scsvshsstclass5e(20.5) part 4
REALMS OF THE EARTH PART-4
Good Morning boys
Hope you are completing all your written work. Today we are going to learn about the next 'Realm of the earth- Atmosphere'
By the end of the lesson, you will be able to
Hope you are completing all your written work. Today we are going to learn about the next 'Realm of the earth- Atmosphere'
By the end of the lesson, you will be able to
- define atmosphere
- name the layers of atmosphere
- state the importance of this realm of the earth
Atmosphere is the realm of air. It is a mixture of gases. It includes nitrogen, oxygen, carbon dioxide, water vapour and various other gases. It protects us from the harmful rays of the sun.
The layers of the atmosphere are: TROPOSPHERE, STRATOSPHERE, MESOSPHERE, IONOSPHERE, EXOSPHERE
IMPORTANCE OF ATMOSPHERE
- Atmosphere supports life on earth.
- We breathe oxygen present in the atmosphere.
- Carbon dioxide enables plants to prepare food.
- Nitrogen, which comprises nearly 78 percent of the atmosphere, makes our soil fertile.
Air is essential for our survival and we must prevent its pollution.
Time for some written work. Now take out your S.St notebooks and write down these question answers:
Q. Name the layers of atmosphere in the order of their occurrence, starting from lowest to highest.
Ans The layers of atmosphere are- Troposphere, Stratosphere, Mesosphere, Ionosphere and Exosphere.
Q. Explain the importance of the atmosphere.
Ans IMPORTANCE OF ATMOSPHERE
Time for some written work. Now take out your S.St notebooks and write down these question answers:
Q. Name the layers of atmosphere in the order of their occurrence, starting from lowest to highest.
Ans The layers of atmosphere are- Troposphere, Stratosphere, Mesosphere, Ionosphere and Exosphere.
Q. Explain the importance of the atmosphere.
Ans IMPORTANCE OF ATMOSPHERE
- Atmosphere supports life on earth.
- Carbon dioxide enables plants to prepare food.
- Nitrogen, which comprises nearly 79 percent of the atmosphere, makes our soil fertile.
So that's all for today. Revise today's work. Take care!
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