CBSE Class 6 Science Oxygen
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Importance of Oxygen
This video describes the importance of oxygen for living beings.
- What is the importance of oxygen gas dissolve in water
- What will happen if oxygen on earth stop for 5 seconds
- Why do you think, mountaineers carry oxygen cylinders with them, while climbing high mountains?
- Why do sea divers carry oxygen gas cylinders along with them when going deep into water?
- Why earthworms come out of the soil only during heavy rains?
- With the help of an activity, show that water contains dissolved air in it.
- How is oxygen refilled in the atmosphere?
- What if the percentage of oxygen in the air reaches to 70%?
- Write some important uses of oxygen.
- How do the organisms that live in soil get the air they need, for respiration?