CBSE Class 4 Social Studies Water Worksheet

Class - IV
subject - Social Studies
Topic - Natural resources : Water

Fill in the blanks :

Question. Mumbai faces ______ sea.

Answer : Arabian 

Question. A lake created behind a dam is called ______ .

Answer : reservoir

Question. Water is a ______ natural resource.

Answer : renewable

Question. ______ fourth of the Earth is covered by water bodies.

Answer : One 

Question. Rainwater that seeps into the ground is called ______ .

Answer : ground water

Answer in one word:

Question. What is barrier built across a river called?

Answer : Dam

Question. Name the highest dam in India.

Answer : Tehri Dam

Question.Which of these is the main source of fresh water ?

Answer :. Rain

Question. Which lake in Odisha is famous for migratory birds.

Answer : Chilika lake

Question. In which state is tank irrigation popular?

Answer : Andhra Pradesh

Very Short Answer Type Questions :

Question. What is a multi-purpose project?
Answer : Most of the dams are built to serve many purposes .Such dams are called multi-purpose

Question. Name five sources of water.
Answer : Five sources of water are rain, groundwater, lakes ,rivers, and oceans.

Question. Name the three states of water
Answer : The three states of water are solid, liquid and gases.

Question. How do we treat dirty water to make it fit for drinking?
Answer : Boiling, chlorination, and sedimentation are three ways to treat dirty water.

Question. For which two main purposes is water used?
Answer : The two main purposes for which water is used are human consumption and irrigation.eg Hirakud Dam and Bhakra Nangal Dam

Short Answer Type Questions :

Question. Write some important dams in India.
Answer : Some important dams are:

Question. Write the functions of multi-purpose projects.
Answer : The main function of multi-purpose projects are:
1. Supply of water for domestic needs
2. Breeding fish
3. Control of floods
4. Generation of hydroelectricity
5. Promotion of tourism
6. Irrigation
7. Navigation

Question. What are the main uses of water?
Answer : Water can be used for direct and indirect purposes. Direct purposes include bathing, drinking, and cooking, while examples of indirect purposes are the use of water in processing wood to make paper and in producing steel for automobiles. The bulk of the world's water is used for agriculture, industry, and electricity.

Long Short Answer Type Questions :

Question. Write methods to conserve water.
Answer : Water conservation means using less water or recycling used water so that it can be used again. Methods to conserve water are:
1. Check your toilet for leaks.
2. Take shorter showers -A typical shower uses five to ten gallons of water a minute. Limit your showers .Use buckets
3. Turn off the water while brushing your teeth-Before brushing, wet your brush and fill glass for rinsing your mouth.
4. Turn off the water while shaving -Fill the bottom of the sink with a few inches of warm water in which to rinse your razor. Rather than using open tap.
5. If you wash dishes by hand, don't leave the water running for rinsing .
6. Water your lawn only when it needs it
7. Water during the cool parts of the day -Early morning is better
8. Use a broom to clean driveways, sidewalks and steps -Using a hose wastes hundreds of gallons of water.
9. Tell your children not to play with the hose and sprinklers -Children love to play under a hose or sprinkler on a hot day. This practice is extremely wasteful of precious water and should be discouraged.

Question. Draw the diagram of conservation of water.
Answer :