Primary School (English Medium) इयत्ता ४ - CBSE Question Bank Solutions for Environmental Studies

Where Deepak lives, everyone has to stand in a queue to fill water from the common public tap. In Raziya’s house, water comes all day in the tap. Why is this?

Raziya read news about the water in the newspaper. Have you read any news about the water in the newspapers? What kind of news?

Look through the newspapers of the last one month. Look for all news items related to water. Cut them out. Stick all the cuttings together on a big paper to make a big collage. Talk about what you have collected. Discuss in the class.

Make three groups of students in your class.

• One group will find out about the arrangements of drinking water in the school.
• The second group will find out about the arrangement of toilet in the school.
• The third group will find out about illness affecting children in the class.

The questions given below will help the groups to collect information.

Group 1

Observe and Note –

1. Put a (✓) in the right box or boxes.

• Where does the water in your school come from?
  (Tap/Tank/Handpump/Any other)
• In your school, from where do you take water to drink?
  (Tap/Tank/Handpump/Any other)

2. If there is no tap, matka or handpump, then how do you get drinking water?

3. Is there water in all the taps or handpumps?

4. Is there any tap which is leaking or dripping?

5. Are all the matkas filled with water and are they covered?

6. Are the matkas and other water containers cleaned regularly?

7. How is water made safe for drinking?

8. Is there a long-handled ladle to take water from the matka or container? How many ladles are there per container?

9. Is the place around the drinking water–taps or matkas cleaned regularly?

Think and Discuss

• Why do the drinking water places get dirty?
• What can we do to keep these places clean?

Find out and write in your notebook

• How often (once a day, once in two days, etc.) are the containers or matkas and ladles cleaned? Who cleans them?
• How many children are there in your school? How many taps, matkas or handpumps are there? Are these sufficient for children?
• Who cleans the places near the water?
• Where does the water that is spilt go?

Group 2

Observe and Note –

1. Put (✓) in the box and write wherever it is required –

• What are the toilet arrangements in your school?
  (Built toilet/Open area)

2. How many toilets are there?

3. Are there separate toilets for girls and boys? (yes/no)

4. Is there water in the toilets? (yes/no)

5. Where does the water come from?

• the tap (yes/no)
• filled containers (yes/no)
• has to be brought from home (yes/no)

6. Is there water for washing hands near the toilet? (yes/no)

7. Do you wash your hands after using the toilet? (yes/no)

8. Is there any tap that is leaking or dripping? (yes/no)

9. Are the toilets kept clean? (yes/no)

Find out and write

• How many boys and girls are there in your school?
  Girls - ______, Boys - ______
• How many toilets are there for girls, and how many for boys?
  Girls - ______, Boys - ______
• If there are no taps, who brings the water for the toilet? From where does the water have to be brought?
• Who keeps the place clean?

Talk about it

• What can be done to keep the toilets clean?
• What can each of us do for this?
• Have you seen toilets at bus stands or railway stations? How are they different from the toilets at home?

Group 3

Talk with the children in your class and fill in the table given below. In the last few months, how many children in the class have suffered from any of these?

Discuss with your teacher what you have found out from your survey. Now make a report with your findings and suggestions. Read your report in the assembly. Put it up on the notice board.

The stick which was stuck in the ground fell very easily. It was difficult to pull out a small grass. Why?

Do all plants have roots?

Look at some plants and trees around you. Imagine how deep and spread out the roots of these are?

After three days, Abdul saw that one broken part of the pea plant had dried. Guess which part would have dried up? Why?

Why do you think the neem tree did not fall despite the strong wind?

On putting water in the soil where the plants are growing, the dropping leaves become fresh again. How?

What do you feel, do all plants need water?

Which of the plants around you need regular watering?

• What will happen, if nobody gives water to these plants?

Abdul realised that he never watered the huge neem tree. “Where did it get its water from?” he thought.

Which of the plants around you do not need watering. Where do they get water from? Make two guesses.

Abdul wondered whether radish was a root. Why did he think so?

Look at the pictures below and find out which of these vegetables are roots.

Nowadays Abdul keeps thinking about all kinds of plants that he sees.

Abdul saw a plant growing out of a wall in school. He wondered-

• How deep must the roots of this plant be going?
• How do the roots get water?
• How big will this plant grow?
• What will happen to the wall?
• Can you give the name of the plant in the picture?

Have you ever seen a plant growing from a crack in a wall?

• Where was it?
• Did you have any questions when you saw it?
• What were some of your questions? Ask elders and find the answers.
• Find out the name of the plant you saw.

Abdul saw a huge tree that had fallen on the roadside. He remembered the neem tree in his courtyard. He could see some of its broken roots. Abdul thought–

• Would someone have uprooted such a big tree or would it have fallen on its own?
• How old would this tree be?
• Abdul on seeing a tree surrounded by cemented ground, thought that how will it get rain water?
  

Which are the oldest trees in your area?

• Find out from your elders how old the trees are?
• Name animals who live on this tree.
• Have you ever seen any big tree that had fallen down? What did you think when you saw it?