Physical and chemical change Science Quiz For Kids, 1st, 2nd & 3rd Grades. A physical change is one that does not lead to the formation of a new compound while a chemical change is one that leads to the formation of a new compound. For example if you burn a piece of paper, that is an example of a chemical change because charcoal is formed. Chemical changes are not reversible while physical changes can be. Examples of phyisical changes include cutting an orange, melting of ice, bending of a metal rod. In this interactive test, students will learn to differentiate between different changes. Click and start practicing.