Paper Chromatography: These colors DO run part of MnSTEP Teaching Activity Collection:MnSTEP Activity Mini-collection
This activity is a guided inquiry where students investigate the colors contained within a single marker color and interpret what this means about the sizes of the molecules.

Tic Tac Toe - Pick 3 in a Row Atomic Model Assignment part of MnSTEP Teaching Activity Collection:MnSTEP Activity Mini-collection
This activity is a summary/assessment assignment which allows for differentiation and student choice. Students are assessed in their knowledge of the atomic model and the arrangement of elements on the periodic table.