Class X - EVA

WEEK 1 (16.03.2020--- 22.03.2020)

Topics to be covered:

• Soil profile

• Soil erosion—Causes, effects and strategies to control erosion.

LINKS:

https://youtu.be/ QHyK2M8yiQE

https://you.be/sKdb8rZCfO8

Assignment: 10 marks. (to be submitted by 22.03.2020)

1. Write the significance of each layer of soil. [2]

2. Define sheet erosion and gully erosion. [2]

3. Explain the term tree break. How is it useful? [2]

4. How does erosion affect navigation? [2]

5. What is mulching? [2]

Answers to be typed and mailed to the respective teacher.

bhaswati.mukherjee@dpsn.org.in

WEEK 2 ( 23.03.2020—29.03.2020 )

Topics to be covered:

• Case Study of Auroville

• Tarun Bharat Sangh

AUROVILLE

Auroville City of Dawn) is an experimental township in Viluppuram district mostly in the state of Tamil Nadu, India with some parts in the Union Territory of Puducherry in South India.[3] It was founded in 1968 by Mirra Alfassa (known as "the Mother") and designed by architect Roger AngerAuroville wants to be a universal town where men and women of all countries are able to live in peace and progressive harmony, above all creeds, all politics and all nationalities. The purpose of Auroville is to realize human unity.

A site, approximately 20 square kilometres of barren wasteland, some 10 km north of Pondicherry and 5 km from the coast was chosen for the city.It is equipped with a solar power plant and is surrounded by manicured gardens. When there is no sun or after the sunset, the sunray on the globe is replaced by a beam from a solar-powered light.

Around the City or the urban area, lies a Green Belt which is an environmental research and resource area and includes farms and forestries, a botanical garden, seed bank, medicinal and herbal plants, water catchment bunds, and some communities.

TARUN BHARAT SANGH

Tarun Bharat Sangh (TBS) is a non-profitable environmental NGO; with headquarter in Bheekampura, Alwar, Rajasthan. Dr Rajendra Singh (known as Water man of India) is the incumbent chairman of TBS since 1985. TBS started their work with mobilizing communities around the issue of water, and supporting them in reviving and revitalising the traditional systems of water management through construction of ‘Johads’, ‘Anicut’, and ‘Bands’ for rain water harvesting from shramdan and partly by TBS. TBS has built on existing cultural traditions of the area to revive the feeling of oneness with nature which existed in the village communities and to create an understanding and ethos of integrated ecosystem development.

Assignment: 10 marks ( to be submitted by 29.03.2020)

1. Define Soil management. [2]

2. How is terrace farming important? [2]

3. Write two impacts of soil erosion. [2]

4. State two achievements of TBS. [2]

5. Write two reasons to justify that Auroville is a sustainable city. [2]

Answers to be typed and mailed to the respective teacher.

bhaswati.mukherjee@dpsn.org.in

Lesson Plan Topic: CHAPTER: FUEL WOOD CRISIS

Topics to be covered:

• Wood fuel

• Effect of burning fuel wood on health of rural women

• Environmental impacts of burning fuel wood

• Alternatives to fuel wood and timber

• Causes of deforestation

• Combating deforestation

REFER TO THE ATTACHED PPT.

Assignment: 10 marks. (to be submitted by 04.04.2020)

1) Define fuel wood. [2]

2) Mention two effects of fuel wood on health of rural women. [2]

3) Name any two alternatives of timber used in furniture and building industries. [2]

4) Why is it necessary to save trees? [2]

5) Why is slash and burn method harmful? [2]

Kindly Check the Project details attached and consult your respective teacher regarding the Project topic and work on it.

Answers to be typed and mailed to the respective teacher.

bhaswati.mukherjee@dpsn.org.in

Topics to be covered:

• Causes of air pollination

• Technologies to reduce air pollution

• Strategies to reduce air pollution

• Bubble Theory

• Hybrid vehicles

• Two and four stroke engines.

REFER TO THE ATTACHED PPT.

Assignment: All pending assignments to be completed by the end of this week.

Answers to be typed and mailed to the respective teacher.

bhaswati.mukherjee@dpsn.org.in

CHAPTER: CARING FOR OUR AIR

Topics to be covered:

• Traffic Management

• Technological measures and policies to control air pollution

• Case Study-- Curitiba

REFER TO THE ATTACHED VIDEO.

https://www.youtube.com/watch?v=CIgWDaZeajY

https://www.youtube.com/watch?v=bTsxx1KZwlM

https://youtu.be/78wd0KZ8Ev0

https://youtu.be/zJE4s6dFT3c

https://youtu.be/AcyFY3iAdlw

https://youyu.be/m2Q4W3LCvtg

https://youtu.be/XI8Y2S7MW28

https://youtu.be/cbyQsLBj5Ok

https://www.youtube.com/watch?v=JK6Mb6RdSBI

https://www.youtube.com/watch?v=GvGct_ZQ2ek

https://www.youtube.com/watch?v=xUsGRYtpLDc

Assignment: All pending assignments to be completed by the end of this week.

Answers to be typed and mailed to the respective teacher.

bhaswati.mukherjee@dpsn.org.in