Curated OER
Calculating the Number of Sub-Atomic Particles in an Atom
In this atoms worksheet, students compare the position, relative charge and relative mass of sub-atomic particles. Students define mass number and atomic number. This worksheet has 2 graphic organizers and 4 short answer questions.
NASA
Dawn Mission: Education: Structure and Properties of Matter: Ion Propulsion
Student groups explore propulsion technology necessary for the Dawn project to complete its mission. Learning module components include story mapping, online interactive activity, RAFT writing exercise, and other standards-aligned...