By Elimu Assistant Team 
GRADE 7 HOME SCIENCE NOTES REVIEW
1. Food Nutrients
- Definition: Nutrients are essential substances in food that our bodies need for functioning.
- Importance: Nutrient requirements vary by age, growth stage, and activity level.
2. Role of Home Science in Contemporary Life
- Managing Home Life: Advances in health, nutrition, and management skills are crucial for effective household management.
- Use of Services: Understanding and utilizing modern services and technologies is essential for homemakers.
- Economic Necessities: Balancing domestic and professional duties is increasingly important as more women work outside the home.
- Family Affairs Management: Home science helps address rising family issues and improves relationships.
- Healthier Living: It promotes family health and well-being through better understanding of relationships and responsibilities.
- Family Life Education: Encourages the development of values and responsibilities within the family unit.
3. Nutrient Conservation
- Loss of Nutrients: Nutrient loss begins during food preparation and is exacerbated by cooking.
- Guidelines for Cooking:
- Wash vegetables before cutting.
- Use minimal water and avoid long cooking times.
- Cook with skins on when possible.
- Use methods like steaming and pressure cooking to retain nutrients.
4. Cooking Techniques
- Blanching and Parboiling: Techniques to preserve color, texture, and nutritional value of vegetables.
- Cooking Methods: Various methods such as boiling, steaming, and frying have different impacts on nutrient retention.
5. Food Enrichment and Fortification
- Fortification: Adding micronutrients to food to prevent deficiencies.
- Supplementation: Providing concentrated nutrients to individuals to address specific deficiencies.
- Differences: Fortification is a broader public health strategy, while supplementation targets specific groups.
6. Kitchen Tools and Equipment
- Essential Tools: Includes knives, peelers, whisks, and small electrical appliances.
- Care: Proper cleaning and maintenance are essential for longevity and performance.
7. Importance of Nutrient Conservation
- Benefits: Reduces food waste, extends shelf life, adds variety, and helps mitigate dietary deficiencies.
