This lecture taught Class 4 students about ways to maintain good health and the importance of a balanced diet. It explained that good health means being physically fit, active, and free from sickness, and it can be maintained through proper hygiene, regular exercise, healthy eating, and enough rest. Students learned that a balanced diet includes all essential nutrients—carbohydrates, proteins, fats, vitamins, minerals, fibre, and water—in the right amounts to help the body grow, stay strong, and fight diseases. The lesson also highlighted the need to eat fresh food, drink clean water, wash fruits and vegetables, avoid junk food, and keep a fixed meal schedule. Key terms discussed included: good health, hygiene, balanced diet, carbohydrates, proteins, fats, vitamins, minerals, fibre, water, nutrients, fresh food, clean water, and junk food.