Chapter 6: Water in Our Daily Lives
Sources of Water (Rain, Rivers, Taps), Uses & Saving Water | CBSE Session 2026–27
Core Pedagogical Competencies & Concepts
- Natural and Man-made Sources of Water
- Uses of Water (Drinking, Cooking, Cleaning, Plants)
- Three Forms of Water (Solid Ice, Liquid Water, Water Vapor)
- Water Conservation and Rainwater Harvesting
All Textbook Exercises & In-Text Tasks (15 Questions)
100% Complete Ingestion
Q1
Think and Tell
What is the main natural source of freshwater on Earth?
[1 Marks]
✅ Step-by-Step Solution & Working
Rain is the main natural source of freshwater on Earth.
CBSE Step-by-Step Marking Scheme
Rain
1
Q2
Sources of Water
Name two natural sources and two man-made sources of water.
[2 Marks]
✅ Step-by-Step Solution & Working
• Natural sources: Rain, Rivers, Lakes, Waterfalls, Ponds.
• Man-made sources: Wells, Tube-wells, Handpumps, Dams, Water taps.
CBSE Step-by-Step Marking Scheme
Two natural sources
1
Two man-made sources
1
Q3
Uses of Water
List five important uses of water in our everyday life.
[3 Marks]
✅ Step-by-Step Solution & Working
Five uses of water:
1. Drinking to quench thirst
2. Cooking meals
3. Bathing and brushing teeth
4. Washing clothes and cleaning dishes
5. Watering crops and plants.
CBSE Step-by-Step Marking Scheme
Listing 5 valid uses
3
Q4
Three Forms of Water
What are the three states (forms) of water? Give one example of each.
[3 Marks]
✅ Step-by-Step Solution & Working
1. Solid form: Ice, snow, hail
2. Liquid form: Drinking water, rain
3. Gas (Vapor) form: Steam, water vapor in air.
CBSE Step-by-Step Marking Scheme
Solid state with example
1
Liquid state with example
1
Gas state with example
1
Q5
Clean Drinking Water
Why should we never drink dirty or contaminated water?
[2 Marks]
✅ Step-by-Step Solution & Working
Dirty water contains harmful germs and bacteria that can cause serious water-borne diseases like diarrhea, typhoid, cholera, and jaundice.
CBSE Step-by-Step Marking Scheme
Presence of harmful germs
1
Causes water-borne diseases (diarrhea/typhoid)
1
Q6
Purifying Water at Home
How can we make tap or well water safe for drinking at home?
[2 Marks]
✅ Step-by-Step Solution & Working
We can make water safe by:
1. Boiling water for 10-15 minutes to kill all germs.
2. Using a modern water purifier (RO / UV filter).
CBSE Step-by-Step Marking Scheme
Boiling method
1
Water filter / purifier
1
Q7
Saving Water (Conservation)
Mention three ways you can save water at home.
[3 Marks]
✅ Step-by-Step Solution & Working
Three ways to save water:
1. Turn off taps tightly after use and fix dripping taps immediately.
2. Bathe with a bucket and mug instead of using a shower.
3. Reuse leftover water from washing vegetables to water garden plants.
CBSE Step-by-Step Marking Scheme
1 mark per practical water-saving tip
3
Q8
Sea Water vs River Water
Why can't we drink sea or ocean water directly?
[2 Marks]
✅ Step-by-Step Solution & Working
Sea and ocean water is very salty (saline) and contains a high amount of dissolved salts, which makes it unfit for drinking and cooking.
CBSE Step-by-Step Marking Scheme
Very salty/saline
1
Unfit for drinking/cooking
1
Q9
True or False
State True or False:
(a) Plants can survive without water for months.
(b) Ice melts into liquid water on heating.
(c) Rainwater harvesting means collecting and storing rainwater for future use.
[3 Marks]
✅ Step-by-Step Solution & Working
(a) False (Plants need water to make food and stay upright)
(b) True
(c) True.
CBSE Step-by-Step Marking Scheme
1 mark per correct answer
3
Q10
Fill in the Blanks
Fill in the blanks:
(a) Water has no smell, color, or ________ (taste / weight).
(b) We should use a ________ (bucket / shower) to save water while bathing.
(c) Steam coming out of boiling water is water in the form of ________ (gas / solid).
[3 Marks]
✅ Step-by-Step Solution & Working
(a) taste
(b) bucket
(c) gas.
CBSE Step-by-Step Marking Scheme
1 mark per correct blank
3
Q11
Rainwater Harvesting
What is rainwater harvesting, and why is it beneficial?
[2 Marks]
✅ Step-by-Step Solution & Working
Rainwater harvesting is the process of collecting rainwater from rooftops and storing it in underground tanks or pits. It recharges groundwater levels and provides water during dry summer months.
CBSE Step-by-Step Marking Scheme
Collecting and storing rainwater
1
Recharges groundwater / summer use
1
Q12
Animals and Water
How do animals in the forest get water to drink?
[2 Marks]
✅ Step-by-Step Solution & Working
Wild animals visit natural water holes, rivers, ponds, and streams in the forest to drink water and cool their bodies.
CBSE Step-by-Step Marking Scheme
Rivers, streams, and water holes in forest
2
Q13
Water Pollution
Name two human activities that pollute rivers and ponds.
[2 Marks]
✅ Step-by-Step Solution & Working
Two activities that pollute water:
1. Dumping plastic waste and garbage into rivers.
2. Washing clothes, bathing cattle, and releasing factory chemical waste into water bodies.
CBSE Step-by-Step Marking Scheme
Dumping garbage/plastic and chemical waste
2
Q14
Water Cycle in Nature
What happens when the sun heats up water in lakes and rivers?
[2 Marks]
✅ Step-by-Step Solution & Working
The heat of the sun turns lake and river water into invisible water vapor (evaporation), which rises up into the sky and forms clouds.
CBSE Step-by-Step Marking Scheme
Turns into water vapor (evaporation)
1
Rises and forms clouds
1
Q15
Slogan Writing
Write a catchy slogan to create awareness about saving water.
[1 Marks]
✅ Step-by-Step Solution & Working
'Save Water, Save Life! Every Drop Counts!' (जल ही जीवन है, इसे व्यर्थ न बहाएँ!)
CBSE Step-by-Step Marking Scheme
Creative and meaningful slogan
1
🌟 NEP 2020 Competency-Based Case Study
Practical Application Task
Analytical Task: How much water did Kabir waste, and what simple habit should he adopt to save water while brushing?
Evaluation & Model Answer:
Kabir wasted about 20-30 liters of clean drinking water every day. He should adopt the habit of turning off the tap while brushing and using a small mug or glass of water to rinse his mouth, which saves gallons of water.
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