Telangana Board Solutions for Chapter: Soil - Our Life, Exercise 1: Exercise 1

Rafi and Vasanthi were asked by their teacher to make models of some vegetables. They collected some soil from their garden, mixed the soil with water and made some models. They were not satisfied, as sometimes, their models would break when they tried to shape them. The surface of the models was rough and not smooth. Rafi’s grandma saw them doing this and said, “To make models, you have to collect soil from the bank of our village pond which is sticky”.

• Guess why the soil of the garden was not suitable to make models?
• Why was grandma’s suggestion useful?
• Are soils different from place to place?
• How is soil useful for us?
• Guess what soil is made up of?

Rafi and Vasu want to make a list of things that are directly or Rafi and Vasu want to make a list of things that are directly or indirectly related to soil. Help them with their list. Indirectly related to soil. Help them with their list.

Things directly related to soil: ceramic utensils, minerals, bricks, nitrogen.

Things indirectly related to soil: resin, paper, clothes, fruits.

Why does sand soil not retain water for a long time?
 

Is there any relation between percolation rate and water holding capacity of soil? Write your observations?
 

What do you observe in the information given by these children? Write information about soil and crops that are grown in your village in the same way.
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