Hydrosphere

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Textbook

Additional References

How the topic is discussed in NCERT Books

Useful websites

http://en.wikipedia.org/wiki/Ocean http://en.wikipedia.org/wiki/Pacific Ocean http://en.wikipedia.org/wiki/Atlantic Ocean http://en.wikipedia.org/wiki/Indian Ocean http://en.wikipedia.org/wiki/Southern Ocean http://en.wikipedia.org/wiki/Arctic Ocean

http://en.wikipedia.org/wiki/Tide


Reference Books

A short history of everything by Bill Bryson

Teaching Outlines

Key Idea #1 Water bodies on Earth

The Earth is more than 2/3rd water. Water bodies are of different kinds,constituting the hydrosphere

Learning objectives

Notes for teachers

Activity No #1 using Marble to understand Oceans

  • Estimated Time 1 period
  • Materials/ Resources needed Computer/Laptop with Marble educational tool installed. (Ubuntu Kalpavriksha contains Marble) + Projector to show the class

(In Ubuntu, select Applications - Education - Marble)

  • Prerequisites/Instructions, if any
  • Multimedia resourcesSee video on Oceans, shown on this page.
  • Relevant local connections - people, places and materials
  • Website interactives/ links

Video on ocean depths

  • Process
  1. Demonstrate Oceans on the Marble atlas. Move the earth from west to east to show oceans across the earth.

Discuss about the oceans,their relative sizes, locations etc.

  • What questions can you ask
  1. Why have the different oceans been given their names?
  2. Oceanic depth varies. How deep is the Indian Ocean compared to the Pacific (relatively).How deep is the Indian ocean close to the Southern land mass and further away?
  • Assessments - incorporating elements of CCEThe questions in the question corner test the understanding of the Latitude concept and can form part of CCE*Question Corner

Activity No #

  • Estimated Time
  • Materials/ Resources needed
  • Prerequisites/Instructions, if any
  • Multimedia resources
  • Relevant local connections - people, places and materials
  • Website interactives/ links
  • Process
  • What questions can you ask
  • Assessments - incorporating elements of CCE
  • Question Corner

Key Idea #2 Tides

Learning objectives

Notes for teachers

Activity No #

  • Estimated Time
  • Materials/ Resources needed
  • Prerequisites/Instructions, if any
  • Multimedia resources
  • Relevant local connections - people, places and materials
  • Website interactives/ links
  • Process
  • What questions can you ask
  • Assessments - incorporating elements of CCE
  • Question Corner

Activity No #

  • Estimated Time
  • Materials/ Resources needed
  • Prerequisites/Instructions, if any
  • Multimedia resources
  • Relevant local connections - people, places and materials
  • Website interactives/ links
  • Process
  • What questions can you ask
  • Assessments - incorporating elements of CCE
  • Question Corner


Key Idea #3 Protecting our water bodies

Learning objectives

Notes for teachers

Activity No #

  • Estimated Time
  • Materials/ Resources needed
  • Prerequisites/Instructions, if any
  • Multimedia resources

{https://www.ted.com/talks/jeremy_jackson Ecologist Jeremy Jackson lays out the shocking state of the ocean today]: overfished, overheated, polluted, with indicators that things will get much worse

  • Relevant local connections - people, places and materials
  • Website interactives/ links
  • Process
  • What questions can you ask
  • Assessments - incorporating elements of CCE
  • Question Corner


Activity No #

  • Estimated Time
  • Materials/ Resources needed
  • Prerequisites/Instructions, if any
  • Multimedia resources
  • Relevant local connections - people, places and materials
  • Website interactives/ links
  • Process
  • What questions can you ask
  • Assessments - incorporating elements of CCE
  • Question Corner


Project Ideas

The Government of India has funded thousands of crores for 'cleaning the Ganga'project. Look for newspaper information and also from the Internet on the steps taken for cleaning Ganga. Write a short essay on river pollution in India.

Community Based Project

Plan a digital story telling project on the local water bodies- river or lake or pond or sea shore. Meet people living on the shore/banks and ask their views about the water body and changes over the last several decades. Are people dependant on the water body for their livelihood (fishermen, farmers)?