Page 73 - EVS Class 01

A. Answer the following questions.

1. Why water is essential for us?

2. How many percent of earth is covered with water?

3. Write the sources of water.

4. Why we should not waste water?

B. Fill in the blanks.

1. We use ___________ for drinking and bathing.

2. We need water for our ___________ .

3. We should not ___________ water.

C. State whether the following statements are right or wrong .

1. Sea water is not salty.

2. Water is essential for survival.

3. We get water from plants.

D Choose the correct option for the following.

1. Water is used for __________ .

a) washing b) driving

c) sleeping d) walking

2. We get water from __________ .

a) river b) pond

c) lake d) all of these

3. _________ of the earth’s surface is covered with water.

a) 60% b) 55%

c) 75% d) 80%

1. Turn off the tap when you are not using water.

2. Wash your bicycle with a bucket of water. Do not use a pipe.

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