Grade 11 — Complete Introductory Study Notes
Subject: Family and Consumer Sciences / Home Economics
Level: High School — Grade 11
Purpose: Learning, Revision and Exam Preparation
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1. Introduction to Home Economics
Home Economics is the study of how individuals and families manage resources, maintain
health, make informed consumer decisions, and improve their quality of life.
It combines practical skills with knowledge from nutrition, economics, family studies, health,
textiles, and household management.
Importance of Home Economics
- Promotes healthy eating habits.
- Develops budgeting and money-management skills.
- Encourages safe food preparation and storage.
- Helps individuals make informed purchasing decisions.
- Improves household organization and resource management.
- Encourages responsible and sustainable living.
2. Nutrition and a Balanced Diet
Nutrition is the process by which the body obtains and uses nutrients from food for energy,
growth, repair, and normal functioning.
The Six Essential Nutrient Categories
1. Carbohydrates
- Main source of energy for the body.
- Sources: rice, bread, potatoes, oats, and fruit.
- Whole grains can provide fiber as well as carbohydrates.
2. Proteins
- Support growth and tissue repair.
- Sources: eggs, beans, lentils, fish, meat, tofu, and dairy products.
3. Fats
- Provide concentrated energy.
, - Help the body absorb vitamins A, D, E, and K.
- Sources: nuts, seeds, oils, avocados, and fatty fish.
4. Vitamins
- Support processes such as immunity, vision, and normal body functioning.
- Examples: vitamin C supports collagen formation; vitamin D helps the body absorb
calcium.
5. Minerals
- Inorganic nutrients required for various body functions.
- Calcium supports bones and teeth.
- Iron helps form hemoglobin, which carries oxygen in the blood.
6. Water
- Helps regulate body temperature.
- Transports nutrients and supports digestion.
- Replaces fluids lost through normal bodily processes.
Characteristics of a Balanced Diet
A balanced diet supplies the nutrients and energy a person needs in appropriate amounts.
It should include:
- A variety of fruits and vegetables.
- Whole grains and other fiber-rich foods.
- Protein-rich foods.
- Appropriate sources of dairy or fortified alternatives.
- Healthy sources of fats.
- Adequate fluids.
Nutritional needs vary with age, activity, health, and individual circumstances.
Key Terms
- Nutrient: A substance needed for growth, energy, or normal body functioning.
- Malnutrition: Poor nutrition caused by insufficient, excessive, or unbalanced nutrient intake.
- Deficiency: A shortage of a particular nutrient.
- Dietary fiber: The parts of plant foods that support digestive health.
3. Food Safety and Hygiene
Food safety refers to practices that prevent food contamination and foodborne illness.
Four Basic Food Safety Principles