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CBSE Class 4  >  Class 4 Notes  >  Social Studies  >  Worksheet: Water Resources - 1

Worksheet: Water Resources - 1

Q1: Complete the sentences.

(i) Agriculture is not possible without _____________.

(ii) Oceans are the largest source of __________________.

(iii) Water is the most __________________ resource.

(iv) Water taken out of wells, hand pumps or tube wells is the ______________ water.

(v) Surface water is the water available from rivers,_______________.

(vi) Rainwater soaks into the ground and fills _________.
Q1: Complete the sentences.

(vii) Boiling water removes the _________.

(viii) Boiling water changes it into _________.

(ix) We need more water in summer because we _________.

(x) Plants take in water from the _________.
Q1: Complete the sentences.

Q2: True or False.

(i) We waste water when we allow water to run when we brush our teeth.

(ii) Water is as important to us as the air.

(iii) Major part of our body weight is water.

(iv) Agriculture is possible without water.

(v) Water will never exhaust. (used up).
Q2: True or False.

Q3: Tick the correct word.

(i) Distribution of water is_____________(even, uneven)

(ii) Water is polluted by_____________. ( fish, rain, untreated sewer water)

(iii) Rain harvesting is____________( collection of water from the rain)

(iv) Water in clouds come from_____________(underground, surface and ocean water)

(v) Floods can be controlled to some degree by _____________(forestation, cutting trees)
Q3: Tick the correct word.

Q4: Multiple Choice Questions (MCQs).

(i) The three forms in which water is found are -
(a) solid, liquid, water
(b) solid, ice, water
(c) steam, ice, gas
(d) ice, water, steam

(ii) What will happen to the ice if it is left out?
(a) The ice melts to form water.
(b) The ice freezes to form water.
(c) The water freezes to form ice.
(d) The water melts to form ice.

(iii) What is filter used for?
(a) It removes dirt from water.
(b) It makes the water warm.
(c) It cools water.
(d) It makes water salty.

(iv) The Sun heats up water in the ponds and changes it into -
(a) ice
(b) steam
(c) water
(d) water vapour
Q4: Multiple Choice Questions (MCQs).

Q5: Answer the following questions.

(i) How surface water resource is different from the underground water resource?

(ii) What is the meaning of water resources?
Q5: Answer the following questions.


You can find Worksheets Solutions here: Worksheet Solutions: Water Resources - 1  

The document Worksheet: Water Resources - 1 is a part of the Class 4 Course Social Studies for Class 4.
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FAQs on Worksheet: Water Resources - 1

1. What are the different types of water resources on Earth?
Ans. Water resources include surface water (rivers, lakes, oceans), groundwater (stored underground), and atmospheric water (rain, snow). Surface water flows above ground, while groundwater exists beneath soil layers. Atmospheric water falls as precipitation. Together, these three types make up Earth's freshwater and saltwater systems that support all life and human activities.
2. How is groundwater different from surface water in water resources?
Ans. Groundwater lies trapped beneath Earth's surface in soil and rock layers, flowing slowly underground, whereas surface water moves visibly through rivers, lakes, and streams. Groundwater takes longer to replenish naturally compared to surface water. Both are essential water resources, but groundwater provides drinking water during dry seasons while surface water supports irrigation and hydroelectric power generation.
3. Why do we need to conserve water resources for future generations?
Ans. Water conservation ensures adequate freshwater supply for drinking, farming, and industry as populations grow. Many regions face water scarcity due to overuse and pollution of water resources. Conserving groundwater and surface water prevents depletion of aquifers and protects ecosystems. Sustainable water management practices help maintain water availability for future communities and reduce competition over limited water supplies.
4. What happens when water resources become polluted and how does it affect us?
Ans. Polluted water resources contain harmful chemicals, waste, and bacteria that make water unsafe for drinking and farming. Contamination of groundwater and surface water spreads diseases, reduces crop yields, and damages aquatic ecosystems. Pollution also increases water treatment costs. Protecting water resources from industrial waste, agricultural runoff, and sewage prevents health problems and maintains the quality of freshwater supplies communities depend on.
5. How do dams and reservoirs help manage water resources in India?
Ans. Dams create reservoirs that store water from rivers during monsoons, providing water supply during dry seasons across Indian regions. These water resource structures support irrigation for agriculture, generate hydroelectric power, and prevent flooding. Reservoirs allow controlled distribution of water to multiple states and communities. Efficient dam management ensures water availability year-round, making them critical infrastructure for managing India's water resources sustainably.
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Apr 20, 2026 Last updated
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