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


Can you name the nutrients present in food?

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Components of Food


Carbohydrates, Protein, Fats, …..

Carbohydrates

Proteins

Fats

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Components of Food


…. Vitamins, Minerals, Water and Roughage.

Water

Minerals

Roughage

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Components of Food


How these nutrients play an important role in our body?

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Components of Food


They help us to grow, give energy to carry our work, keep active throughout etc.

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Components of Food


Rice Wheat

Sources of carbohydrates- plant source

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Components of Food


Ragi

Cornflakes

Oats


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Components of Food


Sweet potato

WheatSugarcane

Papaya


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Components of Food


Banana Corn


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Components of Food


Potato Baby corn


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Components of Food


They give energy. So carbohydrates are called as energy giving foods.

EnergyEnergy

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Components 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


Plant sources of Fat

Ground nuts Cashew nuts

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Components of Food


Plant sources of Fat

Almond Pista

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Components of Food


Plant sources of Fats

Coconut oil Soya bean oil

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Components of Food


Plant sources of Fats

Sunflower OilSunflower Oil

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Components of Food


Animal sources of Fat

MilkMilk CreamCream

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Components of Food


ButterButter GheeGhee

Animal sources of Fat

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Components of Food


Fats are also called energy giving food.

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Components 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


Plant sources of Protein

PeasPeas SoyaSoya

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Components of Food


BeansBeans Thoor dalThoor dalPlant sources of Protein

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Components of Food


Moong dalMoong dal Chenna dalChenna dal


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Components of Food


Urud dalUrud dal PulsesPulses


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Components of Food


Animal Sources of Protein

EggsEggs MilkMilk

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Components of Food


PaneerPaneer MeatMeat

FishFish

Animal Sources of Protein

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Components of Food


How the intake of above items does help our body?

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Components 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


Vitamin - A

FishFish CarrotsCarrots

MilkMilkEgg YolkEgg Yolk

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Components of Food


Ripened MangoesRipened MangoesYellow PumpkinsYellow Pumpkins

PapayaPapayaPineapplePineapple

Vitamin - A

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Components of Food


PeasPeasTomatoTomato

Vitamin - A

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Components of Food


Vitamin - B

LiverLiver

Leafy VegetablesLeafy Vegetables

Unpolished RiceUnpolished Rice

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Components of Food


Germinating SeedsGerminating Seeds

MilkMilk

EggsEggs MeatMeat

Vitamin - B

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Components of Food


Vitamin - C

AmlaAmla

TomatoTomato

AppleApple GrapesGrapes

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Components of Food


ChilliesChilliesLemonLemon

Vitamin - C

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Components of Food


VitD- milk, butter, eggs, cod-liver oil, cabbage, sunlight

ButterButterMilkMilk

Cod-liver OilCod-liver OilEggsEggs

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Components of Food


Vitamin - D

Cabbage

SunlightSunlight

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Components of Food


Vitamin - E

PeasPeas

Geminating WheatGeminating Wheat

Green VegetablesGreen Vegetables

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Components of Food


VitK- spinach, cabbage, cauliflower and other green vegetables.

SpinachSpinach

CabbageCabbage


CauliflowerCauliflower

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Components 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


They protect our body against diseases, and helps in keeping our eyes, bones, teeth and gums healthy.

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Components of Food


Iron


Unpolished RiceUnpolished Rice

PeasPeas

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Components of Food


Iron

MeatMeat

DatesDates

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Components of Food


Iodine

Sea foodsSea foods

BeetBeet

TurnipTurnip

Iodised saltIodised salt

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Components of Food


Phosphorus

Black gram

Coconut water

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Components of Food


Liver

MeatMeat

Phosphorus

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Components of Food


Phosphorus

Milk Egg yolkWheat

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Components of Food


Beans

Green Leafy Vegetables

Phosphorus

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Components of Food


Milk and Dairy ProductsGreen Vegetables

Calcium

Eggs

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Components of Food


Minerals are essential for proper growth of our body and to maintain good health.

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Components 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


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


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


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


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


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


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


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


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


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


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


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

Education

Sci 02 ncert_gr6_need to take different varieties of foods