What is the difference between a physical change and a chemical change?
Two Kinds of Magic
What is the difference between a physical change and a chemical change?
Matter is always up to something. Sometimes it just rearranges the furniture, and sometimes it becomes a whole new thing entirely. Those are the two kinds of change in the universe — physical and chemical — and once you can tell them apart, the world starts whispering its secrets to you.
Let's start with the gentle kind. A physical change shifts how something looks or feels, but the actual stuff stays the same stuff underneath. Tear paper, melt ice, snap a chocolate bar — you've rearranged it, not reinvented it.
