Chapter 23 of 33
Revision Notes
Temperature, Salinity and Density of Ocean Water — Revision Notes
ICSE · Class 11 · Geography
Temperature, Salinity and Density of Ocean Water revision notes for ICSE Class 11 Geography: 3 topics in quick points.
65 questions38 flashcards5 concepts
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Key Topics to Revise
1
Temperature of Ocean Water
- Ocean water receives energy from the sun and heats up by absorption of heat radiation from the sun.
- Convection of heat through the ocean bottom from the interior of the earth also heats ocean water.
- Ocean water cools by back radiation of heat from the sea surface, convection, and evaporation.
2
Salinity of Ocean Water
- Salinity means the amount of dissolved salts in seawater.
- The salinity is expressed as the number of grams of dissolved salts in 1,000 grams of sea water.
- The average salinity of sea water is about 35 per thousand.
3
Density of Ocean Water
- Density means mass per unit volume.
- Density is measured in grams per cubic centimetre.
- Density of pure water depends on temperature and pressure only.
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Full NotesKey Concepts
Ocean water receives heat fromOcean water is hottest atWarm currents raise ocean temperatureIce floes are drifting broken iceOcean temperature is highest at
Frequently Asked Questions
What are the important topics in Temperature, Salinity and Density of Ocean Water for ICSE Class 11 Geography?
Key topics in Temperature, Salinity and Density of Ocean Water include Temperature of Ocean Water, Salinity of Ocean Water, Density of Ocean Water. Study these first, then practise questions on each for Class 11 exams.
How should I revise Temperature, Salinity and Density of Ocean Water for Class 11 exams?
Learn the core ideas first, then work through the 65 practice questions on Temperature, Salinity and Density of Ocean Water. Revise definitions regularly and use flashcards for quick recall before the exam.
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Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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