Burning wood is a chemical change, because it requires oxygen to complete the reaction and you are left with separate chemicals when you are finished.
chemical change
A physical change occurs.
a chemical change
This physical change is called freezing.
the type of equilibrium that occurs when an allele frequencies do not change is dynamic equilibrium :)
chemical change
What type of change occurs when water changes from a solid to a liquid
chemical change
A physical change occurs.
A physical change occurs.
a chemical change
It's burning.
Chemical change
Roaming
f4g
The process of changing into entirely new substances.
chemical change