Page 45 - Innovator's Science-8

3. Infectious diseases are caused by pathogens live ___________.
4. The natural ability of our body to fight diseases is known as ___________.

5. Vaccines provide ___________ immunity by training the immune system.

C. State whether the given statements are True (T) or False (F). Problem Solving Skills
1. Vaccines can cure diseases before a person become sick.
2. Clean surrounding can reduce the spread of communicable diseases.

3. Stress can negatively affect both mental and physical health.
4. We should keep our surrounding clean.
5. Some infection diseases are caused by worms that live inside our bodies.

D. Match the following.
1. Typhoid a. Virus (influenza)

2. Dengue b. Bacteria
3. Flu c. Virus (vancella-zoster)
4. Chickenpox d. Protozoa
5. Malaria e. Virus (transmitted by mosquito)

E. Short answer type questions. Decision-making Skills

1. List any two factors that affect our mental health.
2. Name one communicable disease caused by a virus.
3. What is the purpose of a vaccine?
4. What is dinacharya in Agurveda?

5. What is vector in the contented diseases?

F. Long answer type questions. Critical Thinking Skills
1. Explain how stress can affect your health.
2. Describe two ways to prevent the spread of the flu.

3. What are the signs and symptoms of diabetes?
4. How can a clean environment improve health?
5. Explain the role of immune system in fighting diseases.

Project Ideas Exploration

1. Maintain a health diary for least a month to track hygiene, exercise, sleep, and emo onal state.

2. Have a class debate on ‘Vaccines are essen al for good health’.

Life Skills Inference

• During What was the role of the Indian scien st Suhi Solomou in the field of health and diseases.

Enhance your Life Skills Mental Development

• Invite a doctor to the school. Students may be encouraged to interact with the doctor on the issues
of malnutri on, under-nutri on, and over-nutri on.

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Science-8