Our Earth’s surface is covered with 71% of water. The water cycle is the interaction by which water persistently changes its structure and circles between seas, environment, and land. The significant wellsprings of freshwater are the waterways, lakes, springs, and icy masses. The developments that happen in seas can be comprehensively arranged as waves, tides, and flows. These NCERT Solutions for 7th Class Social Science Geography are enveloped by the far-reaching bit-by-bit portrayals utilizing appropriate clarifications, addressed models, and so forth of the multitude of activities given in the NCERT coursebook of Social Science Geography.
5th Chapter: Water
Students can likewise get the NCERT Solutions for 7th Class for different subjects at the connected article.
NCERT Solutions for 7th Class Social Science 5th Chapter – Water – Download PDF
TEXTUAL QUESTIONS
Ques 1. What is precipitation?
Ans. Precipitation is the fall of moisture on the ground in the form of rainfall, snow, sleet, and hailstones.
Ques 2. What is the water cycle?
Ans. The water cycle is the circulation of water through the atmosphere, lithosphere, hydrosphere, and then again the atmosphere.
(Or)
The water cycle is the process by which water continually changes its form and circulates between oceans, the atmosphere, and land.
Ques 3. What are the factors affecting the height of the waves?
Ans. Winds, earthquakes, volcanic eruptions, and landslides on the bottom of the oceans are the factors affecting the height of the waves.
Ques 4. Which factors affect the movement of ocean water?
Ans. i) Temperature
ii) Winds
iii) Gravitational pull of the sun, the earth, and the moon
iv) Shape of continents
v) Warm and cold currents
vi) Salinity
Ques 5. What are tides and how are they caused?
Ans. i) Rhythmic rise and fall of ocean water due to the gravitational pull of the sun and the moon are termed tides.
ii) Tides are caused by the gravitational pull of the sun and the moon.
Ques 6. What are ocean currents?
Ans. Ocean currents are the streams of water fl owing in the oceans constantly in definite directions. The ocean currents may be warm or cold.
Give reasons
Ocean water is salty.
i) Deposition of mineral salts by the rivers for millions of years.
ii) They bring large amounts of salts in solution and drop them into the oceans.
iii) The salts go on increasing in the oceans
iv) Evaporation of ocean water also increases the salinity of the water.
The quality of water is deteriorating.
The quality of water is deteriorating because:
i) Decrease in the water table.
ii) Mixing of industrial effluents and untreated water of industries into the streams, rivers and even oceans.
iii) Mixing of sewage water into the rivers etc.
iv) Excessive use of water causing scarcity.
v) Throwing of dead bodies, haven ashes, vegetables, and flowers into the sea.
vi) Bathing of animals into the water bodies.
vii) Dust and dirt storms also pollute water.
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
Answer: a
(ii) Generally, the warm ocean currents originate near
(a) Poles
(b) Equator
(c) None of these
Answer: b
(iii) The rhythmic rise and fall of ocean water twice a day is called
(a) Tide
(b) Ocean current
(c) Wave
Answer: 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 |
Answer:
| (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 |
Water Summary
5th Chapter – Water from the NCERT topography book involves:
- Water Cycle
- Dissemination of Water Bodies
- Sea Circulation
- Sea Currents
Our Environment is the NCERT Social Science Geography book for students in 7th Class. For NCERT Solutions for 7th Class Social Sciences, visit the connected article.
Frequently Asked Questions on NCERT Solutions for 7th Class Social Science Geography 5th Chapter
- What kind of Questions is available in the 5th Chapter of NCERT Solutions for 7th Class Social Science Geography?
- What is the topic covered in the 5th Chapter of NCERT Solutions for 7th Class Social Science Geography?
- What are sea flows examined in the 5th Chapter of NCERT Solutions for 7th Class Social Science Geography?
1. What kind of Questions is available in the 5th Chapter of NCERT Solutions for 7th Class Social Science Geography?
There are 4 fundamental Questions in the 5th Chapter of NCERT Solutions for 7th Class Social Science Geography which are of the sort answer momentarily, tick the right response, give reasons, and match the accompanying. NCERT Solutions involves exact and precise responses to this multitude of inquiries. Profoundly experienced mentors at INFINITY LEARN have planned the arrangements according to the CBSE rules to help students hold the points proficiently. Further, every one of the significant points is featured in the answers to help students during their amendments.
2. What is the topic covered in the 5th Chapter of NCERT Solutions for 7th Class Social Science Geography?
The fundamental points that are shrouded in this part are:
Water Cycle
Dissemination of Water Bodies
Sea Circulation
Sea Currents
3. What are sea flows examined in the 5th Chapter of NCERT Solutions for 7th Class Social Science Geography?
The floods of water streaming continually on the sea surface in a distinct way are called sea ebbs and flows. The sea flows might be warm or cold. Students can track down NCERT Solutions for the course reading inquiries of all parts at INFINITY LEARN for nothing in both on the web and disconnected organizations. Subject specialists have made these arrangements as per the most recent CBSE rules to help to pro their last assessments.
