WBSED - 7 - Science :: Environmental crisis, causes and its protection

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[Contributor - Rijuta Ghosh]

Objectives: To teach the students about climatic changes, Decrease in Biodiversity count, threat to mankind and health due to waste accumulation, and role of Trees in enviornmental protection.

Subtopics to be covered:

1. Climatic changes and its effects
2. Atmosphere and ozone depletion
3. Bio diversity - Importance and its threat
4. Threats to human life due to waste - various diseases
5. Importance of trees in protection of environment and how they help.

Learning Outcome:

1. Students will get to know about the causes and effects of climatic changes
2. Students get to know about the threats and risk to enviornment due to this changes.
3. Students will get to learn about biodiversity loss, and why we should protect it.

[Author - Kripa S]

http://www.wbsed.gov.in/wbsed/readwrite/etextbook/General%20Science%20Class%20VII.pdf#page=237 (Bengali Medium)

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