NCERT Solutions for Class 7 Geography Social Science Chapter 5 - Water
The Earth's surface is primarily covered by 71 percent water. The water cycle involves a continuous transformation of water, circulating between oceans, the atmosphere, and land. Various freshwater sources include rivers, ponds, springs, and glaciers. Movements within oceans are classified into waves, tides, and currents. These NCERT Solutions for Class 7 Geography offer in-depth, step-by-step explanations, examples, and solutions for all the exercises found in the Geography textbook.
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The NCERT Solutions for Class 7 Geography Social Science Chapter 5 - Water are tailored to help the students master the concepts that are key to success in their classrooms. The solutions given in the PDF are developed by experts and correlate with the CBSE syllabus of 2023-2024. These solutions provide thorough explanations with a step-by-step approach to solving problems. Students can easily get a hold of the subject and learn the basics with a deeper understanding. Additionally, they can practice better, be confident, and perform well in their examinations with the support of this PDF.
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Access Answers to NCERT Solutions for Class 7 Geography Social Science Chapter 5 - Water
Students can access the NCERT Solutions for Class 7 Geography Social Science Chapter 5 - Water. Curated by experts according to the CBSE syllabus for 2023–2024, these step-by-step solutions make SST- Geography much easier to understand and learn for the students. These solutions can be used in practice by students to attain skills in solving problems, reinforce important learning objectives, and be well-prepared for tests.
Water
Answer the following questions.
(i) What is precipitation?
(ii) What is the water cycle?
(iii) What are the factors affecting the height of the waves?
(iv) Which factors affect the movement of ocean water?
(v) What are tides and how are they caused?
(vi) What are ocean currents?
(i) The sun’s heat vaporises water into vapour. This vapour cools down and condenses to become clouds. This may then fall on the surface of Earth in the form of rain, snow or sleet. This phenomenon of water falling back onto the surface of the earth in the form of rain, snow or sleet is called precipitation.
(ii) The process by which water continually changes its form and circulates between oceans, atmosphere and land is known as the water cycle.
(iii) The factors affecting the height of the waves are as follows:
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Speed of the wind
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Earthquake, volcanic eruptions or underwater landslides
(iv) The factors affecting the movement of ocean water are as follows:
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Temperature
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The gravitational pull of sun and moon
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Warm and cold currents
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Wind
(v) The rhythmic rise and fall of ocean water, twice in a day, is called a tide. Tides are caused by the gravitational force exerted by the sun and the moon on the earth’s surface.
(vi) The streams of water flowing constantly on the ocean surface in a definite direction are called ocean currents. The ocean currents may be warm or cold.
Give reasons.
(i) Ocean water is salty.
(ii) The quality of water is deteriorating.
(i) Ocean water is salty because it contains a large amount of salt dissolved in it. The salt present in ocean water is mostly sodium chloride or the common salt that we consume.
(ii) The water quality is deteriorating because of human activities like
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Deforestation
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Throwing garbage and other waste in water bodies
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Chemicals released from industries
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Increased use of fertilisers and pesticides
Tick the correct answer.
(i) The process by which water continually changes its form and circulates between oceans, atmosphere and land
(a) Water cycle
(b) Tides
(c) Ocean currents
(ii) Generally, the warm ocean currents originate near
(a) Poles
(b) Equator
(c) None of these
(iii) The rhythmic rise and fall of ocean water twice in a day is called
(a) Tide
(b) Ocean current
(c) Wave
(i) a
(ii) b
(iii) a
Match the following.
|
(i) Caspian Sea |
(a) Largest lake |
|
(ii) Tide |
(b) Periodic rise and fall of water |
|
(iii) Tsunami |
(c) Strong seismic waves |
|
(iv) Ocean currents |
(d) Streams of water moving along definite paths |
|
(e) Water cycle |
|
(i) Caspian Sea |
(a) Largest lake |
|
(ii) Tide |
(b) Periodic rise and fall of water |
|
(iii) Tsunami |
(c) Strong seismic waves |
|
(iv) Ocean currents |
(d) Streams of water moving along definite paths |
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Frequently Asked Questions
The NCERT solution for Class 7 Chapter 5: Water is important as it provides a structured approach to learning, ensuring that students develop a strong understanding of foundational concepts early in their academic journey. By mastering these basics, students can build confidence and readiness for tackling more difficult concepts in their further education.
Yes, the NCERT solution for Class 7 Chapter 5: Water is quite useful for students in preparing for their exams. The solutions are simple, clear, and concise allowing students to understand them better. They can solve the practice questions and exercises that allow them to get exam-ready in no time.
You can get all the NCERT solutions for Class 7 Geography Chapter 5 from the official website of the Orchids International School. These solutions are tailored by subject matter experts and are very easy to understand.
Yes, students must practice all the questions provided in the NCERT solution for Class 7 Geography Chapter 5: Water as it will help them gain a comprehensive understanding of the concept, identify their weak areas, and strengthen their preparation.
Students can utilize the NCERT solution for Class 7 Geography Chapter 5 effectively by practicing the solutions regularly. Solve the exercises and practice questions given in the solution.