1. NAME OF THE TEACHER : SHARI.K.S
NAME OF THE SCHOOL :
SUBJECT : BIOLOGY
UNIT : Chemical Changes in food
LESSON : Nutritional Deficiency Diseases.
CLASS : IX
DIVISION :
STRENGTH :
DURATION : 45 minutes
DATE :
CURRICULAR STATEMENT
Develops different dimensions of knowledge, attitude & skills on experiment to study the nutritional deficiency diseases through group discussion, demonstration, role play..etc
CONTENT ANALYSIS
TERMS
Nutrition, Nutritional deficiency diseases, goiter, kwashiorkor, marasmus, rickets
2. FACTS
1. Deficiency of any of the essential nutrients in our diet is called nutritional deficiency.
2. Deficiency of Iodine causes goiter.
3. Kwashiorkor is a protein deficiency disease in children.
4. Deficiency of Vit D causes rickets in children.
MINOR CONCEPT
1. The lack of nutrients in the food causes nutritional deficiency diseases.
2. The important nutrients present in the food include proteins, fats, vitamins, carbohydrates & minerals.
3. Deficiency of protein in diet causes marasmus & kwashiorkor.
4. Deficiency of vitamin D causes rickets & iodine deficiency causes goiter.
MAJOR CONCEPT
The deficiency of nutrition in food affect the physical & mental health of human.
LEARNING OUTCOME
Enables pupil to develop
-factual knowledge on nutrition deficiency diseases through
i. Recalling new terms like nutrients, Vitamins, minerals, carbohydrates, fats, protein, marasmus, kwashiorkor, goiter, rickets..etc.
ii. Recognizing the presence of nutrients in various foods.
iii. Explaining the symptoms of nutritional deficiency
3. disease.
-conceptual knowledge about the nutritional deficiency disease through.
(i) Recalling the importance of nutrients.
(ii) Recognizing the absence of nutrients in junk food
(iii) Explaining the symptoms & causes of nutritional deficiency diseases.
-procedural knowledge on the nutritional deficiency diseases through
(i) Analyzing different types of nutritional deficiency diseases.
(ii) Observing the symptoms of nutritional deficiency diseases.
-Scientific attitude towards nutrient deficiency through
(i) Knowing more & more about the relevance of nutrients in healthy life.
(ii) Curious to know more about deficiency of nutrients & their after effects.
-Process skills like
(i) Observing the symptoms of nutritional deficiency
4. diseases.
(ii)Differentiating the different nutritional deficiency diseases in humans.
PRE REQUISITES
Diseases which are caused by the deficiency of nutrients are known as nutrition deficiency diseases.
TEACHING LEARNING RESOURCES
Paper cutting of nutrition deficiency diseases.
Instruction cards containing discussion points.
Text book, Std IX SCERT
REFERENCES
SCERT TEXT BOOK FOR STANDARD IX
TEACHERS HANDBOOK
Classroom Interaction Procedure
Expected Pupil Activity
INTRODUCTION
A conversation between Appu & his grandmother who went to see the science exhibition is given below.
5. Grandma, look at this picture. These people have staring eyes, lean legs & protruding belly. What is it?
Appu
It is because they are malnourished & lack nutrients in diet.
Grandma
6. Did you notice the above conversation? What according to the grandmother is the reason for various diseases? So today we shall discuss about malnutrition, nutritional deficiencies & their symptoms etc.
ACTIVITY-I
Power point presentation containing pictures & information about nutritional deficiency diseases are shown to the students. Based on information, students are asked to find answers to questions given in the instruction card.
Teacher also shows a diagram showing heart located in the human body
7. Discussion points
1.Where in the human body is heart located?
2.What is the shape of human heart?
3.What is the size of heart?
4. What is the name of covering of heart?
5. How many chambers are there for the heart?
1.Between the lungs with an inclination to the left
2.Conical
3. Size of the persons fist
4. Pericardium
5 Four
CONSOLIDATION
1. Heart is located between the lungs with an inclination to the left
2. Heart is conical in shape
3. It will have the size of person’s fist
4. The covering of the heart is the pericardium
5. The heart has four chambers
ACTIVITY 2
Teacher shows a video showing the structure of heart. Students are asked to observe the video carefully and find answers to discussion points
8. Discussion points
1.Which blood vessel carries blood away from heart to various parts of body?
2.Which blood vessel carries blood towards lungs?
3.Which is the only artery that carries impure blood?
4. Which blood vessel carries pure blood from lungs to heart?
1. Aorta
2. Pulmonary artery
3. Pulmonary artery
4. Pulmonary vein
9. Consolidation
Aorta is the vessel that carries blood away from heart to body systems
Pulmonary artery carries blood towards the lungs
Pulmonary artery is the only artery that carries impure blood
Pulmonary vein carries blood towards the heart from lungs
REVIEW
QUESTIONS
What is the shape of heart?
Where is the heart located?
Which is the protective covering of the heart?
Which blood vessel carries blood from heart to various body parts?
Which is the only artery in the human body that carries impure blood?
Which is the only vein that carries pure blood?
Which is the top right chamber of the heart?
10. ACTIVITY
Students are given paper cuttings containing unlabelled diagram of heart and asked to label parts
FOLLOW-UP-ACTIVITY
Prepare a report on the significance of heart in the human body
