CBSE Class 3 EVS Water O Water Worksheet

Question.-Choose the correct option

1) Save water means
(a) Save gold
(b) Save petrol
(c) Save the world
Answer : c. Save the world

2) In the story “The Thirsty Crow", What was crow looking for?
(a)Water
(b) Milk
(c) Ice
Answer : a. Water

3) What is the chemical formula of water?
(a) H30
(b) H2O
(c) H5O
Answer : b. H2O

Question.- Fill in the blanks.
1) Water__________ helps to maintain a proper balance of water on earth.
2) A small area of water is called a_________________.
Answer : 1) Cycle
2) pond

Question.-Write true or false.
1) Streams are the smallest stage of rivers________
2) The water of Arabian Sea is sweet__________
Answer : 1) true
 2) false 

Question.- Answer in one word.
1) Which river flows through Delhi? ________
2) Name the longest river of India. ____________
3) Which is the biggest lake in India? ________
Answer : 1) Yamuna
2) Ganga
3) Vembanad Lake in Kerala

Question 1. Circle six sources of water in the puzzle:
Answer: AQUEOUS PUZZLE HIDDEN WORDS: RIVER, LAKE, POND, STREAM, OCEAN, SEA
In simple words: The six sources of water hidden in the letters are River, Lake, Pond, Stream, Ocean, and Sea.
Exam Tip: Look carefully for common water bodies starting or ending with standard vocabulary terms.

Question 2. WRITE THE RIGHT ONE: Unjumble the words and match with correct picture.
(a) IVERR
(b) AIRN
(c) LLWE
Answer:
(a) IVERR - RIVER (Matches with picture of a flowing river)
(b) AIRN - RAIN (Matches with picture of rain clouds)
(c) LLWE - WELL (Matches with picture of a village well)
In simple words: Rearrange the jumbled letters to form meaningful words related to water sources.
Exam Tip: Always check spelling by identifying vowels first when unjumbling words.

Question 3. Help the boy find his way.
Answer: The boy navigates through the labyrinth maze starting from the left side, moving right, downwards, through the middle passages, and finally connecting to the water tap and bucket on the top-right side.
In simple words: Trace the clear path through the maze from the boy to the water source.
Exam Tip: Trace mazes backwards from the destination to the starting point for a quicker solution.

Question 4. In the word grid find the names of these six rivers and encircle them.
Answer: The six rivers hidden in the grid are:
1. KAVERI
2. GANGA
3. YAMUNA
4. NARMADA
5. BRAHMAPUTRA (or listed river from grid)
6. INDUS
In simple words: Search horizontally, vertically, and diagonally in the letter box to find river names.
Exam Tip: Look for capital letters and common Indian river name prefixes and suffixes.

Question 5. Write 'Yes' if water is needed and 'No' if not needed.
Answer:
1. Sleeping on bed: No
2. Singing into microphone: Yes (drinking water is needed by singers)
3. Painting a picture: Yes (water is needed for watercolor paints)
4. Bathing: Yes
5. Washing clothes: Yes
6. Washing utensils: Yes
7. Doing homework / writing with pencil: No
8. Drinking water: Yes
9. Cooking food: Yes
10. Washing hair / grooming: Yes
11. Boating / sailing in a boat: Yes (water body is required)
In simple words: Identify whether water is an essential requirement for performing each daily activity shown in the pictures.
Exam Tip: Think about whether the activity involves cleaning, drinking, cooking, or aquatic transport.