1. Class IV
EVS
Topic: A River’s Tale.

2. A River’s Tale

3. How it gets polluted ?
Bathing

4. Washing clothes and animals

5. Sending Industrial wastes and chemicals into rivers

7. Leaving drainage and toilet water into rivers

8. Leakage of oils from motor boats and ships

9. Throwing garbage and plastics bags near the rivers

10. Save water sources from pollution

11. Questions Have you ever been near a river or sea? When?
Is the water from sea drinkable? Why?
Show with your hands, how the waves in the sea move?
draw pitcures showing any two ways of cleaning the water?

12. Is there a pound or river or lake near your town or city?
what are the different kind of fishes found there?
what kind of trees and plants grow around it?
what are the kinds of birds that come there ?
have you ever seen or read about floods? Where?

13. What happens when there is a flood?
have you ever seen dirty water in a river or pond?
how would you know if the water is dirty…? If the water looks clean ..can you be sure that it is alright to drink that water…? Discuss.

14. how is drinking water cleaned in your house?
How does the water became dirty?
how is drinking water cleaned in your house?
find out the many different ways of cleaning water at home?
draw the pitcure showing any two ways of cleaning the water?

15. Thank you

16. Answer the following questions Where does the river start from?
Work sheet KENDRIYA VIDYALAYA SAINIK VIHAR Class IV Subject EVS *** Name of lesson: A RIVERS TALE
Answer the following questions
Where does the river start from?
Where does it end?
Why does the colour of the water changes?
How does the water become dirty?

17. What is the colour of river where its begins?
Why is it important to clean the water before we drink it?
How is drinking water made clean in your house?

18. Q2) Where does river start from? Q3) Where does the river start from?
Work sheet KENDRIYA VIDYALAYA SAINIK VIHAR Class IV Subject EVS ** Name of lesson: A RIVERS TALE
Q1) How can you help in keeping the river water clean? Write few sentences
Q2) Where does river start from?
Q3) Where does the river start from?
Q4) What is best way to clean water at home?:”
Q5) Write the name of 4 rivers of India.

19. _____________ and __________________ dissolve in water very easily.
Work sheet KENDRIYA VIDYALAYA SAINIK VIHAR Class IV Subject EVS * Name of lesson: A RIVERS TALE
Fill in the blanks
_____________ and __________________ dissolve in water very easily.
_________________ and _____________ do not dissolve in water.
________________ and_____________ are two sources of water.
________________ and ___________ diseases are caused by drinking