Sci 02 ncert_gr6_need to take different varieties of foods
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Components of Food
Need to Take Different Varieties of Food
Learning Objectives:• To make them understand the need to
eat different varieties of food
Learning Outcome:• Pupil lists out the sources for various
food items based on the nutrients.• Pupil names the vitamins and minerals
present in food items on seeing them
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Components of Food
Need to Take Different Varieties of Food
Can you name the nutrients present in food?
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Components of Food
Need to Take Different Varieties of Food
Carbohydrates, Protein, Fats, …..
Carbohydrates
Proteins
Fats
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Components of Food
Need to Take Different Varieties of Food
…. Vitamins, Minerals, Water and Roughage.
Water
Minerals
Roughage
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Components of Food
Need to Take Different Varieties of Food
How these nutrients play an important role in our body?
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Components of Food
Need to Take Different Varieties of Food
They help us to grow, give energy to carry our work, keep active throughout etc.
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Components of Food
Need to Take Different Varieties of Food
Rice Wheat
Sources of carbohydrates- plant source
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Components of Food
Need to Take Different Varieties of Food
Ragi
Cornflakes
Oats
Sources of carbohydrates- plant source
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Components of Food
Need to Take Different Varieties of Food
Sweet potato
WheatSugarcane
Papaya
Sources of carbohydrates- plant source
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Components of Food
Need to Take Different Varieties of Food
Banana Corn
Sources of carbohydrates- plant source
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Components of Food
Need to Take Different Varieties of Food
Potato Baby corn
Sources of carbohydrates- plant source
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Components of Food
Need to Take Different Varieties of Food
They give energy. So carbohydrates are called as energy giving foods.
EnergyEnergy
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Components of Food
Need to Take Different Varieties of Food
There are two major sources of fats – plant source and animal source.
Source of Fat
Plant Source Animal Source
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Components of Food
Need to Take Different Varieties of Food
Plant sources of Fat
Ground nuts Cashew nuts
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Components of Food
Need to Take Different Varieties of Food
Plant sources of Fat
Almond Pista
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Components of Food
Need to Take Different Varieties of Food
Plant sources of Fats
Coconut oil Soya bean oil
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Components of Food
Need to Take Different Varieties of Food
Plant sources of Fats
Sunflower OilSunflower Oil
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Components of Food
Need to Take Different Varieties of Food
Animal sources of Fat
MilkMilk CreamCream
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Components of Food
Need to Take Different Varieties of Food
ButterButter GheeGhee
Animal sources of Fat
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Components of Food
Need to Take Different Varieties of Food
Fats are also called energy giving food.
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Components of Food
Need to Take Different Varieties of Food
There are two major sources of proteins – plant source and animal source.
Source of Protein
Plant Source Animal Source
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Components of Food
Need to Take Different Varieties of Food
Plant sources of Protein
PeasPeas SoyaSoya
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Components of Food
Need to Take Different Varieties of Food
BeansBeans Thoor dalThoor dalPlant sources of Protein
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Components of Food
Need to Take Different Varieties of Food
Moong dalMoong dal Chenna dalChenna dal
Plant sources of Protein
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Components of Food
Need to Take Different Varieties of Food
Urud dalUrud dal PulsesPulses
Plant sources of Protein
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Components of Food
Need to Take Different Varieties of Food
Animal Sources of Protein
EggsEggs MilkMilk
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Components of Food
Need to Take Different Varieties of Food
PaneerPaneer MeatMeat
FishFish
Animal Sources of Protein
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Components of Food
Need to Take Different Varieties of Food
How the intake of above items does help our body?
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Components of Food
Need to Take Different Varieties of Food
Helps in growth and repair of cells. Since they help in growth they are called BODY BUILDING FOODS.
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Components of Food
Need to Take Different Varieties of Food
Vitamin - A
FishFish CarrotsCarrots
MilkMilkEgg YolkEgg Yolk
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Components of Food
Need to Take Different Varieties of Food
Ripened MangoesRipened MangoesYellow PumpkinsYellow Pumpkins
PapayaPapayaPineapplePineapple
Vitamin - A
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Components of Food
Need to Take Different Varieties of Food
PeasPeasTomatoTomato
Vitamin - A
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Components of Food
Need to Take Different Varieties of Food
Vitamin - B
LiverLiver
Leafy VegetablesLeafy Vegetables
Unpolished RiceUnpolished Rice
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Components of Food
Need to Take Different Varieties of Food
Germinating SeedsGerminating Seeds
MilkMilk
EggsEggs MeatMeat
Vitamin - B
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Components of Food
Need to Take Different Varieties of Food
Vitamin - C
AmlaAmla
TomatoTomato
AppleApple GrapesGrapes
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Components of Food
Need to Take Different Varieties of Food
ChilliesChilliesLemonLemon
Vitamin - C
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Components of Food
Need to Take Different Varieties of Food
VitD- milk, butter, eggs, cod-liver oil, cabbage, sunlight
ButterButterMilkMilk
Cod-liver OilCod-liver OilEggsEggs
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Components of Food
Need to Take Different Varieties of Food
Vitamin - D
Cabbage
SunlightSunlight
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Components of Food
Need to Take Different Varieties of Food
Vitamin - E
PeasPeas
Geminating WheatGeminating Wheat
Green VegetablesGreen Vegetables
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Components of Food
Need to Take Different Varieties of Food
VitK- spinach, cabbage, cauliflower and other green vegetables.
SpinachSpinach
CabbageCabbage
Green VegetablesGreen Vegetables
CauliflowerCauliflower
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Components of Food
Need to Take Different Varieties of Food
These vitamins are required in small amounts to carry out various metabolic activities of our body.
Catabolism
Anabolism
Energy
Vitamins
Waste Products
To synthesize protein and other chemicals
Cell
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Components of Food
Need to Take Different Varieties of Food
They protect our body against diseases, and helps in keeping our eyes, bones, teeth and gums healthy.
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Components of Food
Need to Take Different Varieties of Food
Iron
Green VegetablesGreen Vegetables
Unpolished RiceUnpolished Rice
PeasPeas
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Components of Food
Need to Take Different Varieties of Food
Iron
MeatMeat
DatesDates
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Components of Food
Need to Take Different Varieties of Food
Iodine
Sea foodsSea foods
BeetBeet
TurnipTurnip
Iodised saltIodised salt
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Components of Food
Need to Take Different Varieties of Food
Phosphorus
Black gram
Coconut water
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Components of Food
Need to Take Different Varieties of Food
Liver
MeatMeat
Phosphorus
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Components of Food
Need to Take Different Varieties of Food
Phosphorus
Milk Egg yolkWheat
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Components of Food
Need to Take Different Varieties of Food
Beans
Green Leafy Vegetables
Phosphorus
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Components of Food
Need to Take Different Varieties of Food
Milk and Dairy ProductsGreen Vegetables
Calcium
Eggs
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Components of Food
Need to Take Different Varieties of Food
Minerals are essential for proper growth of our body and to maintain good health.
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Components of Food
Need to Take Different Varieties of Food
Water helps in absorbing the nutrients in our body and also to carry metabolic function properly.
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Components of Food
Need to Take Different Varieties of Food
Roughage does not provide any nutrient to the body but helps in retaining water and adds bulk to our food. Prevents from constipation.
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Components of Food
Need to Take Different Varieties of Food
1 g 1 g
CarbohydrateFat
1Gram of carbohydrates and 1 gram of fat are taken. Which is the cheapest source of energy ?
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Components of Food
Need to Take Different Varieties of Food
1Gram of carbohydrates yields 17kJ of energy where as 1gram of fats on oxidation yields 37kJ of energy. So carbohydrates are known as cheapest source of energy where as fats are known as richest source of energy.
1 g
1 g
17 kJ of Energy
37 kJ of Energy
Carbohydrate
Fat
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Components of Food
Need to Take Different Varieties of Food
Our skin synthesizes vitamin D with the help of sunlight as our skin has a compound known as 7-D hydro cholesterol. Bacteria found in human intestine synthesize vitamin K that helps in clotting of blood. Vitamin A, D, E, K is called as Fat soluble vitamins as they are soluble in the presence of fats. Vitamin B and C are called as water soluble vitamins are they are soluble in water. Excess of vitamin A results in peeling of skin.
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Components of Food
Need to Take Different Varieties of Food
Suggested Activity
Students are given different food items and are asked to group them under vitamins and minerals.Food items- carrot, egg, cod liver oil, butter, milk, tomato, cabbage, cauliflower, amla, gooseberry, grapes, orange, mango, pineapple, meat, yeast, spinach leaves, coriander leaves, black gram, dates, lentil, peas, fruit, beet root, turnip, dairy products, wheat, beans, liver, salt.
Activity
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Components of Food
Need to Take Different Varieties of Food
Inquisitive Questions
1. Why carbohydrates are called as cheapest source of energy?2. Why fats are called as richest source of energy?3. What is the most important nutrient among carbohydrates?4. Why sports person and patients are given glucose drips?5. When you feel your energy level is too low which fruit juice if you drink will pep up your energy? Why?6. Why is it recommended to eat some fruits and vegetables with their peel? 7. Steaming vegetables is better than boiling vegetables Why?8. Our diet should include an adequate quantity of vegetables. Why?9. What acts as roughage for our body?10. Repeated washing of rice and pulses are not advisable. Why?
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Components of Food
Need to Take Different Varieties of Food
1. Get fresh vegetables like spinach, cabbage and weigh them. Next dry them under the sun and weigh them. Note the difference of weight and find out what is the reason for such difference.2. Determine the water content of fruits like tomato, musambi, lemon by weighing it before and after squeezing the juice from it.
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Components of Food
Need to Take Different Varieties of Food
Even if one nutrient is not taken in our diet, it results in deficiency diseases. But if we develop at least one good quality, our efficiency increases.
BodyAny
One NutrientDeficiency
ManAny One
Good Quality+
_
Efficiency
=
=
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Components of Food
Need to Take Different Varieties of Food
Too much of cooking and washing removes the essential nutrients from food, similarly too much of talking reduces our thinking ability and memory.
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Components of Food
Need to Take Different Varieties of Food
Assessment
Boil the milk, and cover it with a lid. After sometime, open the lid. What is behind the lid? What could be the reason?
Click here for clue
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Components of Food
Need to Take Different Varieties of Food
Assessment
Boil the milk, and cover it with a lid. After sometime, open the lid. What is behind the lid? What could be the reason?
Clue Tiny water droplets