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.

http://www.winosandfoodies.com/2008/08/stop-food-waste.html

http://210teenlibrary.wordpress.com/2009/07/01/have-a-fun-safe-july-4/fireworks/