5.5.1 Have you ever seen an atom?
We all know about atoms... right? But have you ever seen one? What is the evidence that they exist? Inquiry questions Conceptual: How can we know what an atom is like? Disciplinary concepts evidence Everyone has heard of atoms. But have you ever seen one? As physicists (and as thinkers!) we should always require evidence for what we are told - critical thinking is a key approach to learning. As you saw at the...