A younger visitor
Made-up practice story.
A made-up younger visitor asks why a puddle gets smaller. Choose a two-card explanation and one limit that answers that question.
Make something useful
Use a small caption, arrow model, table or spoken explanation for this exact question. Keep the supplied story beside you.
Grown-up help
Worked practice: Liquid water can evaporate into invisible vapour. This model explains a possible process; it does not measure the puddle's loss or rule out soaking/draining. A three-page poster is not necessary.
Complete Day 39 plan. This is ordinary practice, not a held assessment source.
Checked process facts and limits · F1/F4