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Chapter 23 of 33
Syllabus

Temperature, Salinity and Density of Ocean Water

ICSE · Class 11 · Geography

Complete topic list for Temperature, Salinity and Density of Ocean Water in ICSE Class 11 Geography. Key concepts, sub-topics, and what to focus on for board exams.

65 questions38 flashcards5 concepts

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3 Topics · ICSE Class 11 Geography

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

Frequently Asked Questions

What are the important topics in Temperature, Salinity and Density of Ocean Water for ICSE Class 11 Geography?
Temperature, Salinity and Density of Ocean Water covers several key topics that are frequently asked in ICSE Class 11 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Temperature, Salinity and Density of Ocean Water — ICSE Class 11 Geography?
Understand the core concepts first, then work through the 65 practice questions available for this chapter. Revise formulas and 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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