Slideshow

Important Terms

Physical Change - a change that can be reversed easily Chemical Change - a change that is generally not reversible

8df990e5-e333-435c-8f90-7bbb6851312b (image/jpg)

Caption: : Physical Change vs Chemical Change

Physical change vs Chemical change

A physical change: produces no new kind of matter is a reversible type of reaction is not accompanied by great heat change produces no changes in mass

A chemical change: always produces a new kind of matter is generally not reversible is usually accompanied by heat change  produces a change in mass

Examples

3916179e-cbd4-4fe3-ac7d-8ec1976a1fca (image/jpg)

Caption: : Melting of a solid is generally a physical change

14d71f86-8f79-4cb3-80c9-14e359258e38 (image/jpg)

Caption: : Burning of a substance is a chemical change