Food | Term 2 Chapter 1 | 4th Science
Evaluation
I. Choose the best answer.
II. Fill in the blanks.
1. Raw food gives us energy to work and play. (Raw food / Junk food)
2. Cooked food is easily digested. (digested / undigested)
3. Pressure cooker is one of the modern utensils. (modern / olden)
4. We need pure air, protected water and hygienic food for our healthy life. (junk / hygienic)
5. We make Idiyappam by steaming method. (boiling / steaming)
III. Match the following.
1. Grapes - Modern utensil
2. Mixture of vegetables - Food during illness
3. Electric rice cooker - Olden utensil
4. Earthen pot - Raw food
5. Less fatty food – Salad
1. Grapes - Raw food
2. Mixture of vegetables - Salad
3. Electric rice cooker – Modern utensil
4. Earthen pot - Olden utensil
5. Less fatty food - Food during illness
IV. Write Yes or No.
1. Biriyani is a raw food. No
2. Frying is a method of cooking. Yes
3. We can cook rice on a tawa. No
4. Cooking in a solar oven needs sunlight. Yes
5. Consuming too much oily food is bad for our health. Yes
V. Answer briefly.
(ii) Drying - Removing the water content of the food, (eg) Fish.
(ii) Don't fill the plate with too much of food.
(iii) Take a limited quantity of food.
(iv) If you need more, you can take it again.
(v) Share the excess food
(vi) Give the excess food to hungry animals.
VI. Answer in detail.
(ii) Refrigerating - Keeping food in the refrigerators (fridge) to preserve them for a short time, "(eg) Fruits, Vegetables.
(iii) Drying - Removing the water content of the food, (eg) Fish, Red chillies.
(iv) Canning - Storing food in air tight containers. (eg) Jam
(ii) Steaming - It is a method of cooking food in steam by immersing the vessel in a container with boiling water, (eg) Idli, Idiyappam.
(iii) Pressure cooking - It is a method of cooking food in a pressure cooker, (eg) Rice, Dhal.
(iv) Frying - It is a method of cooking food in hot oil. (eg) Chips, Poori.
Cooking Habits
(i) Wash your hands with soap before cooking.(ii) Wash vegetables and fruits before cutting.
(iii) Wash cooking vessels and knives.
(iv) Don't cook food for a long time.
(v) Don't use the same oil for cooking food many times.
(vi) Don't use the food items after their expiry date.
VII. Project.
Make a cardboard plate. Make your favourite fruits and vegetables from clay and fix them on the plate.
Let us do
(Carrot, Egg, Coconut oil, Milk, Radish, Meat, Potato, Curd, Brinjal, Lady‛s finger, Fish, Drumstick, Butter, Onion, Buttermilk, Cucumber, Ghee)
Food items from plants : Carrot, Coconut oil, Radish, Potato, Brinjal, Lady's finger, Drumstick, Onion, Cucumber
Food items from animals : Egg, Milk, Meat, Curd, Fish, Butter, Buttermilk, Ghee
Think and answer
Which food do you eat without cooking?
Answer: Fruits, Vegetables, Tubers, Nuts.
Let us Do
Arrange some fruits, vegetables, nuts and tubers on the table and ask each student to pick one food item. Based on what food item they choose, divide them into four groups.
Try to Answer
Write any five raw and cooked food.
a. Raw food: fruits, nuts, honey, sprouts and vegetable salad.
b. Cooked food: fish, idly, chicken, pizza, poori and biriyani.
Think and answer
Children, look at the menu card given here. Do you see food items on this menu? Do you think all these items are cooked the same way?
Let us do
(Rice, Poori, Murukku, Pop-corn, Idli, Milk, Fish, Puttu, Dhal, Idiyappam, Groundnut)
Boiling: Rice, Milk, Dhal
Steaming: Idli, Puttu, Idiyappam
Roasting: Pop-corn
Frying: Poori, Murukku, Fish
Try to Answer
1. Write any two cooking methods that your mother follows:
Boiling, Steaming.
2. Say True or False.
a. You should wash your hands before cooking. (True)
b. Vegetables and fruits should be washed after cutting. (False)
Let us do
(Pan, Pot, Rice cooker, Tawa, Idli cooker)
1. Rice : Pot, Rice cooker
2. Idiyappam, Puttu : Idli cooker
3. Vada : Pan
4. Sambar : Pot
5. Dosa : Tawa
Try to Answer
1. Earlier people cooked their food in pressure cooker. (False)
2. Solar cooker reduces the use of fuel. (True)
3. Pressure cooker is not a cooking utensil. (False)
Think and answer
Look at the pictures given below. Which one is good for health? Why?
Answer: The second picture is good for health, because the food items are covered to protect them from dust and insects.
Let us do
Try to Answer
1. Junk food is good for health. No
2. You should wash your hands before and after eating. Yes
Let us discuss
Here is Nandini‘s lunch box.
a. Are all the items healthy?
Answer: No. Not all the items are healthy.
b. Suggest her to remove one food which is not healthy and add one food which is healthy. Give reasons for change.
Answer: Chips is not healthy. We add vegetable salad.
Reason: Chips is a junk food. Vegetable salad is good for health because it contains all nutrients.
Think and answer
When you are sick, what kind of food your mother serves you?
Answer: My mother serves, porridge of rice, fruit juice, idly, because they are energy giving, easily digestible food.
Try to Answer
1. Idly is an easily digested food. (Idly / Biriyani)
2. We should avoid eating junk food. (junk/ fresh)
Think and answer
(i) Do you usually eat your lunch without wasting anything? If you say no, why do you waste?
No, sometimes I waste my lunch. Because at times, I am not hungry and the food is not tasty.
(ii) Can you suggest few ways to reduce food waste in your school and house?
❖ Don't fill the plate with too much of food.
❖ Take a limited quantity of food only.
❖ If you need more, you can take it again.
❖ Bring enough food.
❖ Share the excess food with others.
Try to Answer
1. World Hunger Day is observed on May – 28.
2. We can preserve pickle by Pickling.
Let us do
Make students to list out all the food wasted in their home (thrown away) for one week. Make them discuss what they saw and what changes they can make to reduce waste.