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classifying substances - Coggle Diagram
classifying substances
solid
a solid does not flow
has a fixed shape
eg, chair , table , laptop
cannot be compressed
liquid
liquids flow
no fixed shape
eg water, juice,
cannot be compressed
gass
gas flows
no fixed shape
eg , carbon dioxide, oxygen
can be compressed
physical change: is when matter changes state or shape but no new substance is formed
chemical change : when a new substance is formed due to a chemical reaction
the law of conservation of mass: states that matter cannot be destroyed or created , it can only change form
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