• Toyna

    Physical Change vs. Chemical Change

    . Teaching Science to a nine year old can make you learn some deep lessons yourself. We spoke about matter today and the fact that it is made up of molecules. We also discussed the various states of matter namely solid, liquid and gas. We then talked about the difference between physical change and chemical change of matter. Physical change is defined as a change in matter, where only its physical form changes but the molecules remain the same. For example, cutting a paper into two pieces. Chemical change on the other hand, is a change where the molecules of the matter themselves change. For example, burning the paper makes it into…