# 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.



<details>
<summary>Grown-up help</summary>

**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](../lessons/day-39.html). This is ordinary practice, not a held assessment source.

[Checked process facts and limits](../references/PRIMARY-READING.html) · F1/F4

</details>