Two teams, two readingsYear 4 Science · T1 W7–8 · Contexts / C14 · Text version

Source review complete · local suitability still needs review.

Made-up practice story.

The first made-up record has R10 mL; a second matched group's record has R5 mL. Give a cautious comparison and a further 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:** The supplied readings differ by 5 mL. Ask whether reading procedure, instrument increments and matched conditions were checked. The data do not establish which cause explains the difference. [Complete Day 37 plan](../lessons/day-37.html). This is ordinary practice, not a held assessment source. [Checked process facts and limits](../references/PRIMARY-READING.html) · F1

About this resource

Reviewed source edition

Source review is complete for this two-week edition. Local suitability and classroom use still need review. Earlier candidate or pending-review words are retained in the original files; full-year coverage, translations and audio are not claimed.

Exact source: 3531c059f44c934e1a70c6cde632792baa000c31 · 2026-10-09. Source edition, roles and hashes

Complete source and rights notices

Keep these full notices with copies of this resource. Learning text, software, art and outside sources keep their own terms.

Source: https://neuroforge.io/subjectnest/library/resources/year-4/science/term-1/weeks-07-08/contexts/C14-markdown · SubjectNest by NeuroForgeIO Pty Ltd · Keep the complete source and licence companions; item rights remain separate.