Diet Imbalance & Deficiency
CONCEPTUALExplain 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)
Mastery Evidence
- 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
Assessment Prompt
“If [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 Standards1 alignment
KS3.Sci.Bio.Nutrition.3The national curriculum in Englandthe consequences of imbalanced diets, including obesity, starvation and deficiency diseases
Prerequisites1
- Nutrients in a Healthy DiethardAges 11—13
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- Nutrients in a Healthy Diet hard
Understanding imbalanced diet consequences requires knowing what a balanced diet looks like
- Animal Nutrition hard
KS3 detailed diet components extend KS2 understanding that animals need the right nutrition
- Herbivores, Carnivores & Omnivores soft
Carnivore/herbivore/omnivore classification supports understanding nutrition differences
- What Living Things Need hard
Must know basic survival needs before learning about nutrition types and food groups
- Living Things Vocabulary soft
Describing what plants and animals need to survive uses life processes vocabulary: nutrition, growth, sensitivity
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