Browse topics

Curriculum

Explore all 1,590 open curriculum concepts.

Advanced filters
ScienceOrganisms & Life ProcessesAges 11–13

Diet Imbalance & Deficiency

Explain the health consequences of an imbalanced diet including obesity (excess energy), starvation (severe energy deficit), and deficiency diseases (lack of specific nutrients, e.g. scurvy, rickets)

Lesson

Set out your lesson

Distinguish energy shortage from a specific nutrient deficiency without diagnosing anyone.

Before teaching

Activity

Ask the learner to explain one prerequisite idea before starting. If uncertain, revisit it; graph order is not learner readiness.

Policy

Check readiness rather than assuming source graph order establishes attainment.

Printer, credit, and teaching notes
Instructions

Use general concept cards only; no learner food log, weight, body comparison or symptom checklist. Questions about a person’s health belong with a qualified professional.

No Printer

Use the supplied stage cards on screen or scrap paper; adult key stays separate.

Materials are ready in each step. Use them on screen or print just the current step. Put teaching examples aside before the learner tries.

Next: Show

Adult extras
What this lesson covers and its limits

These are bounded opportunities, not learner attainment. Partial and blocked source requirements remain so.

  • partial: Explain the health consequences of an imbalanced diet including obesity (excess energy), starvation (severe energy deficit), and deficiency diseases (lack of specific nutrients, e.g. scurvy, rickets)

    Bounded objective: Distinguish energy shortage from a specific nutrient deficiency without diagnosing anyone. Obesity source framing is incomplete; multifactorial condition not reduced to moral choices or diagnosed here. Starvation/obesity definitions and personal risk estimates not fully assessed. Primary ODS search excerpts only; full-page 403 retained.

  • partial: Defines obesity, starvation, and deficiency disease and links each to dietary imbalance

    Energy shortage versus specific nutrient deficit only; obesity complexity limits full definition clause.

  • partial: Identifies at least two specific deficiency diseases and the missing nutrient causing each

    C/scurvy and D/rickets associations supplied as general education, not diagnosis.

  • partial: Explains why the impact of poor diet can be long-term

    Over-time harm mentioned, not individual prognosis or complete mechanism.

  • partial: If {{name}} heard about conditions like obesity or vitamin deficiency diseases, could they explain how eating too much, too little, or the wrong mix of foods leads to those health problems?

    Try offers taught-content-reasoning for the bounded objective; it does not establish every part of the source assessment. Obesity source framing is incomplete; multifactorial condition not reduced to moral choices or diagnosed here. Starvation/obesity definitions and personal risk estimates not fully assessed. Primary ODS search excerpts only; full-page 403 retained.

  • Obesity source framing is incomplete; multifactorial condition not reduced to moral choices or diagnosed here. Starvation/obesity definitions and personal risk estimates not fully assessed. Primary ODS search excerpts only; full-page 403 retained.

Share teaching feedback

Continue learning
Share and support
Compare teaching approaches

Teaching approaches

Gakuva’s recommended starting approach is selected. You can still compare every option.

1 approach

Selected Default Gakuva

Distinguish energy shortage from a specific nutrient deficiency without diagnosing anyone.

Distinguish energy shortage from a specific nutrient deficiency without diagnosing anyone.

Family records and proof options

Keep a record of your learning

Save photos, notes, and attendance. Export a proof packet for compliance or portfolio reviews.

Learning resources

Extra practice links — they do not replace Gakuva’s teaching approach.

BBC Bitesize · Practice link — not the full lesson

Living organisms

Open practice (new tab)
Before you open · source notes

Living organisms supports Diet Imbalance & Deficiency. An adult previews and guides; this is a learning page, not a scored quiz.

Free educational page, no sign-in required for the tested path.

Before you open

Ask the learner one fact they learned and one question they still have.

Opening this link does not save learning or assess mastery.

Source, access and review notes

Public BBC Bitesize page. An anonymous GET on 2026-11-12 returned HTTP 200 with no login or payment prompt for this URL. Opening the link does not save practice or assess mastery. An adult should preview and guide the learner.

BBC Bitesize. “Living organisms.” External page; Gakuva does not copy, host, embed, or redistribute materials.

Unknown — link only

Check understanding

  • Defines obesity, starvation, and deficiency disease and links each to dietary imbalance
  • Identifies at least two specific deficiency diseases and the missing nutrient causing each
  • Explains why the impact of poor diet can be long-term
“If your child heard about conditions like obesity or vitamin deficiency diseases, could they explain how eating too much, too little, or the wrong mix of foods leads to those health problems?”

Curriculum record

Type
Conceptual
Subject
Science
Domain
Organisms & Life Processes
Age range
Ages 11–13

Standards

uk-nc-2013:KS3.Sci.Bio.Nutrition.3