Chemical Reactions

By Brett

Physical Changes

They are changes that affect the chemical form of the substance. They can be used to split mixtures into elements.

Examples- Freezing, Melting, Evaporation, ect.

Chemical Change

Any change that results in the creation of a new chemical substance. It involves the making or breaking the bonds of atoms.

Examples- Rust, Burned, Cooked, ect.


The cause of a substance to be deposited in solid form from a solution.

Example- Hail


A reaction that is accompanied by the release of heat.

Example- Fire


A reaction accompanied by the absorption of heat.

Example- Plants