Key Words and Meanings - Year 9 Food & Nutrition
  • Healthy Eating & Food Preparation
    Healthy, balanced dieta diet that contains the correct proportions of carbohydrates, fats, proteins, vitamins, minerals and water necessary for good health, to grow properly, be active and maintain a healthy body. 
    Dietthe food that you eat every day. There are also special diets (e.g a low-fat diet, a calorie-controlled diet, a vegetarian diet). 
    Life stagesPhases of development that people go through during their life, such as infancy (babyhood), childhood, adolescence (teenagers), adulthood and the elderly.  
    Kilocalorie (kcal)/kilojoule (kunits used to measure energy 
    Energy densea food that contains lots of fats and/or carbohydrate and has a high energy value 
    Modifychange something in a recipe e.g. an ingredient or cooking method to make it more suitable for current guidelines for a healthy diet 
    Malnutritionhaving a diet that is not balanced 
    Heat transferthe way in which heat energy is passed into food 
    Conductiontransferring heat through a solid object into food 
    Convectiontransferring heat through a liquid or air into food 
    Radiationtransferring heat by infra-red waves that heat up what they come in to contact with 
    High-risk foodsfoods that are more likely to cause food poisoning than others 
    Sensory qualitiescharacteristics of a food that give it a particular appearance. Flavour texture, ‘mouthfeel’ (what it feels like, not what it tastes like, when you put it in your mouth) aroma (smell) and sound (some foods are crunchy, crispy or crackly and make a sound 

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