83 Atom Lesson . Science >> chemistry for kids. Content standards physical science (5th grade) elements and their combinations account for all the varied types of … This activity compliments the teacher's lesson on the atom. Jan 07, 2020 · this lesson will introduce you to the atom, which is the smallest building block of everything in our universe. Atom, elements, compounds, ion, nucleus, proton, neutron, electron, isotope, pure, stable, atomic number, atomic mass, orbital, electron cloud, covalent bond, ionic bond.instruct students to add the term, isotope to their vocabulary map as is the practice for new terms that contain latin or greek root words, prefixes or.