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Temperature, Salinity and Density of Ocean Water — Syllabus

ICSE · Class 11 · Geography

What Temperature, Salinity and Density of Ocean Water covers in ICSE Class 11 Geography: 3 topics, for the 2026-27 session.

65 questions38 flashcards5 concepts

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3 Topics · ICSE Class 11 Geography · 2026-27

Topics in Temperature, Salinity and Density of Ocean Water

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.

Key Concepts

Central concept: Ocean water properties and their controls

Temperature of ocean waterSalinity of ocean waterDensity of ocean waterFactors controlling ocean temperatureFactors controlling salinityFactors controlling densitySpecial ocean and sea examplesIce forms in the ocean

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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.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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