Q1: Fill the blanks
(i) Water is also one of basic ________.
(ii) Plants need water to prepare their ________.
(iii) We do ________ in water.
(iv) Animals take a _________ in the water of rivers, ponds or lakes.
(v) ________ is produced from water.
Ans:
(i) needs
(ii) food
(iii) boating
(iv) bath
(v) Electricity
Q2: Unscramble the words
(i) EANCO
(ii) IVERER
(iii) IARN
(iv) PAT
(v) NDAHUMPP
Ans:
(i) OCEAN
(ii) RIVER
(iii) RAIN
(iv) TAP
(v) HANDPUMP
Q3: Put a tick (✔) against the correct sentences and a cross (X) against the wrong ones:
(i) Some plants do not need water.
(ii) Water is used for cooking food.
(iii) We do boating in water.
(iv) We cannot swim in water.
(v) Electricity is not produced from water.
Ans:
(i) Some plants do not need water. (X)
(ii) Water is used for cooking food. (✔)
(iv) We cannot swim in water. (X)
(v) Electricity is not produced from water. (X)
Q4: Answer the following questions
(i) Can we live without water?
Ans: We cannot live without water.
(ii) Write two uses of water.
Ans: The two uses of water are:
- We drink water when we are thirsty
- We need water for bathing.
(iii) Why do animals need water?
Ans: Animal cannot live without water. Almost all animals drink water.
(iv) Why do plants need water?
Ans: Plants also need water to keep alive. They use water to prepare their food.
(v) Where do we go for boating?
Ans: We do boating in the water of rivers, lakes, etc.
(vi) What are natural resources?
Ans: Things that are available in nature are called natural resources. Water is natural resources.
(vii) Why we should not waste water?
Ans: Water is precious so we should not waste water.