Difference between revisions of "Chemical Reaction"
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*[[Combustion|Burning]] | *[[Combustion|Burning]] | ||
*[[Vinegar and Bicarbonate of Soda|Adding Bicarbonate of Soda to Vinegar]]. | *[[Vinegar and Bicarbonate of Soda|Adding Bicarbonate of Soda to Vinegar]]. | ||
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| + | ==Key Stage 3== | ||
| + | ===Meaning=== | ||
| + | A [[Chemical Reaction]] is when the [[atom]]s in [[molecule]]s break their [[Chemical Bond|bonds]] and form new [[Chemical Bond|bonds]], usually with other [[atom]]s. | ||
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| + | ===About Chemical Reactions=== | ||
Revision as of 16:22, 23 September 2018
Contents
Key Stage 2
Meaning
A chemical reaction is when one substance changes into another.
About Chemical Reactions
- Most chemical reactions are irreversible.
- Chemical reactions usually cause a change in temperature.
- Chemical reactions you should know are:
Key Stage 3
Meaning
A Chemical Reaction is when the atoms in molecules break their bonds and form new bonds, usually with other atoms.