Water Resources - 1 Class 4 Worksheet SST

Q1: Complete the sentences.

(i) Agriculture is not possible without _____________.

(ii) Oceans are the largest source of __________________.

(iii) Water is the most __________________ resource.

(iv) Water taken out of wells, hand pumps or tube wells is the ______________ water.

(v) Surface water is the water available from rivers,_______________.

(vi) Rainwater soaks into the ground and fills _________.

(vii) Boiling water removes the _________.

(viii) Boiling water changes it into _________.

(ix) We need more water in summer because we _________.

(x) Plants take in water from the _________.

Q2: True or False.

(i) We waste water when we allow water to run when we brush our teeth.

(ii) Water is as important to us as the air.

(iii) Major part of our body weight is water.

(iv) Agriculture is possible without water.

(v) Water will never exhaust. (used up).

Q3: Tick the correct word.

(i) Distribution of water is_____________(even, uneven)

(ii) Water is polluted by_____________. ( fish, rain, untreated sewer water)

(iii) Rain harvesting is____________( collection of water from the rain)

(iv) Water in clouds come from_____________(underground, surface and ocean water)

(v) Floods can be controlled to some degree by _____________(forestation, cutting trees)

Q4: Multiple Choice Questions (MCQs).

(i) The three forms in which water is found are -
(a) solid, liquid, water
(b) solid, ice, water
(c) steam, ice, gas
(d) ice, water, steam

(ii) What will happen to the ice if it is left out?
(a) The ice melts to form water.
(b) The ice freezes to form water.
(c) The water freezes to form ice.
(d) The water melts to form ice.

(iii) What is filter used for?
(a) It removes dirt from water.
(b) It makes the water warm.
(c) It cools water.
(d) It makes water salty.

(iv) The Sun heats up water in the ponds and changes it into -
(a) ice
(b) steam
(c) water
(d) water vapour

Q5: Answer the following questions.

(i) How surface water resource is different from the underground water resource?

(ii) What is the meaning of water resources?

You can find Worksheets Solutions here: Worksheet Solutions: Water Resources - 1