Breathing and gas exchange. Science CBSE, Class 7: lessons, tests, tasks.

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1.	Respiration and its need
2.	The two types of respiration
3.	Breathing and breathing rate
4.	The process of breathing in humans
5.	Exchange of gases
6.	Mechanism of breathing
7.	What do we breathe out?
8.	The process of breathing in animals
9.	The process of respiration in plants
10.	Mind map

1.	Aerobic and anaerobic respiration Difficulty: easy	2
2.	Terms related to the process of breathing in humans Difficulty: easy	2
3.	Respiration in humans and other animals Difficulty: easy	3
4.	Plants and respiration Difficulty: easy	3
5.	Respiration and its types Difficulty: medium	4
6.	Cellular respiration in plants Difficulty: medium	4
7.	NCERT objective type questions Difficulty: medium	4
8.	Elements of respiration Difficulty: medium	4
9.	Analyse the sentences related to the process of respiration Difficulty: medium	4
10.	Identify the respiratory structures of plants and cockroaches Difficulty: medium	4
11.	Recalling respiration Difficulty: medium	4
12.	Choose the right terms of respiration Difficulty: medium	4
13.	Rearrange the letters related to respiration Difficulty: medium	3
14.	Pair the terms related to respiration correctly Difficulty: hard	5

1.	Traning test 1 Difficulty: easy	10
2.	Training test 2 Difficulty: medium	10

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Methodical recommendation

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