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प्रश्न
Describe a simple experiment with the help of a diagram to show that Air has mass
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उत्तर
Air has mass
- An inflated balloon is placed on one side of the scale.
Observation: It is seen that the scale moves towards one side. It moves on the side on which the inflated balloon was placed.
Conclusion: Air has mass.
संबंधित प्रश्न
How is greenhouse effect produced?
Fill in the blank:
_____________ discovered the oxygen gas.
Give two uses of the following component present in air:
nitrogen
Give two uses of the following component present in air:
carbon dioxide
Define rusting?
Tick (√) the correct alternative from the choice given for the following statement.
Photosynthesis is a process in which plants
State what do you understand by the term ‘air’. Explain its importance to mankind.
______ is important for all living creatures.
Match the following:
| 1. | Layer of air | a. | Hand fan |
| 2. | Electrical energy | b. | 21% |
| 3. | Nitrogen | c. | Windmill |
| 4. | Oxygen | d. | Atmosphere |
| 5. | Palm Trees | e. | 78% |
Match the items of Column I with the items of Column II
| Column I | Column II | ||
| (a) | Weather cock | (i) | Gases and fine dust particles |
| (b) | Mountaineers | (ii) | Sailing yacht |
| (c) | Fine hair inside the nose | (iii) | Oxygen cylinders |
| (d) | Smoke | (iv) | Direction of air flow |
| (e) | Wind | (v) | Prevent dust particles |
