Chemistry
Write your observation and conclusion for the following:
(a) A few marbles are put in a glass half filled with water.
(b) Ice is kept at room temperature.
Matter
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Answer
(a) Observation — When a few marbles are put in a glass half-filled with water, the water level rises.
Conclusion — Marbles occupy space. This shows that matter occupies space.
(b) Observation — When ice is kept at room temperature, it changes into water.
Conclusion — Ice absorbs heat from the surroundings and melts. This shows that a solid can change into a liquid on heating.
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