: "The right return path still matters."
  • Misconception: "Mixed and glued materials are just as easy to loop as simple ones." Response: "Usually they are harder to separate and reuse."

Week at a Glance

Session lengthAbout 20 minutes
Prep timeAbout 10 minutes
Materials8-12 clean sample objects or picture cards, paper or signs for three bins, markers, Systems Log
SafetyUse clean objects only; avoid sharp metal, broken glass, or chemical containers
Core vocabularysort, soil loop, factory loop, hard-to-loop, redesign
Older learner wordsbiological nutrient, technical nutrient, cradle-to-cradle, industrial symbiosis

Core Vocabulary

WordKid-friendly meaning
sortTo group things by a rule
soil loopA return path that can safely go back to nature
factory loopA return path that needs tools or machines to become useful again
hard-to-loopDifficult to return because it is mixed, dirty, glued, or unsafe
redesignTo change something so it works better

Short Path for Younger Learners

  • Sort a small set of clean objects into three bins.
  • Draw the three bins.
  • Pick one hard-to-loop item and imagine one better change.
  • Add the Systems Log with a labeled drawing.

Success looks like: the child can explain why different materials need different return paths.

Extra Challenge for Older Learners

  • Compare why some loops need factories while others can return to soil.
  • Notice how mixed materials and dirtiness weaken a return path.
  • Sketch a redesign that makes a hard-to-loop item easier to separate or reuse.

Read-Aloud Opening

"Today we are testing return paths. Some things can safely go back into nature. Some need a factory to become useful again. Some are hard to loop because they are mixed together or messy. We are going to sort them and ask what design clues they give us."

The Three Bin Idea

  • Nature-loop materials: can safely go back to soil
  • Factory-loop materials: need a factory or tool system to become useful again
  • Hard-to-loop materials: mixed, dirty, glued, or unsafe

Guided Session 1: Sort the Objects

Time: 20-25 minutes

Materials: clean objects, three signs or papers, markers

Safety note: Do not use broken, sharp, or dirty items.

Setup: Label three spaces: Soil Loop, Factory Loop, Hard-to-Loop.

Activity steps:

  1. Place one object at a time in the middle.
  2. Ask which return path fits best.
  3. Explain the choice in one simple sentence.
  4. Notice any object that could fit only with special conditions.

What to ask:

  • What makes this item easy or hard to loop?
  • Does it belong in soil, a factory, or neither right now?
  • What part of the object causes trouble?

Draw It: Draw the three bins and sketch one object in each.

Talk About It:

  • Which object was easiest to sort?
  • Which object was hardest?
  • What material clues helped you decide?

What success looks like: The child can give a reason for at least three sorting choices.

Guided Session 2: Redesign One Hard-to-Loop Item

Time: 20-25 minutes

Materials: paper, markers, Systems Log

Setup: Pick one item from the hard-to-loop pile.

Activity steps:

  1. Name what makes the item hard to loop.
  2. Change one design feature: fewer mixed materials, less glue, clearer parts, or easier cleaning.
  3. Draw the old version and the better version.
  4. Explain which return path got stronger.

What to ask:

  • What is the biggest problem with the current design?
  • What one change would help most?
  • Would your change help the soil loop, the factory loop, or reuse?

Draw It: Draw the old item and a redesigned version with an easier return path.

Talk About It:

  • Which redesign idea is realistic right now?
  • Which redesign would cost more time or effort?
  • How can a small design change make a big systems difference?

What success looks like: The child can propose one clear redesign idea for a hard-to-loop item.

Systems Log

Use this simple entry:

What I noticed:
What moved:
Where it came from:
Where it went:
My drawing:
One question I still have:

Helpful prompts for this week:

  • What I noticed: "This item was hard to loop because..."
  • What moved: "The item could return through..."
  • Where it went: "The better path would send it to..."
  • My drawing: three bins and one redesign

Systems Thinking Move

An environmental system is made of connected parts. When one part changes, other parts may change too. Some changes are quick. Some changes take time. Some effects are easy to see, and some are hidden.

Learner questions:

  • What parts are in this system?
  • What moves through the system?
  • What happens next?
  • What might happen later?
  • What part of the system could we change safely?

Simple examples:

  • food scraps -> compost -> soil -> plants
  • litter -> storm drain -> waterway -> habitat

Environmental Checkpoint

When a package, product label, or recycling message makes a claim, learners can ask:

  • What system is involved?
  • What claim is being made?
  • What evidence, observations, or examples are shown?
  • What might be missing or left out?
  • What should I check before I trust or repeat this claim?

Who Is Affected?

Some communities have composting, refill options, or recycling access. Some do not. Some apartments, schools, libraries, or shared buildings have strong return paths, and some do not.

  • Who is affected when a return path is hard to use?
  • Who benefits when the system is simpler and cleaner?
  • Does everyone have the same choices or services?
  • What would make the solution fairer, safer, or easier to use?

Engineer Corner

Older learners and facilitators can place the design language here.

  • Biological nutrient and technical nutrient belong here as formal terms.
  • Cradle-to-cradle, industrial symbiosis, and detailed recycling-rate comparisons also belong here.
  • A strong return path is easy to understand, easy to use, and matched to the material.