ICSE Class 7 Geography, Unit 2: Atmosphere
From the CISCE curriculum. 7 key concepts, about 3 days of study at 20 to 30 minutes a day.
What this unit aims at
This theme aims at enabling children to understand the importance and composition of gases found in the atmosphere. Children will also be made aware and sensitised towards global warming and its impact on humans.
Your child should be able to
- describe the importance of gases that comprise the atmosphere
- describe the composition of different gases in the atmosphere
- highlight importance of layers of atmosphere to sustain life on the earth
- draw diagram to show the structure of atmosphere
- discuss causes for global warming and ways to reduce it
- understand the impact of global warming on life on earth
- analyse the reasons for the depletion of the ozone layer and suggest ways to reduce it
Key concepts in this unit
- Introduction Composition of the Atmosphere
- Structure of the Atmosphere (brief description of Troposphere, Stratosphere (ozone layer), Thermosphere, Mesosphere, Exosphere).
- Green House Effect: meaning and causes.
- Global warming:
- Introduction Causes of ozone depletion (Greenhouse gases, deforestation, burning of fossil fuels);
- Impact of global warming (Melting of Ice caps & sea level rise, changing patterns of distribution of precipitation and temperature, etc.)
- Ways to reduce global warming (in general).
Teach this unit at home
- A day-by-day plan from the CISCE concepts, so you know what to cover each day.
- A step-by-step script for each day, so you know what to say and ask (AI-written from the CISCE curriculum, so check it against your child's school book).
- A quiz at the end.
From the CISCE Curriculum for Classes I to VIII (2016). CISCE sets what is taught, not the textbooks, so schools use different books and there are no page numbers here. Adhian Gurus is not affiliated with CISCE.