Physics
What is matter? What is it composed of?
Heat Energy
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Answer
A matter is something that has mass, occupies space and can be perceived by our senses. It is composed of tiny particles called molecules.
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Related Questions
Name the three states of matter and distinguish them on the basis of their (i) volume, and (ii) shape
Distinguish between liquid and vapour (or gas) states of matter on the basis of the following factors:
(a) Arrangement of molecules
(b) Inter-molecular separation
(c) Inter-molecular force and
(d) Kinetic energy of molecules
What is evaporation? Explain it on the basis of molecular motion.
Do all the molecules of a liquid take part in evaporation? If not, explain your answer.