We use sieves to separate tea-leaves from tea and sand from gravel. What are the differences between the sieves used in the two instances?

The method used to separate stones from rice is …….

In the pond , we find that different organisms live in different regions. This is due to some conditions like availability of different amount of food, air, light etc. Now let us study the table 4 , showing organisms living in different regions of a pond and answer the question. Are the leaves of all plants growing in a pond, similar? What is the difference between the leaves of a plant growing at the bottom (hydrilla) and.that floating on the surface (lotus)? Try to think and write why we find such differences.

Tea leaves are separated from tea by

Tea leaves are separated from tea by

Separation of sand from gravel is observed at………

Method used for separation of oranges from mangoes.

How will you separate the tea-leaves from tea ?, Which property helped in separation of tea - leaves from tea ?

Do you find any different between tea strainer and sieve used to separate flour and husk?

Have you observed tea being prepared? What substance are used for preparing tea? List them in table 7. and also list out the different substance that are used to make the items given in table7.