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)
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