Take some clay and sprinkle water on it to make a soft dough. Shape it as you like to make things of your choice. Keep these things aside for a few hours. The clay will harden and your articles will be ready.

Answer the following question.

What steps can be taken to prevent erosion of soil?

'True or false?

(a) The texture of soil can be determined from its colour.

(b) Soil is formed by the fast flowing currents of water.

(c) Sandy soil has little capacity for holding water.

Match the following.

Fill in the blanks.

(a) Plants satisfy man's basic needs for ………..,……….. and ……… .

(b) …………… and …………… are the organic constituents of soil.

(c) Land should be ……………. to prevent erosion.

(d) Disturbance of the natural balance of soil is called soil ………………

(e) The government has started the ………. project protect forests.