ScienceClass 8Health: The Ultimate Treasure

Health: The Ultimate Treasure | Class 8 Science Notes

By ConceptScroll Team · Published on 17 July 2026 · 2 min read

Health: The Ultimate Treasure – this guide gives you a concise, exam-ready overview of Health: The Ultimate Treasure from Class 8 Science, written by ConceptScroll editors and reviewed against the latest NCERT textbook.

How Can We Stay Healthy?

This section focuses on practical ways to maintain good health by adopting a healthy lifestyle. It emphasizes that health depends on multiple factors including diet, hygiene, physical activity, sleep, social interactions, and mental well-being. The section begins by listing essential habits such as eating nutritious food, maintaining personal hygiene, staying in clean surroundings, exercising regularly, getting adequate sleep, managing stress, and avoiding harmful substances like tobacco and alcohol. It encourages students to reflect on their own habits through Activity 3.2, where they list good habits encouraged by elders and identify unhealthy habits they might have. The section highlights the importance of balanced diet rich in fruits, vegetables, and whole grains, and warns against processed, fatty, and sugary foods. Physical activity is stressed as vital for keeping the body fit and preventing lifestyle diseases. Limiting screen time and spending time outdoors in nature is recommended to promote mental and physical health. The section also introduces yoga and pranayama (breathing exercises) as beneficial practices for maintaining calmness and well-being. It strongly advises saying 'No' to smoking, alcohol, and addictive drugs, which harm health. The section concludes by linking lifestyle choices to overall health and well-being, encouraging students to adopt positive habits for a healthy life.

📊 Diagram: Fig. 3.2 shows various ways to stay healthy including eating balanced diet, staying physically active, avoiding smoking and alcohol, managing stress, and getting enough sleep.

🧪 Activity: Activity 3.2: Listing good and bad habits related to health, reflecting on which habits are followed and which should be adopted or avoided.

🔗 Connection: Prepares the ground for the next section on the importance of keeping the environment clean to support health.

Frequently asked questions

Look at Fig. 3.3a and Fig. 3.3b. Which playground would you like to play in, and why?

Most would prefer to play in the playground shown in Fig. 3.3a because it is clean, well-maintained, and looks beautiful. The playground in Fig. 3.3b is polluted, dirty, unhygienic, and full of flies and mosquitoes, which can cause people living in such areas to fall sick more often. Therefore, a clean and healthy environment is better for playing and overall health.

Which of the following best defines health according to the chapter?

Complete state of physical, mental, and social well-being

Which of the following is NOT a symptom of disease?

High blood pressure

Non-communicable diseases differ from infectious diseases because they are usually caused by:

Lifestyle and environmental factors

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