Q 10. What happens to particles when they are heated? *
1 point
(a) They speed up and spread out
(b) They slow down and compress
(c) They stop moving
(d) They move closer together and speed up
Answers
Answered by
1
Explanation:
when an object is heated the motion of the particles increases as the particles became more energetic if it is cooled the motion of particles decrease as they lose energy
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Answered by
2
Answer :-
option (a) They speed up and spread out.
Explanation :-
When a solid is heated, the particles gain sufficient energy to break away from one another and move past each other. The change from solid to liquid is called melting or fusion.
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