Substances change state when they are heated or cooled.
We call these physical changes because the substances stay the same.
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| Photo by: By M.manary at en.wikibooks [Public domain], from Wikimedia Commons |
Showing posts with label PHYSICAL CHANGES. Show all posts
Showing posts with label PHYSICAL CHANGES. Show all posts
Monday, 9 December 2013
CHANGES OF STATE
Substances change state when they are heated or cooled.
We call these physical changes because the substances stay the same.
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