When Each Section Is Used
A safety data sheet has 16 sections in a fixed order, and five of them answer most questions on the job. Sort each card into the time in the job when you would open the sheet.
- 4First-aid measures
- 6Accidental release (spills)
- 7Handling and storage
- 8Protective equipment
- 13Disposal
Before you start
Storing the product and choosing protective gear.
Tap the bucket where the card belongs. On a computer you can also drag the card.
An exposure or a spill
First aid and cleanup.
After the job
Leftovers and waste.
Which bucket does this card belong in?
Why It Teaches
To sort a card, the student has to recall which section answers it and when in the job it is needed. That is retrieval with feedback, and retrieval builds memory better than reading the list again.
The cards come in mixed order, so each one first asks "what kind of moment is this?" That choice is what interleaving trains. The three buckets give the student the same categories an experienced technician uses.
Every card carries its own "why" for a right drop and its own "no" for a wrong one, so a miss teaches the specific mistake instead of saying "try again".
Principles
Craft note
How It Is Built
This is the course's shared sort, .rsort in lesson-parts.js, running unchanged from the dated snapshot in this site. The lesson writes the cards as data (each card's text, its bucket, its "why" and its "no"), and the script does the rest: drag, keys, taps, the count, the shake and the messages.
The course owner kept this sort from the first rejected proof and made it the standard. An older design, tap a card and then tap a bucket, was rejected as clumsy. In the real lesson the sort has its own page, right after the page that teaches the five sections.