Std:3 E.V.S - Lesson No. 1:- Our Environment

Our Environment

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Q.1. Fill in the blanks

a) The place of a stone changes  only if someone picks it up and moves it.

b)  We weave clothes from cotton , wool , and silk .

c) Leaves fall off  trees. They , too , rot and get mixed with the soil .

Q.2. State whether the given statements are True or False.

a) The seeds of some plants are scattered by the wind.            True.

b)Plants are non-living things.                                                  False.

c)Sparrows grow by eating insects and  food grains.                 True.

Q.3.  Answer the following questions in one sentence only

a) What are the uses of cotton?

Ans:- Cotton is used to weave the clothes.

b) What are the chappals made from ?

Ans :- Chappals are made of leather.

c) If there is a loud noise nearby , What will  a sparrow do ? what will a stone do ?

Ans:- A sparrow will fly away ,While no changes will be observed in stone. 

d) What does the house lizard eat ?

Ans:-  The house lizard eats insects.

e) Make a list of things in your house that are made of wood.

Ans:- Table , chair , cupboard , showcase , bed etc.

f) Name the animals that feed on mice .

Ans:- Cat and snake

Q.4. Answer the following questions in brief.

a) What are the things that we get from our environment?

Ans:- We get food , water , air , wood , stone ,

          soil , rocks  etc. from our environment.

b) What help do plants get from the environment ?

Ans:- The seeds of some plants scattered by the                       

           wind , water , animals and birds. As a   

           result , seedlings  of those plants grow in

           new places. In this way plants get help

           from their  environment.

c) What makes the soil in the forest fertile ?

Ans:- The remains of dead animals decay and

           mix with soil . Leaves fall off from trees

           and get rot  & mixed in soil after

           sometime . In this way soil becomes

           fertile.

d) How do the sheep and shrub help each other?

Ans:- A sheep’s body is covered with wool. The

          sheep feeds on leaves of shrubs . As it  

         does  so ,  the seeds of some shrubs can

        get caught in its wool . When the sheep

        goes  somewhere else , the seeds may fall

        off there . Thus, the sheep helps new

        seedlings of the shrub to grow in many  

        different places. In this way , the sheep and      

         the shrub help each other. 

Q.5. Find out odd man

        a) blackboard , pen , ball , sparrow  

        Ans:- Sparrow because  it is living thing.

        b) lion , cow , spoon , parrot

        Ans:- Spoon because it is non- living thing.

        c)Elephant , giraffe , cow , rat

        Ans:- Rat because it is small animal.

      d) rose , neem , cat , banyan .

       Ans:-  Cat because it is animal.

      e)  bag , fruit , stone , water

       Ans:- Bag  because we do not get it from  

                environment.

      

Q.6. Write the difference between Living things

and Non-living things.

Living Things	Non-living things
They need food , air , and water to survive.	They  do not need food , air , and water to survive.
They can grow .	They can  not grow