CBSE Class 3 EVS Revision Worksheet Set 19

CBSE Class 3 EVS Practice Worksheets (79)-Revision

Worksheets have become an integral part of the education system. Worksheets are very critical for every student to practice his/ her concepts. Students, teachers and parents can download all CBSE educational material and extremely well prepared worksheets from this website. All revision worksheets, Sample papers, Question banks and easy to learn study notes for all classes and subjects have been prepared based on the latest guidelines sent by CBSE. All CBSE educational material is developed by our panel of teachers, have also been submitted by thousands of teachers and students. The study material has been carefully compiled by the best teachers in India. Worksheets have been submitted by teachers of various CBSE schools and also have been carefully developed keeping into consideration the latest CBSE syllabus.

Question I. Look at the picture and write how you can conserve water.

Answer:
We can conserve and save water in the following ways:
1. Collect rainwater in a bucket to use for cleaning.
2. Use a small jug or mug to take water from a pot instead of pouring it directly.
3. Wash fruits and vegetables in a bowl of water instead of under a running tap.
4. Store clean drinking water in buckets with lids.
5. Turn off the tap while brushing your teeth.
6. Close the tap immediately to stop water from overflowing from a bucket.
In simple words: We can save water in many ways. Use buckets, close taps while brushing, and do not waste water.

Exam Tip: List simple daily actions like turning off taps to show how to save water.

Question II. With the help of given picture write the correct directions in the given blanks.

1. The school is to the ____________________ of my house.
2. The pond is in the ______________________ direction.
3. The garden is to the ____________________ of my house.
4. The hospital is towards the __________________ direction of my house.
Answer:
Using the compass directions (North is up, South is down, East is right, West is left):
1. The school is to the North of my house.
2. The pond is in the South direction.
3. The garden is to the East of my house.
4. The hospital is towards the West direction of my house.
In simple words: Use the compass in the corner to find the directions. North is up, South is down, East is right, and West is left.

Exam Tip: Look at the compass arrows to find North, South, East, and West easily.

Question III. Look at the pictures and write how does water become dirty.

Ans. 1.) _____________________ 2.) ________________________
3.) _____________________ 4.) ________________________

Write the landmarks on the way to post office.

Ans. 1.) _____________________ 2.) ________________________
3.) _____________________ 4.) _________________________
Answer:
Ways water becomes dirty:
1. People bathing in the river.
2. Washing animals like cows in the river water.
3. Washing dirty clothes directly in the river.
4. Throwing garbage and industrial waste into the water.

Landmarks on the way to the post office:
1. House
2. Well
3. Temple
4. Park
In simple words: People make river water dirty by bathing, washing clothes, and dumping waste. On the way to the post office, we pass landmarks like houses, wells, temples, and parks.

Exam Tip: Identify each drawing on the path to name the landmarks correctly.

Question IV. Label the diagram of water cycle.

Answer:
The labeled stages of the water cycle in the diagram are:
* Evaporation: (Right box, pointing up from the sea water)
* Condensation: (Middle box, near the clouds)
* Precipitation: (Left-top box, near the rain falling on the mountains)
* Collection: (Left-bottom box, near the river water collection area)
In simple words: Water goes up as vapour (evaporation). It forms clouds (condensation). It falls as rain (precipitation) and collects in rivers.

Exam Tip: Remember the order: water heats up, forms clouds, falls as rain, and flows back to the sea.

Question V. Encircle the uses of water in the following grid.

Answer:
The main uses of water hidden in the puzzle grid are:
1. DRINKING (Row 1, horizontal)
2. BATHING (Column 3, vertical)
3. COOKING (Column 1, vertical)
4. CAR WASH (Column 5, vertical)
5. SWIMMING (Column 6, vertical)
6. WASHING (Column 7, vertical)
7. BRUSHING TEETH (Column 10, vertical)
In simple words: Look for words like drinking, cooking, bathing, washing, and swimming hidden in the puzzle.

Exam Tip: Search both vertically (downwards) and horizontally (across) to find all the hidden words.