This worksheet contains basic conceptual questions about Atoms and Atomic Structure. This engaging worksheet is great for science class practice, a quick assessment tool, a quiz, a science station, a homework assignment, morning work, early finishers, bell ringers, or lesson plan supplements. In this worksheet, students will answer questions about the following terms: Atom Neutron Electron Proton Nucleus Model of the Atom History of Atomic Theory Mass Number Atomic number What’s included in th