ICSE Class 9 Geography | 3. Hydrosphere by Pavan | Learn Smarter
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Knowledge
3. Hydrosphere

The hydrosphere encompasses all water on Earth, which is crucial for life and climate regulation. The distribution of water reveals that a vast majority is found in oceans and only a small fraction is available for human use. Understanding the water cycle, ocean characteristics, movements of ocean water, and the importance of the hydrosphere highlights its role in environmental and economic systems.

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Sections

  • 3

    Hydrosphere

    The Hydrosphere encompasses all the water on Earth, playing a crucial role in sustaining life and regulating climate.

    Learning Practice

  • 3.1

    Introduction

    The Hydrosphere encompasses all water on Earth, crucial for sustaining life and influencing climate.

    Learning Practice

  • 3.2

    Distribution Of Water On Earth

    The section outlines the distribution of water on Earth, highlighting that the majority of water is found in oceans, with a small percentage available as freshwater.

    Learning Practice

  • 3.3

    The Water Cycle

    The Water Cycle describes the continuous movement of water through evaporation, condensation, precipitation, collection, and runoff.

    Learning Practice

  • 3.4

    Oceans

    Oceans cover 71% of Earth's surface and play a crucial role in Earth's hydrosphere.

    Learning Practice

  • 3.5

    Ocean Salinity

    Ocean salinity is the measure of the salt concentration in ocean water, primarily influenced by factors such as evaporation and freshwater inflow.

    Learning Practice

  • 3.6

    Movements Of Ocean Water

    This section describes the three primary movements of ocean water: waves, tides, and ocean currents, explaining their causes and effects.

    Learning Practice

  • 3.7

    Importance Of The Hydrosphere

    The hydrosphere is crucial for sustaining life, regulating climate, and supporting various human activities.

    Learning Practice

References

g9-3.pdf

Class Notes

Memorization

What we have learnt

  • The hydrosphere consists of...
  • Only a tiny percentage of E...
  • The water cycle describes t...

Final Test

Revision Tests