Curated OER
Atoms
In this atoms worksheet, high schoolers circle the term in parentheses that makes the 20 statements correct. The statements review the parts of an atom, isotopes, and basic matter principles.
Curated OER
Elements
In this elements activity, students determine the atomic number, mass, number, electrons, protons, and neutrons for elements. Students review the electromagnetic spectrum. This activity has 1 graphic organizer and 13 multiple choice...