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chemical change
Definition
A chemical change is when something changes into a new substance.
For example, when you burn wood, it changes into ash. The wood is no longer wood, it is ash.
How can the word be used?
The chemical change that occurs when iron rusts is a familiar example of a chemical change.
Different forms of the word
Noun:
Singular: chemical change.
Plural: chemical changes.
Adjective:
Chemical: relating to chemistry.
Chemical change: a change in the composition of a substance.
Verb:
Change: to make or become different.
Chemically change: to change the composition of a substance through a chemical reaction.
Etymology
The word "chemical change" comes from the words "chemical" and "change". The word "chemical" comes from the Greek word "khēmikós", which means "of or relating to alchemy". Alchemy was a medieval practice that attempted to transform base metals into gold. The word "change" comes from the Old English word "ceap", which means "to barter".
Question
Provide three examples of objects going through a chemical chance.