Mental models for scientific learning are important cognitive tools that students use to not only take in new information, but to help problem solve in new contexts. If conceptual parts are inaccurate ...

Niels Bohr’s model of the atom includes electrons in discrete energy levels. This worksheets allows students to understand electron excitation and relaxation. I have included exam questions with ...

"A complete, ready-to-teach lesson for Unit 1 (Principles and Applications of Science I), chemistry section: sub-atomic particles, electron shells and the evidence from line spectra. Learning ...