Nikki Mitchell
Physical and chemical changes
Physical changes
The physical property of a substance change,but the identity of the substance does not change.
http://learningideasgradesk-8.blogspot.com/2011/04/physical-and-chemical-changes-of-matter.ht
http://www.chemistryland.com/CHM130FieldLab/Lab4/Lab4.html
Chemical change
A change in the identity of a substance due to the change in chemical properties of a substance.