Answers

2014-06-30T18:54:16+08:00
When things heat up, their temperatures change.  Since the particles of solids are compacted, solids easily heat up, especially metals since they are good conductors. Liquids also heat up, but not as quick as solids. Gases, as well heat up, but not as quick as liquids.

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2014-06-30T21:14:16+08:00
Expands and Shrink.........

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