Free STEM + AI learning resources · Ages 9–13

One machine. A thoughtful 30-minute lesson.

A ready-to-run companion session for teachers, librarians, homeschool groups and families. No book purchase, special equipment, login or child AI account is needed.

What is inside?

• A 30-minute facilitator plan with timings, materials and safety boundaries.
• A worked refrigerator example using Notice, Trace, Explain, Imagine and Question.
• Discussion questions, a reasoning checklist and an exit ticket.
• The four-page AI Inventor Challenge, including printable student worksheets and an adult guide.

Prepare in five minutes

Print one set of student worksheets per learner or pair. Bring pencils and blank paper. Use the supplied refrigerator explanation; no working appliance is necessary. Read the worked example and safety notes before starting.

Invite students to distinguish evidence from guesses, compare a simpler option with an AI proposal, and explain who remains in control. “Do not add AI” is a legitimate conclusion.

Designed for discussion, not product experiments

Keep all failure scenarios on paper. Do not open or modify machines, change appliance settings, block ventilation, test safety devices, or interrupt power and networks. If you use an optional AI extension, an adult operates an appropriate service using invented examples only. The complete session works without it.

Print and share

Families, teachers and librarians may print and share the unchanged pack for noncommercial learning with its attribution and safety guidance intact. This permission does not cover reproducing the book’s interior or cover, removing attribution, selling the pack, or implying an endorsement.

This is original companion material, not a report of classroom testing, a standards certification, or a promise of measured learning outcomes.