If you ever go to a conference for science teachers, you'll see a lot of teachers wearing t-shirts with this famous science joke on them. Knowing what you know about atoms, explain what they mean when they say that atoms "make up everything".
This is more of a science question than social studies, but atoms make up everything is a common joke and what they mean is that atoms make up everything quite literally. "Yes, all things are made of atoms, " - source online