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Sometimes, matter can change forms or change into something completely new.
Sometimes, matter can change forms or change into something completely new.
Scientists describe this change in two ways:
Scientists describe this change in two ways:
Some physical changes can be reversed utilizing special techniques. For example, mixtures can be separated using 6 different techniques
Some physical changes can be reversed utilizing special techniques. For example, mixtures can be separated using 6 different techniques
Often times, we are able to tell whether or not a chemical change has happened.
Often times, we are able to tell whether or not a chemical change has happened.
SIGNS OF A CHEMICAL CHANGE:
SIGNS OF A CHEMICAL CHANGE:
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