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प्रश्न
What are fluids? Give two examples
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उत्तर
Substances that can flow are called fluids. Both gases and liquids are fluids, e.g. gases (carbon dioxide, hydrogen), liquids (water, petrol and sulphuric acid).
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संबंधित प्रश्न
Compare the properties of solids, liquids and gases in tabular form.
Give reasons:
When a teaspoon of sugar is added to half a glass of water and stirred, the water level in the glass remains unchanged.
To identify materials of common use
Procedure – Just move around in your house – in the drawing room, sitting room, bedroom, kitchen, bathroom etc. Identify the things and All in the blanks in the table given below
| No. | Place | Name of the thing | Material used for making the thing |
| 1 | Study room | ||
| 2 | Drawing room | ||
| 3 | Kitchen | ||
| 4 | bathroom | ||
| 5 | Any other place |
Describe simple experiments to prove that solids occupy space
Describe simple experiments to prove that gases have mass.
See the given pictures and write down the state of each object. (Solid, Liquid, Gas)
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 |
 |
 |
| _____ | ______ | ______ | ______ | ______ |
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 |
 |
 |
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| ______ | _______ | ______ | ______ | ______ |
Which of the following are the states of matter?
A rubber ball changes its shape on pressing. Can it be called a solid?
Identify the state of matter based on the arrangement of the molecules.
The feather and paper cup can float on the water.
