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ICSE Solutions for Class 9 Geography – Humidity

Exercises I. Short Answer Questions. Question 1.Define the following terms : (a) Precipitation(b) Evaporation(c) Condensation(d) Humidity(e) Latent heat. Answer: (a) Precipitation — It is process by which condensation in different forms falling on the ground e.g. rainfall, snowfall, drizzle, sleet and hail etc.(b) Evaporation — It is the process of converting water into water droplets […]

ICSE Solutions for Class 9 Geography – Composition and Structure of the Atmosphere

Exercises I. Short Answer Questions. Question 1.What is known as atmosphere ?Answer:The blanket of air upto 1500 km surrounding the earth is known as atmosphere. Question 2. State the gaseous composition of the atmosphere.Answer:The atmosphere consists of 78% Nitrogen 21% oxygen and 1% other gases. Question 3.Mention any three functions of the atmosphere.Answer: Air has […]

ICSE Solutions for Class 9 Geography – Weathering

Exercises I. Short Answer Questions. Question 1.What is weathering ?Answer:Weathering involves disintegration or decay of solid rock due to change in temperature and weather and their impact on the composition of rock. Question 2.Give one point of difference between physical and chemical weathering.Answer:Physical weathering does disintegration of rock without chemical reaction and the chemical weathering […]

ICSE Solutions for Class 9 Geography – Rocks

Exercises I. Short Answer Questions Question 1.State two points of distinction between rocks and minerals.Answer:Rocks : Rocks contain minerals. Rocks are the aggregates of minerals and other rock material. Minerals : Minerals do not contain rocks. Mineral are the compounds of pure elements with a definite chemical Composition. Question 2.Name any three elements of the […]