Questions with Answers

Science in Everyday Life ( Term 1 Chapter 4 | 4th Science )

Evaluation

I Choose the correct answer.

1. Primary source of energy for the young ones of some animals is

a) water

b) fruits

c) milk

Answer: c) milk

2. Vitamin present in milk that helps us to maintain our bones is

a) Vitamin-E

b) Vitamin-C

c) Vitamin-D

Answer: c) Vitamin-D

3. One of the ancient food items made by human is

a) noodles

b) cake

c) bread

Answer: c) bread

4. _______________ is a raw food.

 a) Cucumber

b) Chappatti

c) Bread

Answer: a) Cucumber

5. A gadget that plays songs is called

 a) pen drive

b) camera

c) music player

Answer: c) music player

II Fill in the blanks.

1. Cheese and paneer are made from milk .

2. Nutrients are made ready for digestion by cooking .

III Match the following.

1. Music player - Communicates with the world

2. Smart phone - Stores data

3. Electric torch - Plays games

4. Pen drive - Provides light

5. Tablet - Plays music

Answer:

1. Music player - Plays music

2. Smart phone - Communicates with the world

3. Electric torch - Provides light

4. Pen drive - Stores data

5. Tablet - Plays games

IV Answer in a sentence or two.

1. Name the food products derived from milk.

Curd, butter milk, ghee, paneer, milk sweets, ice cream and chocolates.

2. Write the names of any three baked foods.

Bread, biscuit, cake.

3. In what ways a smart phone will help you?

Apart from communication, smart phones have the ability to access the internet and store files, take photos, track location and much more.

4. What is food?

Food is one of the basic needs of life. Food provides energy. It is usually made by cooking plants or animals. It contains essential nutrients to keep our body healthy.

V Answer in detail.

1. Cooking removes harmful microbes. Write down other benefits of cooking.

Cooking causes many useful changes in food.

1. It makes nutrients ready for digestion

2. It helps to make food in the desired texture, flavour and taste.

3. It destroys harmful microbes.

2. Why should we drink milk?

1. Milk strengthens bones and teeth.

2. It maintains blood pressure.

3. It reduces the risk of heart disease.

4. It is a source of energy.

VI Projects.

1. List the gadgets you have used.

Smart Phones, Laptop, Electric Torch

2. Tabulate different kinds of milk products.

Try to Answer

1. Milk is a rich source of Calcium. (Calcium / Iron)

2. Milk contains sugar, protein and fat.

Try to Answer

1. Fruits and carrots are examples of raw food.

2. Rice and bread are examples of cooked food.

Let us discuss

Look at the things shown in the picture and discuss their uses with your friends.

Try to Answer

1. Bread is low (low / high) fat food.

2. Biscuits are made from wheat flow ( wheat flour / rice flour).

3. Cake is associated with birthday celebrations (cake / biscuit).

Activity

Visit a bakery near you and learn about baking of bread, biscuit and cakes.

Try to Answer

Write the names of the given gadgets.

(Web cam, Remote, Speaker, Camera, Headphone)